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ctdb-scripts: Remove old NFS checking code
Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This commit is contained in:
Martin Schwenke
Amitay Isaacs
parent
74428e5c14
commit
49c4d1900c
@ -258,216 +258,6 @@ program_stack_traces ()
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done
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}
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######################################################
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# Check that an RPC service is healthy -
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# this includes allowing a certain number of failures
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# before marking the NFS service unhealthy.
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#
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# usage: nfs_check_rpc_service SERVICE_NAME [ triple ...]
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#
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# each triple is a set of 3 arguments: an operator, a
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# fail count limit and an action string.
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#
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# For example:
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#
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# nfs_check_rpc_service "lockd" \
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# -ge 15 "verbose restart unhealthy" \
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# -eq 10 "restart:bs"
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#
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# says that if lockd is down for 15 iterations then do
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# a verbose restart of lockd and mark the node unhealthy.
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# Before this, after 10 iterations of failure, the
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# service is restarted silently in the background.
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# Order is important: the number of failures need to be
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# specified in reverse order because processing stops
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# after the first condition that is true.
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######################################################
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nfs_check_rpc_service ()
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{
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_prog_name="$1" ; shift
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if _nfs_check_rpc_common "$_prog_name" ; then
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return
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fi
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while [ -n "$3" ] ; do
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if _nfs_check_rpc_action "$1" "$2" "$3" ; then
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break
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fi
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shift 3
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done
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}
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# The new way of doing things...
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nfs_check_rpc_services ()
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{
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# Files must end with .check - avoids editor backups, RPM fu, ...
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for _f in "${CTDB_BASE}/nfs-rpc-checks.d/"[0-9][0-9].*.check ; do
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_t="${_f%.check}"
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_prog_name="${_t##*/[0-9][0-9].}"
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# If $_prog_name contains '@' then the bit after it is the
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# address family.
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_family="${_prog_name#*@}"
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if [ "$_family" = "$_prog_name" ] ; then
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_family=""
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else
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_prog_name="${_prog_name%@*}"
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fi
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if _nfs_check_rpc_common "$_prog_name" "$_family" ; then
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# This RPC service is up, check next service...
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continue
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fi
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# Check each line in the file in turn until one of the limit
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# checks is hit...
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while read _cmp _lim _rest ; do
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# Skip comments
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case "$_cmp" in
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\#*) continue ;;
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esac
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if _nfs_check_rpc_action "$_cmp" "$_lim" "$_rest" ; then
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# Limit was hit on this line, no further checking...
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break
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fi
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done <"$_f"
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done
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}
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_nfs_check_rpc_common ()
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{
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_prog_name="$1"
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_family="$2"
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# Some platforms don't have separate programs for all services.
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case "$_prog_name" in
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statd)
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type "rpc.${_prog_name}" >/dev/null 2>&1 || return 0
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esac
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case "$_prog_name" in
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nfsd)
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_rpc_prog=nfs
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_version=3
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;;
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mountd)
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_rpc_prog=mountd
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_version=1
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;;
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rquotad)
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_rpc_prog=rquotad
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_version=1
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;;
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lockd)
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_rpc_prog=nlockmgr
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_version=4
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;;
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statd)
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_rpc_prog=status
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_version=1
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;;
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*)
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echo "Internal error: unknown RPC program \"$_prog_name\"."
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exit 1
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esac
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_service_name="nfs_${_prog_name}${_family:+_}${_family}"
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if ctdb_check_rpc "$_rpc_prog" "$_version" "$_family" >/dev/null ; then
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ctdb_counter_init "$_service_name"
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return 0
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fi
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ctdb_counter_incr "$_service_name"
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return 1
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}
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_nfs_check_rpc_action ()
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{
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_cmp="$1"
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_limit="$2"
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_actions="$3"
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if ctdb_check_counter "quiet" "$_cmp" "$_limit" "$_service_name" ; then
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return 1
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fi
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for _action in $_actions ; do
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case "$_action" in
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verbose)
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echo "ERROR: $ctdb_check_rpc_out"
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;;
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restart)
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_nfs_restart_rpc_service "$_prog_name"
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;;
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restart:b)
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_nfs_restart_rpc_service "$_prog_name" true
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;;
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unhealthy)
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exit 1
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;;
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*)
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echo "Internal error: unknown action \"$_action\"."
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exit 1
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esac
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done
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return 0
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}
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_nfs_restart_rpc_service ()
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{
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_prog_name="$1"
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_background="${2:-false}"
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if $_background ; then
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_maybe_background="background_with_logging"
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else
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_maybe_background=""
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fi
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_p="rpc.${_prog_name}"
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case "$_prog_name" in
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nfsd)
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echo "Trying to restart NFS service"
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$_maybe_background startstop_nfs restart
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;;
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mountd)
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echo "Trying to restart $_prog_name [${_p}]"
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killall -q -9 "$_p"
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nfs_dump_some_threads "$_p"
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$_maybe_background $_p $RPCMOUNTDOPTS \
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${MOUNTD_PORT:+-p} $MOUNTD_PORT
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;;
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rquotad)
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echo "Trying to restart $_prog_name [${_p}]"
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killall -q -9 "$_p"
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nfs_dump_some_threads "$_p"
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$_maybe_background $_p ${RQUOTAD_PORT:+-p} $RQUOTAD_PORT
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;;
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lockd)
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echo "Trying to restart lock manager service"
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$_maybe_background startstop_nfslock restart
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;;
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statd)
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echo "Trying to restart $_prog_name [${_p}]"
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killall -q -9 "$_p"
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nfs_dump_some_threads "$_p"
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$_maybe_background $_p \
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${STATD_HOSTNAME:+-n} $STATD_HOSTNAME \
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${STATD_PORT:+-p} $STATD_PORT \
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${STATD_OUTGOING_PORT:+-o} $STATD_OUTGOING_PORT
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;;
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*)
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echo "Internal error: unknown RPC program \"$_prog_name\"."
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exit 1
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esac
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}
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######################################################
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# Check the health of NFS services
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#
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@ -1,2 +0,0 @@
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-ge 6 verbose restart:b unhealthy
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% 2 verbose restart:b
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@ -1,2 +0,0 @@
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% 10 verbose restart:b unhealthy
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-ge 2 verbose unhealthy
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@ -1,2 +0,0 @@
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-ge 6 verbose restart:b unhealthy
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% 2 verbose restart:b
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@ -1,2 +0,0 @@
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-ge 6 verbose restart:b unhealthy
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% 2 verbose restart:b
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@ -1,2 +0,0 @@
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-ge 6 verbose restart:b unhealthy
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% 2 verbose restart:b
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@ -1 +0,0 @@
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../../../config/nfs-rpc-checks.d
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