1 | /* $Id: libmondo-raid.c 1252 2007-03-20 10:48:46Z bruno $
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2 | subroutines for handling RAID
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3 | */
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4 |
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5 |
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6 | /**
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7 | * @file
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8 | * Functions for handling RAID (especially during restore).
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9 | */
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10 |
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11 | #include "my-stuff.h"
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12 | #include "mr_str.h"
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13 | #include "mr_mem.h"
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14 | #include "mr_msg.h"
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15 |
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16 | #include "mondostructures.h"
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17 | #include "newt-specific-EXT.h"
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18 | #include "libmondo-files-EXT.h"
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19 | #include "libmondo-tools-EXT.h"
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20 | #include "libmondo-string-EXT.h"
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21 | #include "libmondo-raid.h"
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22 |
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23 | #ifdef __FreeBSD__
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24 | /* Nonstandard library functions: */
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25 | extern void errx(int exitval, const char *fmt, ...);
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26 | extern char *strsep(char **stringp, const char *delim);
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27 | #endif
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28 |
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29 | /*@unused@*/
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30 | //static char cvsid[] = "$Id: libmondo-raid.c 1252 2007-03-20 10:48:46Z bruno $";
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31 |
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32 |
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33 | /**
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34 | * @addtogroup raidGroup
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35 | * @{
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36 | */
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37 | /**
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38 | * See if a particular RAID level is supported by the kernel.
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39 | * @param raidno The RAID level (-1 through 5) to check. -1 means "linear" under Linux and
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40 | * "concatenated" under FreeBSD. It's really the same thing, just different wording.
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41 | * @return TRUE if it's supported, FALSE if not.
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42 | */
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43 | bool is_this_raid_personality_registered(int raidno)
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44 | {
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45 | #ifdef __FreeBSD__
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46 | return ((raidno == -1) || (raidno == 0) || (raidno == 1)
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47 | || (raidno == 5)) ? TRUE : FALSE;
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48 | #else
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49 | /*@ buffer ********************************************************** */
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50 | char *command = NULL;
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51 | int res = 0;
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52 |
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53 | if (raidno == -1) {
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54 | mr_asprintf(&command,
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55 | "grep \"linear\" %s > /dev/null 2> /dev/null", MDSTAT_FILE);
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56 | } else {
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57 | mr_asprintf(&command,
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58 | "grep \"raid%d\" %s > /dev/null 2> /dev/null",
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59 | raidno, MDSTAT_FILE);
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60 | }
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61 | log_it("Is raid %d registered? Command = '%s'", raidno, command);
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62 | res = system(command);
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63 | mr_free(command);
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64 | if (res) {
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65 | return (FALSE);
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66 | } else {
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67 | return (TRUE);
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68 | }
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69 | #endif
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70 | }
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71 |
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72 |
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73 | /**
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74 | * Search for @p device in @p disklist.
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75 | * @param disklist The disklist to search in.
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76 | * @param device The device to search for.
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77 | * @return The index number of @p device, or -1 if it does not exist.
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78 | */
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79 | int
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80 | where_in_drivelist_is_drive(struct list_of_disks *disklist, char *device)
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81 | {
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82 |
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83 | /*@ int ************************************************************* */
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84 | int i = 0;
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85 |
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86 | assert(disklist != NULL);
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87 | assert_string_is_neither_NULL_nor_zerolength(device);
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88 |
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89 | for (i = 0; i < disklist->entries; i++) {
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90 | if (!strcmp(disklist->el[i].device, device)) {
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91 | break;
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92 | }
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93 | }
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94 | if (i == disklist->entries) {
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95 | return (-1);
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96 | } else {
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97 | return (i);
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98 | }
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99 | }
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100 |
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101 | /**
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102 | * Determine which RAID device is using a particular partition.
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103 | * @param raidlist The RAID information structure.
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104 | * @param device The partition to find out about.
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105 | * @return The index number of the RAID device using @p device, or -1 if there is none.
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106 | */
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107 | int
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108 | which_raid_device_is_using_this_partition(struct raidlist_itself *raidlist,
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109 | char *device)
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110 | {
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111 | #ifdef __FreeBSD__
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112 | // FreeBSD-specific version of which_raid_device_is_using_this_partition()
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113 | /*@ int ********************************************************* */
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114 | int i = 0;
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115 |
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116 | for (i = 0; i < raidlist->entries; i++) {
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117 | bool thisone = FALSE;
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118 | int j, k, l;
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119 |
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120 | for (j = 0; j < raidlist->el[i].plexes; ++j) {
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121 | for (k = 0; k < raidlist->el[i].plex[j].subdisks; ++k) {
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122 | for (l = 0; l < raidlist->disks.entries; ++l) {
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123 | if (!strcmp(raidlist->disks.el[l].device,
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124 | device) &&
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125 | !strcmp(raidlist->el[i].plex[j].sd[k].which_device,
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126 | raidlist->disks.el[l].name))
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127 | thisone = TRUE;
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128 | }
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129 | }
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130 | }
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131 |
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132 | if (thisone) {
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133 | break;
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134 | }
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135 | }
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136 | if (i == raidlist->entries) {
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137 | return (-1);
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138 | } else {
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139 | return (i);
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140 | }
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141 | }
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142 |
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143 | #else
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144 | // Linux-specific version of which_raid_device_is_using_this_partition()
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145 | // and one other function which FreeBSD doesn't use
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146 |
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147 | int current_raiddev = 0;
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148 |
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149 | assert_string_is_neither_NULL_nor_zerolength(device);
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150 | assert(raidlist != NULL);
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151 |
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152 | for (current_raiddev = 0; current_raiddev < raidlist->entries;
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153 | current_raiddev++) {
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154 | if (where_in_drivelist_is_drive
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155 | (&raidlist->el[current_raiddev].data_disks, device) >= 0
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156 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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157 | spare_disks, device) >= 0
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158 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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159 | parity_disks, device) >= 0
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160 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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161 | failed_disks, device) >= 0) {
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162 | break;
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163 | }
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164 | }
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165 | if (current_raiddev == raidlist->entries) {
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166 | return (-1);
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167 | } else {
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168 | return (current_raiddev);
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169 | }
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170 | }
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171 |
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172 | /**
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173 | * Write an @c int variable to a list of RAID variables.
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174 | * @param raidrec The RAID device record to write to.
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175 | * @param lino The variable index number to modify/create.
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176 | * @param label The label to write.
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177 | * @param value The value to write.
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178 | */
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179 | void
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180 | write_variableINT_to_raid_var_line(struct raid_device_record *raidrec,
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181 | int lino, char *label, int value)
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182 | {
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183 | /*@ buffers ***************************************************** */
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184 | char *sz_value = NULL;
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185 |
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186 | assert(raidrec != NULL);
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187 | assert(label != NULL);
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188 |
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189 | mr_asprintf(&sz_value, "%d", value);
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190 | strcpy(raidrec->additional_vars.el[lino].label, label);
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191 | strcpy(raidrec->additional_vars.el[lino].value, sz_value);
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192 | mr_free(sz_value);
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193 | }
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194 | #endif
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195 |
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196 | #ifdef __FreeBSD__
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197 | /**
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198 | * Add a disk to a RAID plex.
