| 1 | #!/bin/ksh |
|---|
| 2 | # IBM_PROLOG_BEGIN_TAG |
|---|
| 3 | # This is an automatically generated prolog. |
|---|
| 4 | # |
|---|
| 5 | # |
|---|
| 6 | # |
|---|
| 7 | # Licensed Materials - Property of IBM |
|---|
| 8 | # |
|---|
| 9 | # (C) COPYRIGHT International Business Machines Corp. 1998,2006 |
|---|
| 10 | # All Rights Reserved |
|---|
| 11 | # |
|---|
| 12 | # US Government Users Restricted Rights - Use, duplication or |
|---|
| 13 | # disclosure restricted by GSA ADP Schedule Contract with IBM Corp. |
|---|
| 14 | # |
|---|
| 15 | # IBM_PROLOG_END_TAG |
|---|
| 16 | # @(#)02 1.64 src/avs/fs/mmfs/ts/admin/mmmvfs.sh, mmfs, avs_rgpfs24, rgpfs24s001a 3/30/06 14:59:15 |
|---|
| 17 | ############################################################################## |
|---|
| 18 | # |
|---|
| 19 | # Usage: |
|---|
| 20 | # mmmvfs Device -W newDeviceName |
|---|
| 21 | # |
|---|
| 22 | # where |
|---|
| 23 | # Device is the file system to be renamed. |
|---|
| 24 | # -W newDeviceName is the new name for the file system. |
|---|
| 25 | # |
|---|
| 26 | ############################################################################## |
|---|
| 27 | |
|---|
| 28 | # Include global declarations and service routines |
|---|
| 29 | . /usr/lpp/mmfs/bin/mmglobfuncs |
|---|
| 30 | . /usr/lpp/mmfs/bin/mmsdrfsdef |
|---|
| 31 | . /usr/lpp/mmfs/bin/mmfsfuncs |
|---|
| 32 | |
|---|
| 33 | sourceFile="mmmvfs.sh" |
|---|
| 34 | [[ -n $DEBUG || -n $DEBUGmmmvfs ]] && set -x |
|---|
| 35 | $mmTRACE_ENTER "$*" |
|---|
| 36 | |
|---|
| 37 | |
|---|
| 38 | # Local work files. Names should be of the form: |
|---|
| 39 | # fn=${tmpDir}fn.${mmcmd}.$$ |
|---|
| 40 | |
|---|
| 41 | oldNodes=${tmpDir}oldNodes.${mmcmd}.$$ |
|---|
| 42 | newNodes=${tmpDir}newNodes.${mmcmd}.$$ |
|---|
| 43 | oldcfgFile=${tmpDir}oldcfgFile.${mmcmd}.$$ |
|---|
| 44 | |
|---|
| 45 | LOCAL_FILES=" $oldNodes $newNodes $oldcfgFile " |
|---|
| 46 | |
|---|
| 47 | # Local variable declarations |
|---|
| 48 | usageMsg=185 |
|---|
| 49 | newNodesetIdFound=no |
|---|
| 50 | oldNodesetId="" |
|---|
| 51 | fsMountPoint="" |
|---|
| 52 | existingMountPoints="" |
|---|
| 53 | existingMinorNumbers="" |
|---|
| 54 | newVSDfound="" |
|---|
| 55 | newDiskLeaseRequired="" |
|---|
| 56 | newLVfound="" |
|---|
| 57 | existingLVfound="" |
|---|
| 58 | existingVSDfound="" |
|---|
| 59 | existingDiskLeaseRequired="" |
|---|
| 60 | preferredNode=0 |
|---|
| 61 | |
|---|
| 62 | |
|---|
| 63 | # Local functions |
|---|
| 64 | |
|---|
| 65 | |
|---|
| 66 | |
|---|
| 67 | ####################### |
|---|
| 68 | # Mainline processing. |
|---|
| 69 | ####################### |
|---|
| 70 | |
|---|
| 71 | |
|---|
| 72 | ################################# |
|---|
| 73 | # Process the command arguments. |
|---|
| 74 | ################################# |
|---|
| 75 | [[ $arg1 = '-?' || $arg1 = '-h' || $arg1 = '--help' || $arg1 = '--' ]] && \ |
|---|
| 76 | syntaxError "help" $usageMsg |
|---|
| 77 | |
|---|
| 78 | [[ $argc -lt 2 ]] && \ |
|---|
| 79 | syntaxError "missingArgs" $usageMsg |
|---|
| 80 | |
|---|
| 81 | [[ $argc -gt 3 ]] && syntaxError "help" $usageMsg |
|---|
| 82 | |
|---|
| 83 | device=$arg1 # Save the file system device (always the first parameter). |
|---|
| 84 | shift 1 # Drop the device name from the parameter list. |
|---|
| 85 | |
|---|
| 86 | while getopts :W: OPT |
|---|
| 87 | do |
|---|
| 88 | case $OPT in |
|---|
| 89 | |
|---|
| 90 | W) # Rename the file system to the specified name. |
|---|
| 91 | newFsName=$OPTARG |
