source: gpfs_3.1_ker2.6.20/lpp/mmfs/samples/nfscluster/nfsrecovernode.scr @ 108

#!/bin/ksh
# @(#)66  1.8.1.3  src/avs/fs/mmfs/samples/nfscluster/nfsrecovernode.scr, mmfs, avs_rgpfs24, rgpfs24s009a 12/18/06 10:34:58
#

if [ ! -f /var/mmfs/etc/nfsfuncs ]; then
    echo "$0: Can't find NFS functions in /var/mmfs/etc"
    exit 0
fi
. /var/mmfs/etc/nfsfuncs

# Main

[ -f $NODELIST ] || die "$0: NFS cluster was not defined (no $NODELIST file)"

# Usage: nfsrecovernode.scr phase node [failed_nodes]
phase=$1
me=$2
shift 2
failed_nodes=$*

if [ "$phase" == "1" ]; then
    debugmsg "Start node recovery for $failed_nodes"

    for fip in $failed_nodes; do
  takeover_node=$(selectNode $fip)

  [ -z "$takeover_node" ] && die "Error: no takeover node"

  if [ "$me" == "$takeover_node" ]; then
      debugmsg "Do recovery for node $fip"
      IPtakeover $me $fip
      debuglog ls -A $SHARED_RECOVERY/$fip
            # recover nodes that were recovered by the failed node
      for node in $(ls -A $SHARED_RECOVERY/$fip 2> /dev/null); do
    debugmsg "Takeover node is $takeover_node. Do 2nd recovery for node $node"
    IPtakeover $me $node
    _unlink ${SHARED_RECOVERY}/$fip/$node
      done
  else
      debuglog touch ${SHARED_RECOVERY}/$takeover_node/$fip
      for node in $(ls -A $SHARED_RECOVERY/$fip 2> /dev/null); do
            debuglog cp ${SHARED_RECOVERY}/$node/* ${SHARED_RECOVERY}/$takeover_node 2> /dev/null
      done
  fi
    done

    checkDynamicGrace
    [ $? -eq 0 ] && startReclaim $me
fi