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199 | * @param p The plex to add the device to.
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200 | * @param device_to_add The device to add to @p p.
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201 | */
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202 | void add_disk_to_raid_device(struct vinum_plex *p, char *device_to_add)
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203 | {
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204 | strcpy(p->sd[p->subdisks].which_device, device_to_add);
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205 | ++p->subdisks;
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206 |
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207 | }
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208 | #else
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209 | /**
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210 | * Add a disk to a RAID device.
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211 | * @param disklist The disklist to add the device to.
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212 | * @param device_to_add The device to add to @p disklist.
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213 | * @param index The index number of the disklist entry we're creating.
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214 | */
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215 | void add_disk_to_raid_device(struct list_of_disks *disklist,
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216 | char *device_to_add, int idx)
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217 | {
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218 | int items;
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219 |
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220 | assert(disklist != NULL);
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221 | assert_string_is_neither_NULL_nor_zerolength(device_to_add);
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222 | items = disklist->entries;
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223 | strcpy(disklist->el[items].device, device_to_add);
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224 | disklist->el[items].index = idx;
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225 | items++;
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226 | disklist->entries = items;
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227 | }
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228 | #endif
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229 |
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230 |
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231 | /**
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232 | * Save the additional RAID variables to a stream.
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233 | * @param vars The RAID variable list to save.
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234 | * @param fout The FILE pointer to save them to.
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235 | */
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236 | void
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237 | save_additional_vars_to_file(struct additional_raid_variables *vars,
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238 | FILE * fout)
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239 | {
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240 | int i;
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241 |
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242 | assert(vars != NULL);
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243 | assert(fout != NULL);
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244 |
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245 | for (i = 0; i < vars->entries; i++) {
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246 | fprintf(fout, " %-21s %s\n", vars->el[i].label,
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247 | vars->el[i].value);
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248 | }
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249 | }
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250 |
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251 |
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252 | /**
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253 | * Save a raidlist structure to disk in raidtab format.
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254 | * @param raidlist The raidlist to save.
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255 | * @param fname The file to save it to.
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256 | * @return 0, always.
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257 | * @bug Return value is redundant.
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258 | */
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259 | int save_raidlist_to_raidtab(struct raidlist_itself *raidlist, char *fname)
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260 | {
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261 | FILE *fout;
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262 | int current_raid_device;
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263 | #ifdef __FreeBSD__
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264 | int i;
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265 | #else
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266 | // Linux
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267 | #endif
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268 |
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269 | assert(raidlist != NULL);
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270 | assert_string_is_neither_NULL_nor_zerolength(fname);
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271 |
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272 | if (raidlist->entries <= 0) {
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273 | unlink(fname);
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274 | log_it("Deleting raidtab (no RAID devs anyway)");
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275 | return (0);
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276 | }
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277 | if (!(fout = fopen(fname, "w"))) {
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278 | log_OS_error("Failed to save raidlist");
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279 | return (1);
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280 | }
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281 | fprintf(fout, "# Generated by Mondo Rescue\n");
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282 |
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283 | #ifdef __FreeBSD__
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284 | for (i = 0; i < raidlist->disks.entries; ++i) {
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285 | fprintf(fout, "drive %s device %s\n", raidlist->disks.el[i].name,
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286 | raidlist->disks.el[i].device);
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287 | }
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288 | for (i = 0; i < (raidlist->spares.entries); ++i) {
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289 | fprintf(fout, "drive %s device %s hotspare\n",
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290 | raidlist->spares.el[i].name,
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291 | raidlist->spares.el[i].device);
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292 | }
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293 | #endif
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294 |
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295 | for (current_raid_device = 0; current_raid_device < raidlist->entries;
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296 | current_raid_device++) {
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297 | save_raidrec_to_file(&raidlist->el[current_raid_device], fout);
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298 | }
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299 | paranoid_fclose(fout);
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300 | return (0);
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301 | }
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302 |
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303 |
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304 | /**
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305 | * Save an individual RAID device record to a stream.
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306 | * @param raidrec The RAID device record to save.
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307 | * @param fout The stream to save it to.
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308 | */
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309 | void save_raidrec_to_file(struct
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310 | #ifdef __FreeBSD__
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311 | vinum_volume
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312 | #else
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313 | raid_device_record
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314 | #endif
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315 | * raidrec, FILE * fout)
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316 | {
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317 | #ifdef __FreeBSD__
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318 | int i, j;
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319 | char *org = NULL;
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320 |
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321 | fprintf(fout, "\nvolume %s\n", raidrec->volname);
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322 | for (i = 0; i < raidrec->plexes; ++i) {
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323 | switch (raidrec->plex[i].raidlevel) {
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324 | case -1:
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325 | mr_asprintf(&org, "concat");
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326 | break;
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327 | case 0:
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328 | mr_asprintf(&org, "striped");
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329 | break;
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330 | case 5:
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331 | mr_asprintf(&org, "raid5");
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332 | break;
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333 | }
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334 | fprintf(fout, " plex org %s", org);
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335 | mr_free(org);
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336 |
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337 | if (raidrec->plex[i].raidlevel != -1) {
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338 | fprintf(fout, " %ik", raidrec->plex[i].stripesize);
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339 | }
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340 | fprintf(fout, "\n");
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341 |
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342 | for (j = 0; j < raidrec->plex[i].subdisks; ++j) {
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343 | fprintf(fout, " sd drive %s size 0\n",
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344 | raidrec->plex[i].sd[j].which_device);
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345 | }
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346 | }
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347 | #else
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348 | assert(raidrec != NULL);
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349 | assert(fout != NULL);
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350 |
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351 | fprintf(fout, "raiddev %s\n", raidrec->raid_device);
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352 | if (raidrec->raid_level == -2) {
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353 | fprintf(fout, " raid-level multipath\n");
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354 | } else if (raidrec->raid_level == -1) {
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355 | fprintf(fout, " raid-level linear\n");
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356 | } else {
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357 | fprintf(fout, " raid-level %d\n",
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358 | raidrec->raid_level);
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359 | }
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360 | fprintf(fout, " nr-raid-disks %d\n",
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361 | raidrec->data_disks.entries);
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362 | if (raidrec->spare_disks.entries > 0) {
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363 | fprintf(fout, " nr-spare-disks %d\n",
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364 | raidrec->spare_disks.entries);
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365 | }
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366 | if (raidrec->parity_disks.entries > 0) {
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367 | fprintf(fout, " nr-parity-disks %d\n",
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368 | raidrec->parity_disks.entries);
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369 | }
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370 | fprintf(fout, " persistent-superblock %d\n",
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371 | raidrec->persistent_superblock);
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372 | if (raidrec->chunk_size > -1) {
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373 | fprintf(fout, " chunk-size %d\n", raidrec->chunk_size);
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374 | }
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375 | if (raidrec->parity > -1) {
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376 | switch(raidrec->parity) {
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377 | case 0:
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378 | fprintf(fout, " parity-algorithm left-asymmetric\n");
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379 | break;
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380 | case 1:
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381 | fprintf(fout, " parity-algorithm right-asymmetric\n");
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382 | break;
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383 | case 2:
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384 | fprintf(fout, " parity-algorithm left-symmetric\n");
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385 | break;
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386 | case 3:
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387 | fprintf(fout, " parity-algorithm right-symmetric\n");
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388 | break;
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389 | default:
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390 | fatal_error("Unknown RAID parity algorithm.");
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391 | break;
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392 | }
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393 | }
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394 | save_additional_vars_to_file(&raidrec->additional_vars, fout);
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395 | fprintf(fout, "\n");
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396 | save_disklist_to_file("raid-disk", &raidrec->data_disks, fout);
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397 | save_disklist_to_file("spare-disk", &raidrec->spare_disks, fout);
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398 | save_disklist_to_file("parity-disk", &raidrec->parity_disks, fout);
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399 | save_disklist_to_file("failed-disk", &raidrec->failed_disks, fout);
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400 | fprintf(fout, "\n");
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401 | #endif
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402 | }
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403 |
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404 | /**
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405 | * Retrieve the next line from a raidtab stream.