|---|
| 92 | ;; |
|---|
| 93 | |
|---|
| 94 | +[W]) syntaxError "invalidOption" $usageMsg $OPT |
|---|
| 95 | ;; |
|---|
| 96 | |
|---|
| 97 | :) syntaxError "missingValue" $usageMsg $OPTARG |
|---|
| 98 | ;; |
|---|
| 99 | |
|---|
| 100 | *) # invalid option specified |
|---|
| 101 | syntaxError "invalidOption" $usageMsg $OPTARG |
|---|
| 102 | ;; |
|---|
| 103 | esac |
|---|
| 104 | done |
|---|
| 105 | |
|---|
| 106 | shift OPTIND-1 |
|---|
| 107 | [[ $# != 0 ]] && syntaxError "extraArg" $usageMsg $1 |
|---|
| 108 | |
|---|
| 109 | |
|---|
| 110 | ##################################################################### |
|---|
| 111 | # Verify the correctness of the input new device name parameter. |
|---|
| 112 | # The correctness of the existing device name is checked in findFS. |
|---|
| 113 | ##################################################################### |
|---|
| 114 | newDeviceName=${newFsName##+(/)dev+(/)} # name stripped of /dev/ prefix |
|---|
| 115 | newfqDeviceName="/dev/$newDeviceName" # name with /dev/ prefix |
|---|
| 116 | if [[ $newDeviceName != ${newDeviceName#*/} ]] |
|---|
| 117 | then |
|---|
| 118 | if [[ $newDeviceName = ${newDeviceName#/} ]] |
|---|
| 119 | then |
|---|
| 120 | printErrorMsg 170 $mmcmd $newFsName |
|---|
| 121 | else |
|---|
| 122 | # Name starts with a slash, but not /dev/. |
|---|
| 123 | printErrorMsg 169 $mmcmd $newFsName |
|---|
| 124 | fi |
|---|
| 125 | cleanupAndExit |
|---|
| 126 | fi |
|---|
| 127 | |
|---|
| 128 | |
|---|
| 129 | ##################################################################### |
|---|
| 130 | # Set up trap exception handling and call the gpfsInit function. |
|---|
| 131 | # It will ensure that the local copy of the mmsdrfs and the rest of |
|---|
| 132 | # the GPFS system files are up-to-date and will obtain the sdr lock. |
|---|
| 133 | ##################################################################### |
|---|
| 134 | trap pretrap HUP INT QUIT KILL |
|---|
| 135 | gpfsInitOutput=$(gpfsInit $lockId) |
|---|
| 136 | setGlobalVar $? $gpfsInitOutput |
|---|
| 137 | |
|---|
| 138 | |
|---|
| 139 | ########################################################### |
|---|
| 140 | # Make sure the specified file system exists and is local. |
|---|
| 141 | ########################################################### |
|---|
| 142 | findFSoutput=$(findFS "$device" $mmsdrfsFile) |
|---|
| 143 | [[ -z $findFSoutput ]] && cleanupAndExit |
|---|
| 144 | |
|---|
| 145 | # Parse the output from the findFS function. |
|---|
| 146 | set -f ; set -- $findFSoutput ; set +f |
|---|
| 147 | fqDeviceName=$1 |
|---|
| 148 | deviceName=$2 |
|---|
| 149 | fsHomeCluster=$3 |
|---|
| 150 | |
|---|
| 151 | # Exit with a message if the command was invoked for a remote file system. |
|---|
| 152 | if [[ $fsHomeCluster != $HOME_CLUSTER ]] |
|---|
| 153 | then |
|---|
| 154 | # Command is not allowed for remote file systems. |
|---|
| 155 | printErrorMsg 106 $mmcmd $device $fsHomeCluster |
|---|
| 156 | cleanupAndExit 1 |
|---|
| 157 | fi |
|---|
| 158 | |
|---|
| 159 | |
|---|
| 160 | ############################################## |
|---|
| 161 | # Create the new version of the mmsdrfs file. |
|---|
| 162 | ############################################## |
|---|
| 163 | $rm -f $newsdrfs $nodefile $allQuorumNodes |
|---|
| 164 | IFS=":" # Change the field separator to ':'. |
|---|
| 165 | exec 3<&- |
|---|
| 166 | exec 3< $mmsdrfsFile |
|---|
| 167 | while read -u3 sdrfsLine |
|---|
| 168 | do |
|---|
