Why the process "mmfsd" is taking more cpu on GPFS node ?

Solution Unverified - Updated -

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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