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406 | * @param fin The file to read the input from.
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407 | * @param label Where to put the line's label.
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408 | * @param value Where to put the line's value.
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409 | * @return 0 if the line was read and stored successfully, 1 if we're at end of file.
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410 | */
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411 | int get_next_raidtab_line(FILE *fin, char *label, char *value)
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412 | {
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413 | char *incoming = NULL;
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414 | char *p = NULL;
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415 | size_t n = 0;
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416 |
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417 | assert(fin != NULL);
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418 | assert(label != NULL);
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419 | assert(value != NULL);
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420 |
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421 | label[0] = value[0] = '\0';
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422 | if (feof(fin)) {
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423 | return (1);
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424 | }
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425 | for (mr_getline(&incoming, &n, fin); !feof(fin);
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426 | mr_getline(&incoming, &n, fin)) {
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427 | mr_strip_spaces(incoming);
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428 | p = strchr(incoming, ' ');
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429 | if (strlen(incoming) < 3 || incoming[0] == '#' || !p) {
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430 | continue;
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431 | }
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432 | *(p++) = '\0';
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433 | while (*p == ' ') {
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434 | p++;
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435 | }
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436 | strcpy(label, incoming);
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437 | strcpy(value, p);
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438 | mr_free(incoming);
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439 | return (0);
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440 | }
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441 | mr_free(incoming);
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442 | return (1);
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443 | }
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444 |
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445 |
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446 | /**
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447 | * Load a raidtab file into a raidlist structure.
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448 | * @param raidlist The raidlist to fill.
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449 | * @param fname The file to read from.
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450 | * @return 0 for success, 1 for failure.
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451 | */
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452 | #ifdef __FreeBSD__
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453 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
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454 | char *fname)
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455 | {
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456 | FILE *fin = NULL;
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457 | int items = 0;
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458 |
|
---|
459 | raidlist->spares.entries = 0;
|
---|
460 | raidlist->disks.entries = 0;
|
---|
461 | if (length_of_file(fname) < 5) {
|
---|
462 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
463 | raidlist->entries = 0;
|
---|
464 | return (0);
|
---|
465 | }
|
---|
466 | if (!(fin = fopen(fname, "r"))) {
|
---|
467 | log_it("Cannot open raidtab");
|
---|
468 | return (1);
|
---|
469 | }
|
---|
470 | items = 0;
|
---|
471 | log_it("Loading raidtab...");
|
---|
472 | while (!feof(fin)) {
|
---|
473 | int argc;
|
---|
474 | char **argv = get_next_vinum_conf_line(fin, &argc);
|
---|
475 | if (!argv)
|
---|
476 | break;
|
---|
477 | if (!strcmp(argv[0], "drive")) {
|
---|
478 | char *drivename, *devname;
|
---|
479 | if (argc < 4)
|
---|
480 | continue;
|
---|
481 | drivename = argv[1];
|
---|
482 | devname = get_option_val(argc, argv, "device");
|
---|
483 | if (!devname)
|
---|
484 | continue;
|
---|
485 |
|
---|
486 | if (get_option_state(argc, argv, "hotspare")) {
|
---|
487 | strcpy(raidlist->spares.el[raidlist->spares.entries].name,
|
---|
488 | drivename);
|
---|
489 | strcpy(raidlist->spares.el[raidlist->spares.entries].
