[16] | 1 | #!/bin/bash |
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| 2 | |
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| 3 | # SLES 9 only |
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| 4 | # This script is written in bash (instead of ksh) because it invokes SLES scripts |
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| 5 | |
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| 6 | # Check for pre-requisites (files) |
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| 7 | prereq() { |
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| 8 | for file in $*; do |
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| 9 | if [ ! -f $file ]; then |
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| 10 | echo "Cannot find $file. See /usr/lpp/mmfs/samples/nfscluster/README for uninstall instructions." |
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| 11 | exit 0 |
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| 12 | fi |
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| 13 | done |
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| 14 | } |
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| 15 | |
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| 16 | unconfig() { |
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| 17 | . /etc/rc.status |
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| 18 | |
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| 19 | rc_reset |
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| 20 | |
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| 21 | # Check for SUSE distribution |
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| 22 | dist=$( cat /etc/issue | grep "SUSE LINUX Enterprise Server 9" ) |
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| 23 | if [ "$dist" == "" ]; then |
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| 24 | die "$0 will work only for SUSE LINUX Enterprise Server 9" |
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| 25 | fi |
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| 26 | |
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| 27 | # Check the GPFS is not running |
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| 28 | gpfsIp=$(myGPFSIP) |
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| 29 | isRunning=$(mmfsadm dump version 2> /dev/null | grep "Current daemon version") |
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| 30 | if [ -n "$isRunning" ]; then |
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| 31 | echo "Error: GPFS has to be shutdown on $gpfsIp before uninstall can continue." |
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| 32 | return 1 |
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| 33 | fi |
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| 34 | |
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| 35 | echo -n "Removing GPFS system init script " |
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| 36 | if [ -f /etc/init.d/gpfs ]; then |
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| 37 | log insserv -d gpfs |
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| 38 | _unlink /etc/init.d/gpfs |
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| 39 | fi |
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| 40 | # Redo GPFS autoload in inittab |
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| 41 | sed -i 's/^# gpfs:\(.*\)# Disabled by HA-NFS/gpfs:\1/g' /etc/inittab |
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| 42 | rc_status -v |
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| 43 | |
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| 44 | # Reset default start mode of interfaces used for HA-NFS |
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| 45 | nfsIPs=$(getNfsIPs $gpfsIp) |
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| 46 | for ip in $nfsIPs; do |
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| 47 | # Find its ifcfg file |
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| 48 | ifcfg=$(getifcfg $ip) |
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| 49 | [ -z "$ifcfg" ] && continue |
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| 50 | iface=$(getifname $ifcfg) |
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| 51 | if grep -q "^STARTMODE.*='manual'" $ifcfg; then |
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| 52 | . $ifcfg |
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| 53 | for ipval in ${!IPADDR*}; do |
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| 54 | index=${ipval#IPADDR} |
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| 55 | ipaddr=${!ipval} |
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| 56 | if [ "$ip" == "$ipaddr" ]; then |
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| 57 | mode=STARTMODE$index |
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| 58 | break |
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| 59 | fi |
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| 60 | done |
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| 61 | # SuSE |
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| 62 | sed -i "s/^$mode='manual' # added for HA-NFS/$mode='onboot'/g" $ifcfg |
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| 63 | echo "Uninstallation has changed the start mode of interface $iface to onboot" |
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| 64 | elif grep -q "^ONBOOT=no" $ifcfg; then |
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| 65 | # RedHat |
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| 66 | sed -i "s/^ONBOOT=no # added for HA-NFS/^ONBOOT=yes/g" $ifcfg |
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| 67 | echo "Uninstallation has changed the start mode of interface $iface to onboot" |
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| 68 | fi |
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| 69 | done |
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| 70 | |
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| 71 | # Restore backup |
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| 72 | [ -d /var/mmfs/etc.bak ] && log rm -rf /var/mmfs/etc && log mv /var/mmfs/etc.bak /var/mmfs/etc |
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| 73 | |
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| 74 | # Reset files in /var/lib/nfs |
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| 75 | [ -L /var/lib/nfs/rmtab ] && _unlink /var/lib/nfs/rmtab && touch /var/lib/nfs/rmtab |
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| 76 | [ -L /var/lib/nfs/sm ] && _unlink /var/lib/nfs/sm && _mkdir /var/lib/nfs/sm |
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| 77 | [ -L /var/lib/nfs/sm.bak ] && _unlink /var/lib/nfs/sm.bak && _mkdir /var/lib/nfs/sm.bak |
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| 78 | rc_reset |
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| 79 | } |
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| 80 | |
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| 81 | defs=/var/mmfs/etc/nfsdefs |
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| 82 | funcs=/var/mmfs/etc/nfsfuncs |
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| 83 | uninstall_script=/var/mmfs/etc/uninstall_ha-nfs.sh |
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| 84 | |
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| 85 | prereq $defs $funcs $uninstall_script |
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| 86 | |
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| 87 | . $defs |
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| 88 | . $funcs |
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| 89 | . /etc/rc.status |
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| 90 | |
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| 91 | if [ -n "$GPFS_RSH" ]; then |
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| 92 | GPFS_rshPath=$(which $GPFS_RSH) |
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| 93 | else |
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| 94 | GPFS_rshPath=$(which rsh) |
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| 95 | fi |
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| 96 | if [ -n "$GPFS_RCP" ]; then |
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| 97 | GPFS_rcpPath=$(which $GPFS_RCP) |
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| 98 | else |
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| 99 | GPFS_rcpPath=$(which rcp) |
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| 100 | fi |
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| 101 | |
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| 102 | LOGFILE=/tmp/uninstall-ha-nfs.log |
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| 103 | > $LOGFILE |
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| 104 | |
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| 105 | allflag="" |
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| 106 | case $1 in |
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| 107 | -a) |
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| 108 | allflag=yes |
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| 109 | ;; |
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| 110 | -u) |
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| 111 | unconfig |
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| 112 | exit $? |
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| 113 | ;; |
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| 114 | *) |
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| 115 | ;; |
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| 116 | esac |
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| 117 | |
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| 118 | if [ -z "$allflag" ]; then |
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| 119 | unconfig |
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| 120 | else |
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| 121 | # Run configuration on all GPFS nodes |
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| 122 | gpfsIPs=$(getAllGPFSIPs) |
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| 123 | |
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| 124 | echo -n "Uninstalling HA-NFS on all nodes in the cluster " |
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| 125 | gpfsIPs=$(echo $gpfsIPs | sed 's/ /,/g') |
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| 126 | log mmdshcmdRC $gpfsIPs $uninstall_script -u |
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| 127 | if [ $? -ne 0 ]; then |
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| 128 | rc_failed 1 |
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| 129 | else |
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| 130 | rc_reset |
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| 131 | fi |
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| 132 | rc_status -v |
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| 133 | fi |
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| 134 | |
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| 135 | RC=$? |
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| 136 | grep "Error:" $LOGFILE |
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| 137 | [ -s $LOGFILE ] && echo -n "See $LOGFILE for details." |
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| 138 | echo "" |
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| 139 | exit $RC |
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