source: gpfs_3.1_ker2.6.20/lpp/mmfs/bin/mmlsnode @ 148

Last change on this file since 148 was 16, checked in by rock, 17 years ago
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File size: 6.7 KB
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[16]1#!/bin/ksh
2# IBM_PROLOG_BEGIN_TAG
3# This is an automatically generated prolog.
4
5
6
7# Licensed Materials - Property of IBM
8
9# (C) COPYRIGHT International Business Machines Corp. 1998,2005
10# All Rights Reserved
11
12# US Government Users Restricted Rights - Use, duplication or
13# disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
14
15# IBM_PROLOG_END_TAG
16# @(#)01 1.38 src/avs/fs/mmfs/ts/admin/mmlsnode.sh, mmfs, avs_rgpfs24, rgpfs240610b 10/3/05 11:59:22
17##########################################################################
18#
19#  List the names of the nodes that belong to a GPFS nodeset.
20#
21#  Usage:  mmlsnode { -C nodesetId | -a | -n nodename }
22#
23#  where
24#    nodesetId  is the name of the nodeset whose nodes are to be listed
25#    -C   display the names of the nodes that belong to nodesetId
26#    -a   display the names of all nodes in all GPFS nodesets
27#    -n   display the names of the nodes that belong to the same nodeset
28#         as nodename
29#
30##########################################################################
31
32# Include global declarations and service routines.
33. /usr/lpp/mmfs/bin/mmglobfuncs
34. /usr/lpp/mmfs/bin/mmsdrfsdef
35
36sourceFile="mmlsnode.sh"
37[[ -n $DEBUG || -n $DEBUGmmlsnode ]] && set -x
38$mmTRACE_ENTER "$*"
39
40# Local work files.  Names should be of the form:
41#   fn=${tmpDir}fn.${mmcmd}.$$
42
43LOCAL_FILES=" "
44
45# Local variables
46nodesetId=$GLOBAL_ID
47allOpt=""
48nOpt=""
49COpt=""
50nodeName=""
51usageMsg=184
52
53
54################################
55# Check the input arguments.
56################################
57[[ $arg1 = '-?' || $arg1 = '-h' || $arg1 = '--help' || $arg1 = '--' ]] && \
58  syntaxError "help" $usageMsg
59
60while getopts :an:C: OPT
61do
62  case $OPT in
63
64    a) # display all nodesets in the sdr
65       [[ -n $allOpt ]] && syntaxError "multiple" $noUsageMsg "-$OPT"
66       allOpt="-a"
67       [[ -n $nOpt ]] && \
68         syntaxError "invalidCombination" $usageMsg "-a" "-n"
69       [[ -n $COpt ]] && \
70         syntaxError "invalidCombination" $usageMsg "-a" "-C"
71       ;;
72
73    n) # display the nodes in the nodeset of the specified node
74       [[ -n $nOpt ]] && syntaxError "multiple" $noUsageMsg "-$OPT"
75       nOpt="-n"
76       nodeName=$OPTARG
77       [[ -n $allOpt ]] && \
78         syntaxError "invalidCombination" $usageMsg "-a" "-n"
79       [[ -n $COpt ]] && \
80         syntaxError "invalidCombination" $usageMsg "-C" "-n"
81       ;;
82
83    C) # display the nodes for the specified nodeset
84       [[ -n $COpt ]] && syntaxError "multiple" $noUsageMsg "-$OPT"
85       COpt="-C"
86       nodesetId=$OPTARG
87       [[ -n $allOpt ]] && \
88         syntaxError "invalidCombination" $usageMsg "-a" "-C"
89       [[ -n $nOpt ]] && \
90         syntaxError "invalidCombination" $usageMsg "-C" "-n"
91       ;;
92
93    :) syntaxError "missingValue" $usageMsg $OPTARG
94       ;;
95
96    +[aCn]) syntaxError "invalidOption" $usageMsg "$OPT"
97       ;;
98
99    *) syntaxError "invalidOption" $usageMsg $OPTARG
100       ;;
101
102  esac
103done
104
105shift OPTIND-1
106[[ $# -ne 0 ]] && syntaxError "extraArg" $usageMsg $1
107[[ $argc -eq 0 ]] && allOpt="-a"   # assume -a if nothing else is specified
108
109
110#######################################################################
111# Set up trap exception handling and call the gpfsInit function.