|
---|
490 | device, devname);
|
---|
491 | raidlist->spares.el[raidlist->spares.entries].index =
|
---|
492 | raidlist->disks.entries;
|
---|
493 | raidlist->spares.entries++;
|
---|
494 | } else {
|
---|
495 | strcpy(raidlist->disks.el[raidlist->disks.entries].name,
|
---|
496 | drivename);
|
---|
497 | strcpy(raidlist->disks.el[raidlist->disks.entries].device,
|
---|
498 | devname);
|
---|
499 | raidlist->disks.el[raidlist->disks.entries].index =
|
---|
500 | raidlist->disks.entries;
|
---|
501 | raidlist->disks.entries++;
|
---|
502 | }
|
---|
503 | } else if (!strcmp(argv[0], "volume")) {
|
---|
504 | char *volname = NULL;
|
---|
505 | if (argc < 2)
|
---|
506 | continue;
|
---|
507 | volname = argv[1];
|
---|
508 | strcpy(raidlist->el[raidlist->entries].volname, volname);
|
---|
509 | raidlist->el[raidlist->entries].plexes = 0;
|
---|
510 | raidlist->entries++;
|
---|
511 | } else if (!strcmp(argv[0], "plex")) {
|
---|
512 | int raidlevel, stripesize;
|
---|
513 | char *org = NULL;
|
---|
514 | char **tmp = NULL;
|
---|
515 | if (argc < 3)
|
---|
516 | continue;
|
---|
517 | org = get_option_val(argc, argv, "org");
|
---|
518 | if (!org)
|
---|
519 | continue;
|
---|
520 | if (strcmp(org, "concat")) {
|
---|
521 | tmp = get_option_vals(argc, argv, "org", 2);
|
---|
522 | if (tmp && tmp[1]) {
|
---|
523 | stripesize = (int) (size_spec(tmp[1]) / 1024);
|
---|
524 | } else
|
---|
525 | stripesize = 279;
|
---|
526 | } else
|
---|
527 | stripesize = 0;
|
---|
528 |
|
---|
529 | if (!strcmp(org, "concat")) {
|
---|
530 | raidlevel = -1;
|
---|
531 | } else if (!strcmp(org, "striped")) {
|
---|
532 | raidlevel = 0;
|
---|
533 | } else if (!strcmp(org, "raid5")) {
|
---|
534 | raidlevel = 5;
|
---|
535 | } else
|
---|
536 | continue;
|
---|
537 |
|
---|
538 | raidlist->el[raidlist->entries - 1].plex
|
---|
539 | [raidlist->el[raidlist->entries - 1].plexes].raidlevel =
|
---|
540 | raidlevel;
|
---|
541 | raidlist->el[raidlist->entries -
|
---|
542 | 1].plex[raidlist->el[raidlist->entries -
|
---|
543 | 1].plexes].stripesize =
|
---|
544 | stripesize;
|
---|
545 | raidlist->el[raidlist->entries -
|
---|
546 | 1].plex[raidlist->el[raidlist->entries -
|
---|
547 | 1].plexes].subdisks = 0;
|
---|
548 | raidlist->el[raidlist->entries - 1].plexes++;
|
---|
549 | } else if ((!strcmp(argv[0], "sd"))
|
---|
550 | || (!strcmp(argv[0], "subdisk"))) {
|
---|
551 | char *drive = NULL;
|
---|
552 | if (argc < 3)
|
---|
553 | continue;
|
---|
554 | drive = get_option_val(argc, argv, "drive");
|
---|
555 | if (!drive)
|
---|
556 | continue;
|
---|
557 |
|
---|
558 | strcpy(raidlist->el[raidlist->entries - 1].plex
|
---|
559 | [raidlist->el[raidlist->entries - 1].plexes - 1].sd
|
---|
560 | [raidlist->el[raidlist->entries - 1].plex
|
---|
561 | [raidlist->el[raidlist->entries - 1].plexes -
|
---|
562 | 1].subdisks].which_device, drive);
|
---|
563 | raidlist->el[raidlist->entries -
|
---|
564 | 1].plex[raidlist->el[raidlist->entries -
|
---|
565 | 1].plexes - 1].subdisks++;
|
---|
566 | }
|
---|
567 | }
|
---|
568 | fclose(fin);
|
---|
569 | log_it("Raidtab loaded successfully.");
|
---|
570 | log_it("%d RAID devices in raidtab", raidlist->entries);
|
---|
571 | return (0);
|
---|
572 | }
|
---|
573 |
|
---|
574 |
|
---|
575 | #else
|
---|
576 |
|
---|
577 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
---|
578 | char *fname)
|
---|
579 | {
|
---|
580 | FILE *fin = NULL;
|
---|
581 | char *label = NULL;
|
---|
582 | char *value = NULL;
|
---|
583 | int items;
|
---|
584 | int v;
|
---|
585 |
|
---|
586 | assert(raidlist != NULL);
|
---|
587 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
---|
588 |
|
---|
589 | if (length_of_file(fname) < 5) {
|
---|
590 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
591 | raidlist->entries = 0;
|
---|
592 | return (0);
|
---|
593 | }
|
---|
594 | if (!(fin = fopen(fname, "r"))) {
|
---|
595 | log_it("Cannot open raidtab");
|
---|
596 | return (1);
|
---|
597 | }
|
---|
598 | items = 0;
|
---|
599 | log_it("Loading raidtab...");
|
---|
600 | get_next_raidtab_line(fin, label, value);
|
---|
601 | while (!feof(fin)) {
|
---|
602 | mr_msg(1, "Looking for raid record #%d", items);
|
---|
603 | initialize_raidrec(&raidlist->el[items]);
|
---|
604 | v = 0;
|
---|
605 | /* find the 'raiddev' entry, indicating the start of the block of info */
|
---|
606 | while (!feof(fin) && strcmp(label, "raiddev")) {
|
---|
607 | strcpy(raidlist->el[items].additional_vars.el[v].label, label);
|
---|
608 | strcpy(raidlist->el[items].additional_vars.el[v].value, value);
|
---|
609 | v++;
|
---|
610 | get_next_raidtab_line(fin, label, value);
|
---|
611 | }
|
---|
612 | raidlist->el[items].additional_vars.entries = v;
|
---|
613 | if (feof(fin)) {
|
---|
614 | mr_msg(1, "No more records.");
|
---|
615 | continue;
|
---|
616 | }
|
---|
617 | mr_msg(2, "Record #%d (%s) found", items, value);
|
---|
618 | strcpy(raidlist->el[items].raid_device, value);
|
---|
619 | for (get_next_raidtab_line(fin, label, value);
|
---|
620 | !feof(fin) && strcmp(label, "raiddev");
|
---|
621 | get_next_raidtab_line(fin, label, value)) {
|
---|
622 | process_raidtab_line(fin, &raidlist->el[items], label, value);
|
---|
623 | }
|
---|
624 | items++;
|
---|
625 | }
|
---|
626 | paranoid_fclose(fin);
|
---|
627 | raidlist->entries = items;
|
---|
628 | mr_msg(1, "Raidtab loaded successfully.");
|
---|
629 | mr_msg(1, "%d RAID devices in raidtab", items);
|
---|
630 | return (0);
|
---|
631 | }
|
---|
632 | #endif
|
---|
633 |
|
---|
634 |
|
---|
635 | #ifndef __FreeBSD__
|
---|
636 | /**
|
---|
637 | * Process a single line from the raidtab and store the results into @p raidrec.
|
---|
638 | * @param fin The stream to read the line from.
|
---|
639 | * @param raidrec The RAID device record to update.
|
---|
640 | * @param label Where to put the label processed.
|
---|
641 | * @param value Where to put the value processed.