| 169 | # Parse the line. |
|---|
| 170 | set -f ; set -A v -- - $sdrfsLine ; set +f |
|---|
| 171 | |
|---|
| 172 | IFS="$IFS_sv" # Restore the default IFS settings. |
|---|
| 173 | |
|---|
| 174 | # Change some of the fields depending on the type of line. |
|---|
| 175 | case ${v[$LINE_TYPE_Field]} in |
|---|
| 176 | |
|---|
| 177 | $VERSION_LINE ) # This is the global header line. |
|---|
| 178 | # Increment the generation number. |
|---|
| 179 | newGenNumber=${v[$SDRFS_GENNUM_Field]}+1 |
|---|
| 180 | v[$SDRFS_GENNUM_Field]=$newGenNumber |
|---|
| 181 | ;; |
|---|
| 182 | |
|---|
| 183 | $MEMBER_NODE ) # This line describes a node. |
|---|
| 184 | # Add the reliable node name to nodefile. |
|---|
| 185 | print -- "${v[$REL_HOSTNAME_Field]}" >> $nodefile |
|---|
| 186 | checkForErrors "writing to file $nodefile" $? |
|---|
| 187 | |
|---|
| 188 | # Create a list of the quorum nodes. |
|---|
| 189 | if [[ ${v[$CORE_QUORUM_Field]} = $quorumNode ]] |
|---|
| 190 | then |
|---|
| 191 | print -- "${v[$REL_HOSTNAME_Field]}" >> $allQuorumNodes |
|---|
| 192 | checkForErrors "writing to file $allQuorumNodes" $? |
|---|
| 193 | fi |
|---|
| 194 | |
|---|
| 195 | # If the node that is executing this command is part of the nodeset, |
|---|
| 196 | # designate it as a "preferred node" |
|---|
| 197 | [[ ${v[$NODE_NUMBER_Field]} = $ourNodeNumber ]] && \ |
|---|
| 198 | preferredNode=${v[$REL_HOSTNAME_Field]} |
|---|
| 199 | ;; |
|---|
| 200 | |
|---|
| 201 | $SG_HEADR ) # This is a fs header line. |
|---|
| 202 | # Make sure that the new file system name does not already exist. |
|---|
| 203 | if [[ ${v[$DEV_NAME_Field]} = $newDeviceName ]] |
|---|
| 204 | then |
|---|
| 205 | printErrorMsg 107 $mmcmd $newFsName |
|---|
| 206 | cleanupAndExit |
|---|
| 207 | fi |
|---|
| 208 | # If the line is for our file system, replace the |
|---|
| 209 | # existing file system name with the new one. |
|---|
| 210 | [[ ${v[$DEV_NAME_Field]} = $deviceName ]] && \ |
|---|
| 211 | v[$DEV_NAME_Field]=$newDeviceName |
|---|
| 212 | ;; |
|---|
| 213 | |
|---|
| 214 | $SG_MOUNT | $SG_DISKS | $AUTHORIZED_FS ) |
|---|
| 215 | # If the line is for our file system, replace the |
|---|
| 216 | # existing file system name with the new one. |
|---|
| 217 | [[ ${v[$DEV_NAME_Field]} = $deviceName ]] && \ |
|---|
| 218 | v[$DEV_NAME_Field]=$newDeviceName |
|---|
| 219 | ;; |
|---|
| 220 | |
|---|
| 221 | $SG_ETCFS ) # This is an /etc/filesystem line. |
|---|
| 222 | # If the line is for our file system, replace the |
|---|
| 223 | # existing file system name with the new one. |
|---|
| 224 | # If it is the line for the device name, change the |
|---|
| 225 | # device name to reflect the new device name as well. |
|---|
| 226 | if [[ ${v[$DEV_NAME_Field]} = $deviceName ]] |
|---|
| 227 | then |
|---|
| 228 | v[$DEV_NAME_Field]=$newDeviceName |
|---|
| 229 | if [[ ${v[$LINE_NUMBER_Field]} = $DEV_Line ]] |
|---|
| 230 | then |
|---|
| 231 | v[$ETCFS_TEXT_Field]="$DEV_Line_Prefix$newfqDeviceName" |
|---|
| 232 | fi |
|---|
| 233 | fi |
|---|
| 234 | ;; |
|---|
| 235 | |
|---|
| 236 | * ) # Pass all other lines without a change. |
|---|
| 237 | ;; |
|---|
| 238 | |
|---|
| 239 | esac # end Change some of the fields |
|---|
| 240 | |
|---|
| 241 | # Build and write the line to the new mmsdrfs file. |
|---|
| 242 | print_newLine >> $newsdrfs |
|---|
| 243 | checkForErrors "writing to file $newsdrfs" $? |
|---|
| 244 | |
|---|
| 245 | IFS=":" # Change the separator back to ":" for the next iteration. |
|---|
| 246 | |
