#!/bin/ksh # IBM_PROLOG_BEGIN_TAG # This is an automatically generated prolog. # # # # Licensed Materials - Property of IBM # # (C) COPYRIGHT International Business Machines Corp. 1999,2006 # All Rights Reserved # # US Government Users Restricted Rights - Use, duplication or # disclosure restricted by GSA ADP Schedule Contract with IBM Corp. # # IBM_PROLOG_END_TAG # @(#)13 1.3.3.20 src/avs/fs/mmfs/ts/admin/mmshutdown.sh, mmfs, avs_rgpfs24, rgpfs240610b 1/23/06 02:25:22 ############################################################################## # # GPFS filesystems on the specified nodes will be unmounted and then # the GPFS daemons on the specified nodes will be shut down. # # Usage: # # mmshutdown [ -t unmountTimeout ] # [-a | -N {Node[,Node...] | NodeFile | NodeClass}] # # where: # # -t timeout Will timeout the unmount command after this amount of time # and shut the GPFS daemons down anyway. # # -a Stop the daemon on all nodes in the GPFS cluster. # # -N Node,Node,... Specify the nodes to be shut down. # -N NodeFile NodeClass may be one of several possible node classes # -N NodeClass (e.g., quorumnodes, managernodes, nsdnodes, etc.) # # # If not explicitly specified otherwise, the daemon is shut down on the local # node only. # # # Obsolete options: # # -C NodesetId Start the daemon on all nodes in the specified nodeset. # Assumed to be the same as -a. # # -W NodeFile Start the daemon on all nodes whose reliable hostnames # are listed one per line in NodeFilename. # Cannot be specified with -a, -N, -w, or -n. # # -w nodenames Start the daemon on all nodes whose reliable hostnames # are in the comma-separated nodenames list. # Cannot be specified with -a, -N or -W. # If both -w and -n are specified, the lists are combined. # # -n nodenums Start the daemon on all nodes whose node numbers are # in the comma-separated nodenums list. # Cannot be specified with -a, -N, or -W. # If both -w and -n are specified, the lists are combined. # ############################################################################## # Include global declarations and service routines. . /usr/lpp/mmfs/bin/mmglobfuncs . /usr/lpp/mmfs/bin/mmsdrfsdef sourceFile="mmshutdown.sh" [[ -n $DEBUG || -n $DEBUGmmshutdown ]] && set -x $mmTRACE_ENTER "$*" # Local variables usageMsg=246 typeset -i maxTimeout=900 typeset -i timeout=0 typeset -i nodes=0 rc=0 ####################### # Mainline processing ####################### ################################## # Process each of the arguments. ################################## [[ $arg1 = '-?' || $arg1 = '-h' || $arg1 = '--help' || $arg1 = '--' ]] && \ syntaxError "help" $usageMsg while getopts :aC:n:N:t:W:w: OPT do case $OPT in a) [[ -n $aflag ]] && syntaxError "multiple" $noUsageMsg "-$OPT" aflag="-$OPT" [[ -n $Cflag || -n $Wflag || -n $wflag || -n $nflag || -n $Nflag ]] && \ syntaxError "invalidCombination" \ $usageMsg $aflag $Cflag $Wflag $wflag $nflag $Nflag callGpfsInit=yes ;; C) # syntaxError "obsoleteOption" $usageMsg "-$OPT" [[ -n $Cflag ]] && syntaxError "multiple" $noUsageMsg "-$OPT" Cflag="-$OPT" nodesetId="$OPTARG" [[ -n $aflag || -n $Wflag || -n $wflag || -n $nflag || -n $Nflag ]] && \ syntaxError "invalidCombination" \ $usageMsg $Cflag $aflag $Wflag $wflag $nflag $Nflag callGpfsInit=yes ;; n) [[ -n $nflag ]] && syntaxError "multiple" $noUsageMsg "-$OPT" nflag="-$OPT" nodenums="$OPTARG" [[ -n $Cflag || -n $Wflag || -n $aflag || -n $Nflag ]] && \ syntaxError "invalidCombination" \ $usageMsg $nflag $Cflag $Wflag $aflag $Nflag callGpfsInit=yes ;; N) [[ -n $Nflag ]] && syntaxError "multiple" $noUsageMsg "-$OPT" Nflag="-$OPT" nodenames="$OPTARG" [[ -n $Cflag || -n $Wflag || -n $aflag || -n $nflag || -n $wflag ]] && \ syntaxError "invalidCombination" \ $usageMsg $Nflag $Cflag $Wflag $aflag $nflag $wflag callGpfsInit=yes ;; t) [[ -n $tflag ]] && syntaxError "multiple" $noUsageMsg "-$OPT" tflag="-$OPT" timeout=$(checkIntRange $tflag $OPTARG) [[ $? -ne 0 ]] && cleanupAndExit ;; W) [[ -n $Wflag ]] && syntaxError "multiple" $noUsageMsg "-$OPT" Wflag="-$OPT" Wcoll="$OPTARG" [[ -n $Cflag || -n $aflag || -n $wflag || -n $nflag || -n $Nflag ]] && \ syntaxError "invalidCombination" \ $usageMsg $Wflag $Cflag $aflag $wflag $nflag $Nflag ;; w) [[ -n $wflag ]] && syntaxError "multiple" $noUsageMsg "-$OPT" wflag="-$OPT" nodenames="$OPTARG" [[ -n $Cflag || -n $Wflag || -n $aflag || -n $Nflag ]] && \ syntaxError "invalidCombination" \ $usageMsg $wflag $Cflag $Wflag $aflag $Nflag ;; :) syntaxError "missingValue" $usageMsg $OPTARG ;; +[aCnNtwW]) syntaxError "invalidOption" $usageMsg "$OPT" ;; *) syntaxError "invalidOption" $usageMsg $OPTARG ;; esac done # end of while getopts :aC:n:N:t:W:w: OPT do shift OPTIND-1 [[ $# != 0 ]] && syntaxError "extraArg" $usageMsg $1 # Rather than fail, convert the obsolete -C option to -a. [[ -n $Cflag ]] && aflag="-a" ########################################################################### # Set up trap exception handling and call the gpfsInit function if needed. # It will ensure that the local copy of the mmsdrfs and the rest of the # GPFS system files are up-to-date. There is no need to lock the sdr. # Note: There is no need to call gpfsInit if we are trying to quickly # shut down the daemon on the local node only. ########################################################################### trap pretrap2 HUP INT QUIT KILL if [[ -n $callGpfsInit ]] then gpfsInitOutput=$(gpfsInit nolock) setGlobalVar $? $gpfsInitOutput fi ####################################################### # Create a file containing all of the specified nodes. ####################################################### if [[ -n $aflag ]] then # Get a list of the nodes. getNodeList $REL_HOSTNAME_Field $GLOBAL_ID $mmsdrfsFile > $nodefile elif [[ -n $Nflag ]] then # Convert the passed data into a file containing admin node names. createVerifiedNodefile $nodenames $REL_HOSTNAME_Field no $nodefile [[ $? -ne 0 ]] && cleanupAndExit elif [[ -n $Wflag ]] then # Verify the input file is readable. if [[ ! -f $Wcoll || ! -r $Wcoll ]] then printErrorMsg 43 $mmcmd $Wcoll cleanupAndExit fi # Filter out comment lines and localhost entries. $grep -v -e "localhost" -e "^#" "$Wcoll" > $tmpfile # Convert any entries in the node file into admin node names. if [[ -s $tmpfile ]] then createVerifiedNodefile $tmpfile $REL_HOSTNAME_Field no $nodefile [[ $? -ne 0 ]] && cleanupAndExit else # No node names were specified. printErrorMsg 328 $mmcmd $Wcoll cleanupAndExit fi else # Either no option was specified, or we have some combination of -w and -n. # Convert the node names list (if any) into a file. $rm -f $tmpfile if [[ -n $nodenames ]] then for i in $(print $nodenames | $tr "," " ") do print -- "$i" >> $tmpfile done fi # Append the node number list (if any) to the node file. if [[ -n $nodenums ]] then for i in $(print $nodenums | $tr "," " ") do print -- "$i" >> $tmpfile done fi # Convert the entries in the node file into admin node names. if [[ -s $tmpfile ]] then createVerifiedNodefile $tmpfile $REL_HOSTNAME_Field no $nodefile [[ $? -ne 0 ]] && cleanupAndExit fi fi # end of if [[ -n $aflag ]] # Determine the number of nodes that are affected by the command. [[ -s $nodefile ]] && nodes=$($cat $nodefile | $wc -l) # If a timeout value was not set, estimate one. if [[ $timeout = 0 ]] then (( timeout = 60 + 3 * nodes )) [[ $nodes -gt 500 ]] && \ (( maxTimeout = maxTimeout + nodes / 500 * 300 )) [[ $timeout -gt $maxTimeout ]] && timeout=$maxTimeout fi # Ensure we have the proper credentials. [[ $getCredCalled = no ]] && getCred ################################ # Unmount the GPFS filesystems. ################################ # Starting force unmount ... printInfoMsg 241 "$(date)" $mmcmd if [[ ! -s $nodefile ]] then # Unmount the gpfs file systems on the local node only. $mmremote unmountFileSystems all -f & pid=$! else # Unmount the gpfs file systems on a number of nodes. $mmcommon onall $nodefile $unreachedNodes unmountFileSystems all -f & pid=$! fi # Wait until the unmount command finishes or the timeout expires. waited=0 mincount=0 retrydelay=5 while [[ $waited -lt $timeout ]] do $sleep $retrydelay (( waited = waited + retrydelay )) (( mincount = mincount + retrydelay )) if ! kill -0 $pid 2>/dev/null then # unmount finished. waited=-1 break fi if [[ $mincount -ge 60 ]] then (( togo = timeout - waited )) mincount=0 printInfoMsg 242 "$(date)" $mmcmd $waited $togo fi done # while [[ $waited -lt $timeout ]] # Inform the user if the unmount did not finish. [[ $waited -gt 0 ]] && \ printInfoMsg 243 "$(date)" $mmcmd $waited ############################## # Shut down the GPFS daemons. ############################## printInfoMsg 244 "$(date)" $mmcmd if [[ ! -s $nodefile ]] then # Shut down GPFS on the local node only. $mmremote shutdownDaemon rc=$? else # Shut down GPFS on a number of nodes. $mmcommon onall $nodefile $unreachedNodes shutdownDaemon rc=$? fi # If any nodes could not be reached, tell the user which ones. if [[ -s $unreachedNodes ]] then # The following nodes could not be reached: . . . printErrorMsg 270 $mmcmd $cat $unreachedNodes 1>&2 fi # All finished. printInfoMsg 245 "$(date)" $mmcmd cleanupAndExit $rc