GPFS on AIX
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On GPFS node sometime AIX admin need to stop GPFS on that specific node.
command for that is:
mmshutdown -N nodename //stop gpfs service on only specific node
mmshutdown -a //it will stop GPFS on all node of cluster
mmgetstate -aLs //show status of GPFS cluster,generally use for GPFS cluster health check
mmstartup -a //It will start GPFS on all cluster node
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