|---|
| 247 | done # end while read -u3 sdrfsLine |
|---|
| 248 | |
|---|
| 249 | IFS="$IFS_sv" # Restore the default IFS settings. |
|---|
| 250 | |
|---|
| 251 | |
|---|
| 252 | #################################################################### |
|---|
| 253 | # Invoke tschfs with the -W parameter to rename the file system. |
|---|
| 254 | # This call, if successful, schedules the fs name change. |
|---|
| 255 | # The change is committed or rolled back depending on what name |
|---|
| 256 | # is used on the next file system request. This in turn will |
|---|
| 257 | # depend on whether the mmsdrfs changes are successfully committed. |
|---|
| 258 | #################################################################### |
|---|
| 259 | $mmcommon onactive $preferredNode $nodefile \ |
|---|
| 260 | $NO_FILE_COPY $fqDeviceName $CHECK_ALL $NO_LINK \ |
|---|
| 261 | tschfs $fqDeviceName -W $newDeviceName |
|---|
| 262 | rc=$? |
|---|
| 263 | if [[ $rc -ne 0 ]] |
|---|
| 264 | then |
|---|
| 265 | # The tschfs step failed. |
|---|
| 266 | printErrorMsg 104 $mmcmd tschfs |
|---|
| 267 | cleanupAndExit |
|---|
| 268 | fi |
|---|
| 269 | |
|---|
| 270 | |
|---|
| 271 | ############################################################ |
|---|
| 272 | # Replace the mmsdrfs file in the sdr with the new version. |
|---|
| 273 | ############################################################ |
|---|
| 274 | trap "" HUP INT QUIT KILL |
|---|
| 275 | gpfsObjectInfo=$(commitChanges \ |
|---|
| 276 | $nsId $nsId $gpfsObjectInfo $newGenNumber $newsdrfs $primaryServer) |
|---|
| 277 | rc=$? |
|---|
| 278 | if [[ $rc -ne 0 ]] |
|---|
| 279 | then |
|---|
| 280 | # Cannot replace the file in the sdr. |
|---|
| 281 | printErrorMsg 381 $mmcmd |
|---|
| 282 | cleanupAndExit |
|---|
| 283 | fi |
|---|
| 284 | |
|---|
| 285 | |
|---|
| 286 | ###################################################################### |
|---|
| 287 | # Finalize the stripe group descriptor changes (see comments above) |
|---|
| 288 | # by making a simple mmlsfs call to force the daemon to open the |
|---|
| 289 | # file system. The -r option on mmlsfs is an arbitrary choice. |
|---|
| 290 | ###################################################################### |
|---|
| 291 | $mmcommon linkCommand \ |
|---|
| 292 | $preferredNode $nodefile mmlsfs $newfqDeviceName -r > /dev/null 2>&1 |
|---|
| 293 | |
|---|
| 294 | |
|---|
| 295 | ################### |
|---|
| 296 | # Unlock the sdr. |
|---|
| 297 | ################### |
|---|
| 298 | freeLockOnServer $primaryServer $ourNodeNumber >/dev/null |
|---|
| 299 | sdrLocked=no |
|---|
| 300 | trap posttrap HUP INT QUIT KILL |
|---|
| 301 | |
|---|
| 302 | |
|---|
| 303 | ######################################################### |
|---|
| 304 | # Propagate the changes to all the nodes in the cluster. |
|---|
| 305 | ######################################################### |
|---|
| 306 | propagateSdrfsFile async $nodefile $newsdrfs $newGenNumber |
|---|
| 307 | |
|---|
| 308 | |
|---|
| 309 | ################################################### |
|---|
| 310 | # If installed, invoke the syncfsconfig user exit. |
|---|
| 311 | ################################################### |
|---|
| 312 | if [[ -x $syncfsconfig ]] |
|---|
| 313 | then |
|---|
| 314 | print -- "$mmcmd: Starting $syncfsconfig ..." |
|---|
| 315 | $syncfsconfig |
|---|
| 316 | print -- "$mmcmd: $syncfsconfig finished." |
|---|
| 317 | fi |
|---|
| 318 | |
|---|
| 319 | cleanupAndExit 0 |
|---|
| 320 | |
|---|