|
---|
642 | */
|
---|
643 | void
|
---|
644 | process_raidtab_line(FILE *fin,
|
---|
645 | struct raid_device_record *raidrec,
|
---|
646 | char *label, char *value)
|
---|
647 | {
|
---|
648 |
|
---|
649 | /*@ add mallocs * */
|
---|
650 | char *labelB = NULL;
|
---|
651 | char *valueB = NULL;
|
---|
652 |
|
---|
653 | struct list_of_disks *disklist = NULL;
|
---|
654 | int v = 0;
|
---|
655 |
|
---|
656 | malloc_string(labelB);
|
---|
657 | malloc_string(valueB);
|
---|
658 | assert(fin != NULL);
|
---|
659 | assert(raidrec != NULL);
|
---|
660 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
661 | assert(value != NULL);
|
---|
662 |
|
---|
663 | if (!strcmp(label, "raid-level")) {
|
---|
664 | if (!strcmp(value, "multipath")) {
|
---|
665 | raidrec->raid_level = -2;
|
---|
666 | } else if (!strcmp(value, "linear")) {
|
---|
667 | raidrec->raid_level = -1;
|
---|
668 | } else {
|
---|
669 | raidrec->raid_level = atoi(value);
|
---|
670 | }
|
---|
671 | } else if (!strcmp(label, "nr-raid-disks")) { /* ignore it */
|
---|
672 | } else if (!strcmp(label, "nr-spare-disks")) { /* ignore it */
|
---|
673 | } else if (!strcmp(label, "nr-parity-disks")) { /* ignore it */
|
---|
674 | } else if (!strcmp(label, "nr-failed-disks")) { /* ignore it */
|
---|
675 | } else if (!strcmp(label, "persistent-superblock")) {
|
---|
676 | raidrec->persistent_superblock = atoi(value);
|
---|
677 | } else if (!strcmp(label, "chunk-size")) {
|
---|
678 | raidrec->chunk_size = atoi(value);
|
---|
679 | } else if (!strcmp(label, "parity-algorithm")) {
|
---|
680 | if (!strcmp(value, "left-asymmetric")) {
|
---|
681 | raidrec->parity = 0;
|
---|
682 | } else if (!strcmp(value, "right-asymmetric")) {
|
---|
683 | raidrec->parity = 1;
|
---|
684 | } else if (!strcmp(value, "left-symmetric")) {
|
---|
685 | raidrec->parity = 2;
|
---|
686 | } else if (!strcmp(value, "right-symmetric")) {
|
---|
687 | raidrec->parity = 3;
|
---|
688 | } else {
|
---|
689 | mr_msg(1, "Unknown RAID parity algorithm '%s'\n.", value);
|
---|
690 | }
|
---|
691 | } else if (!strcmp(label, "device")) {
|
---|
692 | get_next_raidtab_line(fin, labelB, valueB);
|
---|
693 | if (!strcmp(labelB, "raid-disk")) {
|
---|
694 | disklist = &raidrec->data_disks;
|
---|
695 | } else if (!strcmp(labelB, "spare-disk")) {
|
---|
696 | disklist = &raidrec->spare_disks;
|
---|
697 | } else if (!strcmp(labelB, "parity-disk")) {
|
---|
698 | disklist = &raidrec->parity_disks;
|
---|
699 | } else if (!strcmp(labelB, "failed-disk")) {
|
---|
700 | disklist = &raidrec->failed_disks;
|
---|
701 | } else {
|
---|
702 | disklist = NULL;
|
---|
703 | }
|
---|
704 | if (!disklist) {
|
---|
705 | log_it("Ignoring '%s %s' pair of disk %s", labelB, valueB,
|
---|
706 | label);
|
---|
707 | } else {
|
---|
708 | add_disk_to_raid_device(disklist, value, atoi(valueB));
|
---|
709 | }
|
---|
710 | mr_free(labelB);
|
---|
711 | mr_free(valueB);
|
---|
712 | } else {
|
---|
713 | v = raidrec->additional_vars.entries;
|
---|
714 | strcpy(raidrec->additional_vars.el[v].label, label);
|
---|
715 | strcpy(raidrec->additional_vars.el[v].value, value);
|
---|
716 | raidrec->additional_vars.entries = ++v;
|
---|
717 | }
|
---|
718 | }
|
---|
719 | #endif
|
---|
720 |
|
---|
721 |
|
---|
722 | /**
|
---|
723 | * Save a disklist to a stream in raidtab format.
|
---|
724 | * @param listname One of "raid-disk", "spare-disk", "parity-disk", or "failed-disk".
|
---|
725 | * @param disklist The disklist to save to @p fout.
|
---|
726 | * @param fout The stream to write to.
|
---|
727 | */
|
---|
728 | void
|
---|
729 | save_disklist_to_file(char *listname,
|
---|
730 | struct list_of_disks *disklist, FILE * fout)
|
---|
731 | {
|
---|
732 | int i;
|
---|
733 |
|
---|
734 | assert_string_is_neither_NULL_nor_zerolength(listname);
|
---|
735 | assert(disklist != NULL);
|
---|
736 | assert(fout != NULL);
|
---|
737 |
|
---|
738 | for (i = 0; i < disklist->entries; i++) {
|
---|
739 | fprintf(fout, " device %s\n",
|
---|
740 | disklist->el[i].device);
|
---|
741 | fprintf(fout, " %-21s %d\n", listname, disklist->el[i].index);
|
---|
742 | }
|
---|
743 | }
|
---|
744 |
|
---|
745 |
|
---|
746 | #ifdef __FreeBSD__
|
---|
747 | /**
|
---|
748 | * Add a new plex to a volume. The index of the plex will be <tt>v-\>plexes - 1</tt>.
|
---|
749 | * @param v The volume to operate on.
|
---|
750 | * @param raidlevel The RAID level of the new plex.
|
---|
751 | * @param stripesize The stripe size (chunk size) of the new plex.
|
---|
752 | */
|
---|
753 | void add_plex_to_volume(struct vinum_volume *v, int raidlevel,
|
---|
754 | int stripesize)
|
---|
755 | {
|
---|
756 | v->plex[v->plexes].raidlevel = raidlevel;
|
---|
757 | v->plex[v->plexes].stripesize = stripesize;
|
---|
758 | v->plex[v->plexes].subdisks = 0;
|
---|
759 | ++v->plexes;
|
---|
760 | }
|
---|
761 |
|
---|
762 | /**
|
---|
763 | * For internal use only.
|
---|
764 | */
|
---|
765 | char **get_next_vinum_conf_line(FILE * f, int *argc)
|
---|
766 | {
|
---|
767 | int cnt = 0;
|
---|
768 | static char *argv[64];
|
---|
769 | char **ap;
|
---|
770 | char *line = NULL;
|
---|
771 | size_t = 0;
|
---|
772 | int lastpos = 0;
|
---|
773 |
|
---|
774 | mr_getline(&line, &n, f);
|
---|
775 | if (feof(f)) {
|
---|
776 | log_it("[GNVCL] Uh... I reached the EOF.");
|
---|
777 | return NULL;
|
---|
778 | }
|
---|
779 |
|
---|
780 | for (ap = argv; (*ap = strsep(&line, " \t")) != NULL;)
|
---|
781 | if (**ap != '\0') {
|
---|
782 | if (++ap >= &argv[64])
|
---|
783 | break;
|
---|
784 | cnt++;
|
---|
785 | }
|
---|
786 |
|
---|
787 | if (strchr(argv[cnt - 1], '\n')) {
|
---|
788 | *(strchr(argv[cnt - 1], '\n')) = '\0';
|
---|
789 | }
|
---|
790 |
|
---|
791 | if (argc)
|
---|
792 | *argc = cnt;
|
---|
793 | return argv;
|
---|
794 | }
|
---|
795 |
|
---|
796 | /**
|
---|
797 | * For internal use only.
