Last change
on this file since 232 was
16,
checked in by rock, 16 years ago
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Property svn:executable set to
*
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File size:
1.7 KB
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Rev | Line | |
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[16] | 1 | #!/bin/ksh |
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| 2 | # @(#)65 1.5.1.2 src/avs/fs/mmfs/samples/nfscluster/nfsnodeback, mmfs, avs_rgpfs24, rgpfs24s006a 8/17/06 17:09:15 |
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| 3 | # |
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| 4 | |
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| 5 | if [ ! -f /var/mmfs/etc/nfsfuncs ]; then |
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| 6 | echo "$0: Can't find NFS functions in /var/mmfs/etc" |
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| 7 | exit 0 |
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| 8 | fi |
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| 9 | . /var/mmfs/etc/nfsfuncs |
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| 10 | |
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| 11 | debugmsg "gpfs_ip $1 failover_ip $2 recovering_ip $3" |
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| 12 | |
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| 13 | hard_failback() { |
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| 14 | [ $# -lt 3 ] && die "Usage: $0 gpfs_ip failover_ip" |
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| 15 | |
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| 16 | gpfs_ip=$1 |
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| 17 | failover_ip=$2 |
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| 18 | recovering_ip=$3 |
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| 19 | |
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| 20 | # 1. all nodes go in to grace period |
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| 21 | # Note: this is already done by nfsgrace |
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| 22 | # startGrace |
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| 23 | # msg "NLM grace period started due to recovery of node ($recovering_ip)" |
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| 24 | |
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| 25 | # 2. only recovery node release IP addresses of node that joined back |
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| 26 | if [ "$gpfs_ip" == "$failover_ip" ]; then |
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| 27 | nfsips=$(getNfsIPs $recovering_ip) |
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| 28 | msg "Node $recovering_ip has recovered; releasing its IP address(es) $nfsips" |
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| 29 | |
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| 30 | [ $hardMount -eq 1 ] && nfsService soft-restart |
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| 31 | |
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| 32 | for ip in $nfsips; do |
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| 33 | ifDown $ip |
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| 34 | done |
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| 35 | fi |
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| 36 | |
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| 37 | # 3. all node start lock recovery |
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| 38 | startReclaim $gpfs_ip |
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| 39 | } |
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| 40 | |
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| 41 | soft_failback() { |
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| 42 | [ $# -lt 2 ] && die "Usage: $0 gpfs_ip failover_ip" |
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| 43 | gpfs_ip=$1 |
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| 44 | recovering_ip=$2 |
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| 45 | |
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| 46 | nfsips=$(getNfsIPs $recovering_ip) |
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| 47 | msg "Node $recovering_ip has recovered; releasing its IP address(es) $nfsips" |
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| 48 | |
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| 49 | [ $hardMount -eq 1 ] && nfsService soft-restart |
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| 50 | |
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| 51 | for ip in $nfsips; do |
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| 52 | ifDown $ip |
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| 53 | done |
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| 54 | |
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| 55 | resetLockd |
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| 56 | |
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| 57 | msg "All NLM locks have been released due to recovery of node ($recovering_ip)" |
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| 58 | startReclaim $gpfs_ip |
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| 59 | for failed_node in $(ls -A $SHARED_RECOVERY/$gpfs_ip); do |
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| 60 | startReclaim $failed_node |
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| 61 | done |
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| 62 | } |
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| 63 | |
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| 64 | if [ $# -ge 3 ]; then |
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| 65 | hard_failback $* |
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| 66 | else |
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| 67 | soft_failback $* |
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| 68 | fi |
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