112# It will ensure that the local copy of the mmsdrfs and the rest of
113# the GPFS system files are up-to-date.  There is no need to lock
114# the sdr.
115#######################################################################
116trap pretrap2 HUP INT QUIT KILL
117gpfsInitOutput=$(gpfsInit nolock)
118setGlobalVar $? $gpfsInitOutput
119
120# If the nodeset id was not explicitly specified,
121# use the default nodeset returned from gpfsInit.
122[[ $nodesetId = "." ]] && \
123  nodesetId=$nsId
124
125if [[ $nodesetId = 0 ]]
126then
127  print -u2 "$mmcmd: The nodeset can not be determined.  Use the -C <nodesetId> option,"
128  print -u2 "or issue the command from a node that belongs to the desired nodeset."
129  cleanupAndExit
130fi
131
132
133########################################################################
134# If -n was specified, find the name of the nodeset that contains
135# the specified node.  To do this reliably, we first convert the name
136# into a node number.
137########################################################################
138if [[ -n $nOpt ]]
139then
140
141  # Find the IP address that corresponds to this node name.
142  hostResult=$($host $nodeName)
143  set -f ; set -- $hostResult ; set +f
144  ipa=${3%%,*}          # Exclude everything after the first comma.
145  if [[ -z $ipa ]]
146  then
147    # Invalid node name specified
148    printErrorMsg 54 $mmcmd $nodeName
149    cleanupAndExit
150  fi
151
152  # Find the nodeset to which this node number belongs.
153  nodesetId=$($awk -F: '                 \
154    /':$MEMBER_NODE:'/ {                 \
155      if ($'$IPA_Field' == "'$ipa'") {   \
156        { print $'$NODESETID_Field' }    \
157        { exit }                         \
158      }                                  \
159    }                                    \
160  ' $mmsdrfsFile)
161  rc=$?
162  if [[ $rc != 0 || -z $nodesetId ]]
163  then
164    if [[ $rc != 0 ]]
165    then
166      print -u2 "$mmcmd: A node name that is not valid was found in the mmsdrfs file."
167    else
168      print -u2 "$mmcmd: Node $nodeName does not belong to the GPFS cluster."
169    fi
170    cleanupAndExit
171  fi
172
173fi    #end of if [[ -n $nOpt ]]
174
175
176########################################################################
177# Create a list of the nodesets that will be displayed.
178# If the user requested a specific nodeset, or if the -n option
179# was specified, the list will consist of a single nodeset id.
180# If the user specified -a, then the value of $nodesetId is set
181# to the global id, and the call to getNodesetInfo will return
182# the names of all nodesets.
183########################################################################
184nodesetList=$(getNodesetInfo $NODESETID_Field $nodesetId $mmsdrfsFile)
185if [[ -z $nodesetList ]]
186then
187  if [[ $nodesetId = $GLOBAL_ID ]]
188  then
189    print -u2 "$mmcmd: There are no known GPFS nodesets."
190  else
191    print -u2 "$mmcmd: GPFS nodeset $nodesetId does not exist."
192  fi
193  cleanupAndExit
194fi
195
196clusterName=$($head -1 $mmsdrfsFile | $GETVALUE $CLUSTER_NAME_Field)
197
198#########################################################
199# Print out the node names for each nodeset in the list.
200#########################################################
201# Put out the header line.
202print -- "GPFS nodeset    Node list"
203print -- "-------------   -------------------------------------------------------"
204
205for nodesetId in $nodesetList
206do
207  nodeList=$(getNodeList $NODE_NAME_Field $nodesetId $mmsdrfsFile)
208  [[ $nodesetId = $HOME_CLUSTER ]] && nodesetId="${clusterName%%.*}"
209  printf "%2s %-8s %4s" "$BLANKchar" "$nodesetId" "$BLANKchar"
210  for nodeName in $nodeList
211  do
212    printf "%s " $nodeName
213  done
214  printf "\n"
215done
216
217
218#######################
219# Cleanup and return.
220#######################
221cleanupAndExit 0
222
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