Why the process "mmfsd" is taking more cpu on GPFS node ?
Issue
- The process "mmfsd" is taking more cpu on GPFS node.
# grep -i mmfs var/log/messages
Jun 29 09:03:01 Hostname sudo: ibmadmin : TTY=pts/2 ; PWD=/home/ibmadmin ; USER=root ; COMMAND=/usr/bin/tail -f /var/adm/ras/mmfs.log.latest
Jun 29 09:04:04 Hostname mmfs: Error=MMFS_SYSTEM_UNMOUNT, ID=0xC954F85D, Tag=9505284: Unrecoverable file system operation error. Status code 212. Volume gpfsdev_U99
Jun 29 09:04:04 Hostname mmfs: Error=MMFS_SYSTEM_UNMOUNT, ID=0xC954F85D, Tag=9505285: Unrecoverable file system operation error. Status code 212. Volume gpfsdev_U03
Jun 29 13:45:01 Hostname mmfs: Error=MMFS_SYSTEM_UNMOUNT, ID=0xC954F85D, Tag=9522141: Unrecoverable file system operation error. Status code 212. Volume gpfsdev_U03
Environment
- Red Hat Enterprise Linux 6.5
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