|
---|
798 | */
|
---|
799 | char *get_option_val(int argc, char **argv, char *option)
|
---|
800 | {
|
---|
801 | int i;
|
---|
802 | for (i = 0; i < (argc - 1); ++i) {
|
---|
803 | if (!strcmp(argv[i], option)) {
|
---|
804 | return argv[i + 1];
|
---|
805 | }
|
---|
806 | }
|
---|
807 | return 0;
|
---|
808 | }
|
---|
809 |
|
---|
810 | /**
|
---|
811 | * For internal use only.
|
---|
812 | */
|
---|
813 | char **get_option_vals(int argc, char **argv, char *option, int nval)
|
---|
814 | {
|
---|
815 | int i, j;
|
---|
816 | static char **ret;
|
---|
817 | ret = (char **) mr_malloc(nval * sizeof(char *));
|
---|
818 | for (i = 0; i < (argc - nval); ++i) {
|
---|
819 | if (!strcmp(argv[i], option)) {
|
---|
820 | for (j = 0; j < nval; ++j) {
|
---|
821 | ret[j] = (char *) mr_malloc(strlen(argv[i + j + 1]) + 1);
|
---|
822 | strcpy(ret[j], argv[i + j + 1]);
|
---|
823 | }
|
---|
824 | return ret;
|
---|
825 | }
|
---|
826 | }
|
---|
827 | return 0;
|
---|
828 | }
|
---|
829 |
|
---|
830 | /**
|
---|
831 | * For internal use only.
|
---|
832 | */
|
---|
833 | bool get_option_state(int argc, char **argv, char *option)
|
---|
834 | {
|
---|
835 | int i;
|
---|
836 | for (i = 0; i < argc; ++i)
|
---|
837 | if (!strcmp(argv[i], option))
|
---|
838 | return TRUE;
|
---|
839 |
|
---|
840 | return FALSE;
|
---|
841 | }
|
---|
842 |
|
---|
843 | /**
|
---|
844 | * Taken from Vinum source -- for internal use only.
|
---|
845 | */
|
---|
846 | long long size_spec(char *spec)
|
---|
847 | {
|
---|
848 | u_int64_t size;
|
---|
849 | char *s;
|
---|
850 | int sign = 1; /* -1 if negative */
|
---|
851 |
|
---|
852 | size = 0;
|
---|
853 | if (spec != NULL) { /* we have a parameter */
|
---|
854 | s = spec;
|
---|
855 | if (*s == '-') { /* negative, */
|
---|
856 | sign = -1;
|
---|
857 | s++; /* skip */
|
---|
858 | }
|
---|
859 | if ((*s >= '0') && (*s <= '9')) { /* it's numeric */
|
---|
860 | while ((*s >= '0') && (*s <= '9')) /* it's numeric */
|
---|
861 | size = size * 10 + *s++ - '0'; /* convert it */
|
---|
862 | switch (*s) {
|
---|
863 | case '\0':
|
---|
864 | return size * sign;
|
---|
865 |
|
---|
866 | case 'B':
|
---|
867 | case 'b':
|
---|
868 | case 'S':
|
---|
869 | case 's':
|
---|
870 | return size * sign * 512;
|
---|
871 |
|
---|
872 | case 'K':
|
---|
873 | case 'k':
|
---|
874 | return size * sign * 1024;
|
---|
875 |
|
---|
876 | case 'M':
|
---|
877 | case 'm':
|
---|
878 | return size * sign * 1024 * 1024;
|
---|
879 |
|
---|
880 | case 'G':
|
---|
881 | case 'g':
|
---|
882 | return size * sign * 1024 * 1024 * 1024;
|
---|
883 |
|
---|
884 | case 'T':
|
---|
885 | case 't':
|
---|
886 | log_it
|
---|
887 | ("Ok, I'm scared... Someone did a TERABYTE+ size-spec");
|
---|
888 | return size * sign * 1024 * 1024 * 1024 * 1024;
|
---|
889 |
|
---|
890 | case 'P':
|
---|
891 | case 'p':
|
---|
892 | log_it
|
---|
893 | ("If I was scared last time, I'm freaked out now. Someone actually has a PETABYTE?!?!?!?!");
|
---|
894 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024;
|
---|
895 |
|
---|
896 | case 'E':
|
---|
897 | case 'e':
|
---|
898 | log_it
|
---|
899 | ("Okay, I'm REALLY freaked out. Who could devote a whole EXABYTE to their data?!?!");
|
---|
900 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
901 | 1024;
|
---|
902 |
|
---|
903 | case 'Z':
|
---|
904 | case 'z':
|
---|
905 | log_it
|
---|
906 | ("WHAT!?!? A ZETABYTE!?!? You've GOT to be kidding me!!!");
|
---|
907 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
908 | 1024 * 1024;
|
---|
909 |
|
---|
910 | case 'Y':
|
---|
911 | case 'y':
|
---|
912 | log_it
|
---|
913 | ("Oh my gosh. You actually think a YOTTABYTE will get you anywhere? What're you going to do with 1,208,925,819,614,629,174,706,176 bytes?!?!");
|
---|
914 | popup_and_OK
|
---|
915 | (_("That sizespec is more than 1,208,925,819,614,629,174,706,176 bytes. You have a shocking amount of data. Please send a screenshot to the list :-)"));
|
---|
916 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
917 | 1024 * 1024 * 1024;
|
---|
918 | }
|
---|
919 | }
|
---|
920 | }
|
---|
921 | return size * sign;
|
---|
922 | }
|
---|
923 |
|
---|
924 | #endif
|
---|
925 |
|
---|
926 |
|
---|
927 |
|
---|
928 |
|
---|
929 | int parse_mdstat(struct raidlist_itself *raidlist, char *device_prefix) {
|
---|
930 |
|
---|
931 | const char delims[] = " ";
|
---|
932 |
|
---|
933 | FILE *fin = NULL;
|
---|
934 | int row = 0;
|
---|
935 | int i = 0;
|
---|
936 | int index_min = 0;
|
---|
937 | int lastpos = 0;
|
---|
938 | size_t len = 0;
|
---|
939 | char *token = NULL;
|
---|
940 | char *string = NULL;
|
---|
941 | char *pos = NULL;
|
---|
942 | char type = ' ';
|
---|
943 | char *strtmp = NULL;
|
---|
944 |
|
---|
945 | // open file
|
---|
946 | if (!(fin = fopen(MDSTAT_FILE, "r"))) {
|
---|
947 | mr_msg(1, "Could not open %s.\n", MDSTAT_FILE);
|
---|
948 | return 1;
|
---|
949 | }
|
---|
950 | // initialise record, build progress and row counters
|
---|
951 | raidlist->entries = 0;
|
---|
952 | raidlist->el[raidlist->entries].progress = 999;
|
---|
953 | row = 1;
|
---|
954 | // skip first output row - contains registered RAID levels
|
---|
955 | mr_getline(&string, &len, fin);
|
---|
956 | // parse the rest
|
---|
957 | while ( !feof_unlocked(fin) ) {
