GPFS: Administration and Programming Reference - IRA Home

mmquotaon Command
Name
mmquotaon – Activates quota limit checking.
Synopsis
mmquotaon [-u] [-g] [-j] [-v] {Device [Device...] | -a}
Description
The mmquotaon command enables quota limit checking by GPFS.
If none of: -u, -j or -g is specified, the mmquotaon command activates quota limit checking for users,
groups, and filesets.
If the -a option is not used, Device must be the last parameter specified.
After quota limit checking has been activated by issuing the mmquotaon command, issue the
mmcheckquota command to count inode and space usage.
Parameters
Device[ Device ... ]
The device name of the file system to have quota limit checking activated.
Options
If more than one file system is listed, the names must be delimited by a space. File system names
need not be fully-qualified. fs0 is just as acceptable as /dev/fs0.
-a Activates quota limit checking for all of the GPFS file systems in the cluster. When used in
combination with the -g option, only group quota limit checking is activated. When used in
combination with the -u or -j option, only user or fileset quota limit checking, respectively, is
activated.
-g Specifies that only group quota limit checking is to be activated.
-j Specifies that only fileset quota checking is to be activated.
-u Specifies that only user quota limit checking is to be activated.
-v Prints a message for each file system in which quota limit checking is activated.
Exit status
0 Successful completion.
nonzero A failure has occurred.
Security
You must have root authority to run the mmquotaon command.
GPFS must be running on the node from which the mmquotaon command is issued.
Examples
1. To activate user quotas on file system fs0, issue this command:
mmquotaon -u fs0
238 GPFS: Administration and Programming Reference