|
---|
958 | mr_getline(&string, &len, fin);
|
---|
959 | // trim leading spaces
|
---|
960 | pos = string;
|
---|
961 | while (*pos == ' ') pos++;
|
---|
962 | mr_asprintf(&strtmp, pos);
|
---|
963 | mr_allocstr(string,strtmp);
|
---|
964 | mr_free(strtmp);
|
---|
965 | // if we have newline after only spaces, this is a blank line, update
|
---|
966 | // counters, otherwise do normal parsing
|
---|
967 | if (*string == '\n') {
|
---|
968 | row = 1;
|
---|
969 | raidlist->entries++;
|
---|
970 | raidlist->el[raidlist->entries].progress = 999;
|
---|
971 | } else {
|
---|
972 | switch (row) {
|
---|
973 | case 1: // device information
|
---|
974 | // check whether last line of record and if so skip
|
---|
975 | pos = strcasestr(string, "unused devices: ");
|
---|
976 | if (pos == string) {
|
---|
977 | //raidlist->entries--;
|
---|
978 | break;
|
---|
979 | }
|
---|
980 | // tokenise string
|
---|
981 | token = mr_strtok (string, delims, &lastpos);
|
---|
982 | // get RAID device name
|
---|
983 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
984 | strcpy(raidlist->el[raidlist->entries].raid_device, strtmp);
|
---|
985 | mr_free(strtmp);
|
---|
986 | mr_free(token);
|
---|
987 | // skip ':' and status
|
---|
988 | token = mr_strtok (string, delims, &lastpos);
|
---|
989 | mr_free(token);
|
---|
990 | token = mr_strtok (string, delims, &lastpos);
|
---|
991 | if (!strcmp(token, "inactive")) {
|
---|
992 | mr_msg(1, "RAID device '%s' inactive.\n",
|
---|
993 | raidlist->el[raidlist->entries].raid_device);
|
---|
994 | mr_free(string);
|
---|
995 | mr_free(token);
|
---|
996 | return 1;
|
---|
997 | }
|
---|
998 | mr_free(token);
|
---|
999 |
|
---|
1000 | // get RAID level
|
---|
1001 | token = mr_strtok (string, delims, &lastpos);
|
---|
1002 | if (!strcmp(token, "multipath")) {
|
---|
1003 | raidlist->el[raidlist->entries].raid_level = -2;
|
---|
1004 | } else if (!strcmp(token, "linear")) {
|
---|
1005 | raidlist->el[raidlist->entries].raid_level = -1;
|
---|
1006 | } else if (!strcmp(token, "raid0")) {
|
---|
1007 | raidlist->el[raidlist->entries].raid_level = 0;
|
---|
1008 | } else if (!strcmp(token, "raid1")) {
|
---|
1009 | raidlist->el[raidlist->entries].raid_level = 1;
|
---|
1010 | } else if (!strcmp(token, "raid4")) {
|
---|
1011 | raidlist->el[raidlist->entries].raid_level = 4;
|
---|
1012 | } else if (!strcmp(token, "raid5")) {
|
---|
1013 | raidlist->el[raidlist->entries].raid_level = 5;
|
---|
1014 | } else if (!strcmp(token, "raid6")) {
|
---|
1015 | raidlist->el[raidlist->entries].raid_level = 6;
|
---|
1016 | } else if (!strcmp(token, "raid10")) {
|
---|
1017 | raidlist->el[raidlist->entries].raid_level = 10;
|
---|
1018 | } else {
|
---|
1019 | mr_msg(1, "Unknown RAID level '%s'.\n", token);
|
---|
1020 | mr_free(string);
|
---|
1021 | mr_free(token);
|
---|
1022 | return 1;
|
---|
1023 | }
|
---|
1024 | mr_free(token);
|
---|
1025 |
|
---|
1026 | // get RAID devices (type, index, device)
|
---|
1027 | // Note: parity disk for RAID4 is last normal disk, there is no '(P)'
|
---|
1028 | raidlist->el[raidlist->entries].data_disks.entries = 0;
|
---|
1029 | raidlist->el[raidlist->entries].spare_disks.entries = 0;
|
---|
1030 | raidlist->el[raidlist->entries].failed_disks.entries = 0;
|
---|
1031 | while((token = mr_strtok (string, delims, &lastpos))) {
|
---|
1032 | if ((pos = strstr(token, "("))) {
|
---|
1033 | type = *(pos+1);
|
---|
1034 | } else {
|
---|
1035 | type = ' ';
|
---|
1036 | }
|
---|
1037 | pos = strstr(token, "[");
|
---|
1038 | *pos = '\0';
|
---|
1039 | switch(type) {
|
---|
1040 | case ' ': // normal data disks
|
---|
1041 | raidlist->el[raidlist->entries].data_disks.el[raidlist->el[raidlist->entries].data_disks.entries].index = atoi(pos + 1);
|
---|
1042 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
1043 | strcpy(raidlist->el[raidlist->entries].data_disks.el[raidlist->el[raidlist->entries].data_disks.entries].device, strtmp);
|
---|
1044 | mr_free(strtmp);
|
---|
1045 | raidlist->el[raidlist->entries].data_disks.entries++;
|
---|
1046 | break;
|
---|
1047 | case 'S': // spare disks
|
---|
1048 | raidlist->el[raidlist->entries].spare_disks.el[raidlist->el[raidlist->entries].spare_disks.entries].index = atoi(pos + 1);
|
---|
1049 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
1050 | strcpy(raidlist->el[raidlist->entries].spare_disks.el[raidlist->el[raidlist->entries].spare_disks.entries].device, strtmp);
|
---|
1051 | mr_free(strtmp);
|
---|
1052 | raidlist->el[raidlist->entries].spare_disks.entries++;
|
---|
1053 | break;
|
---|
1054 | case 'F': // failed disks
|
---|
1055 | raidlist->el[raidlist->entries].failed_disks.el[raidlist->el[raidlist->entries].failed_disks.entries].index = atoi(pos + 1);
|
---|
1056 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
1057 | strcpy(raidlist->el[raidlist->entries].failed_disks.el[raidlist->el[raidlist->entries].failed_disks.entries].device, strtmp);
|
---|
1058 | mr_free(strtmp);
|
---|
1059 | raidlist->el[raidlist->entries].failed_disks.entries++;
|
---|
1060 | log_it("At least one failed disk found in RAID array.\n");
|
---|
1061 | break;
|
---|
1062 | default: // error
|
---|
1063 | mr_msg(1, "Unknown device type '%c'\n", type);
|
---|
1064 | mr_free(string);
|
---|
1065 | mr_free(token);
|
---|
1066 | return 1;
|
---|
1067 | break;
|
---|
1068 | }
|
---|
1069 | mr_free(token);
|
---|
1070 | }
|
---|
1071 |
|
---|
1072 | // adjust index for each device so that it starts with 0 for every type
|
---|
1073 | index_min = 99;
|
---|
1074 | for (i=0; i<raidlist->el[raidlist->entries].data_disks.entries;i++) {
|
---|
1075 | if (raidlist->el[raidlist->entries].data_disks.el[i].index < index_min) {
|
---|
1076 | index_min = raidlist->el[raidlist->entries].data_disks.el[i].index;
|
---|
1077 | }
|
---|
1078 | }
|
---|
1079 | if (index_min > 0) {
|
---|
1080 | for (i=0; i<raidlist->el[raidlist->entries].data_disks.entries;i++) {
|
---|
1081 | raidlist->el[raidlist->entries].data_disks.el[i].index = raidlist->el[raidlist->entries].data_disks.el[i].index - index_min;
|
---|
1082 | }
|
---|
1083 | }
|
---|
1084 | index_min = 99;
|
---|
1085 | for (i=0; i<raidlist->el[raidlist->entries].spare_disks.entries;i++) {
|
---|
1086 | if (raidlist->el[raidlist->entries].spare_disks.el[i].index < index_min) {
|
---|
1087 | index_min = raidlist->el[raidlist->entries].spare_disks.el[i].index;
|
---|
1088 | }
|
---|
1089 | }
|
---|
1090 | if (index_min > 0) {
|
---|
1091 | for (i=0; i<raidlist->el[raidlist->entries].spare_disks.entries;i++) {
|
---|
1092 | raidlist->el[raidlist->entries].spare_disks.el[i].index = raidlist->el[raidlist->entries].spare_disks.el[i].index - index_min;
|
---|
1093 | }
|
---|
1094 | }
|
---|
1095 | index_min = 99;
|
---|
1096 | for (i=0; i<raidlist->el[raidlist->entries].failed_disks.entries;i++) {
|
---|
1097 | if (raidlist->el[raidlist->entries].failed_disks.el[i].index < index_min) {
|
---|
1098 | index_min = raidlist->el[raidlist->entries].failed_disks.el[i].index;
|
---|
1099 | }
|
---|
1100 | }
|
---|
1101 | if (index_min > 0) {
|
---|
1102 | for (i=0; i<raidlist->el[raidlist->entries].failed_disks.entries;i++) {
|
---|
1103 | raidlist->el[raidlist->entries].failed_disks.el[i].index = raidlist->el[raidlist->entries].failed_disks.el[i].index - index_min;
|
---|
1104 | }
|
---|
1105 | }
|
---|
1106 | break;
|
---|
1107 | case 2: // config information
|
---|
1108 | // check for persistent super block
|
---|
1109 | if (strcasestr(string, "super non-persistent")) {
|
---|
1110 | raidlist->el[raidlist->entries].persistent_superblock = 0;
|
---|
1111 | } else {
|
---|
1112 | raidlist->el[raidlist->entries].persistent_superblock = 1;
|
---|
1113 | }
|
---|
1114 | // extract chunk size
|
---|
1115 | if (!(pos = strcasestr(string, "k chunk"))) {
|
---|
1116 | raidlist->el[raidlist->entries].chunk_size = -1;
|
---|
1117 | } else {
|
---|
1118 | while (*pos != ' ') {
|
---|
1119 | pos -= 1;
|
---|
1120 | if (pos < string) {
|
---|
1121 | log_it("String underflow!\n");
|
---|
1122 | mr_free(string);
|
---|
1123 | return 1;
|
---|
1124 | }
|
---|
1125 | }
|
---|
1126 | raidlist->el[raidlist->entries].chunk_size = atoi(pos + 1);
|
---|
1127 | }
|
---|
1128 | // extract parity if present
|
---|
1129 | if ((pos = strcasestr(string, "algorithm"))) {
|
---|
1130 | raidlist->el[raidlist->entries].parity = atoi(pos + 9);
|
---|
1131 | } else {
|
---|
1132 | raidlist->el[raidlist->entries].parity = -1;
|
---|
1133 | }
|
---|
1134 | break;
|
---|
1135 | case 3: // optional build status information
|
---|
1136 | if (!(pos = strchr(string, '\%'))) {
|
---|
1137 | if (strcasestr(string, "delayed")) {
|
---|
1138 | raidlist->el[raidlist->entries].progress = -1; // delayed (therefore, stuck at 0%)
|
---|
1139 | } else {
|
---|
1140 | raidlist->el[raidlist->entries].progress = 999; // not found
|
---|
1141 | }
|
---|
1142 | } else {
|
---|
1143 | while (*pos != ' ') {
|
---|
1144 | pos -= 1;
|
---|
1145 | if (pos < string) {
|
---|
1146 | printf("ERROR: String underflow!\n");
|
---|
1147 | mr_free(string);
|
---|
1148 | return 1;
|
---|
1149 | }
|
---|
1150 | }
|
---|
1151 | raidlist->el[raidlist->entries].progress = atoi(pos);
|
---|
1152 | }
|
---|
1153 | break;
|
---|
1154 | default: // error or IN PROGRESS
|
---|
1155 | if (raidlist->el[raidlist->entries].progress != -1 &&
|
---|
1156 | raidlist->el[raidlist->entries].progress != 999) {
|
---|
1157 | mr_msg(1, "Row %d should not occur in record!\n", row);
|
---|
1158 | }
|
---|
1159 | break;
|
---|
1160 | }
|
---|
1161 | row++;
|
---|
1162 | }
|
---|
1163 | }
|
---|
1164 | // close file
|
---|
1165 | fclose(fin);
|
---|
1166 | // free string
|
---|
1167 | mr_free(string);
|
---|
1168 | // return success
|
---|
1169 | return 0;
|
---|
1170 |
|
---|
1171 | }
|
---|
1172 |
|
---|
1173 |
|
---|
1174 |
|
---|
1175 |
|
---|
1176 | int create_raidtab_from_mdstat(char *raidtab_fname)
|
---|
1177 | {
|
---|
1178 | struct raidlist_itself *raidlist;
|
---|
1179 | int retval = 0;
|
---|
1180 |
|
---|
1181 | raidlist = mr_malloc(sizeof(struct raidlist_itself));
|
---|
1182 |
|
---|
1183 | // FIXME: Prefix '/dev/' should really be dynamic!
|
---|
1184 | if (parse_mdstat(raidlist, "/dev/")) {
|
---|
1185 | log_to_screen("Sorry, cannot read %s", MDSTAT_FILE);
|
---|
1186 | return (1);
|
---|
1187 | }
|
---|
1188 |
|
---|
1189 | retval += save_raidlist_to_raidtab(raidlist, raidtab_fname);
|
---|
1190 | return (retval);
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 |
|
---|
1194 | /* @} - end of raidGroup */
|
---|