05-25-2012
Increase root filesystem on solaris zone using zpool
I have a solaris zone of 12 GB and i have to increase the / filesystem to 31GB as requested. Earlier I had expanded filesystems other than / by setting quota to new value like "zfs set quota=new value mountpoint" but I am not sure whether its a good practice in zfs because by default in my environment, the quota and reservation are set to NONE. So I am able to increase the space but I am not sure whether I am doing it the right way or not. Now when it comes to increasing / filesystem, I dont want to take chances and do something stupid. Let me know your views on how to increase the root filesytem of solaris zone using zpool.
FYI : When we see space from global zone using zpool, everything is just a filesystem with some space irrespective of whether its root or other filesystem but still some ideal and right way or views are welcome.
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QUOTA(1) General Commands Manual QUOTA(1)
NAME
quota - display disk usage and limits
SYNOPSIS
quota [ -F format-name ] [ -guvs | q ]
quota [ -F format-name ] [ -uvs | q ] user
quota [ -F format-name ] [ -gvs | q ] group
DESCRIPTION
quota displays users' disk usage and limits. By default only the user quotas are printed.
quota reports the quotas of all the filesystems listed in /etc/mtab. For filesystems that are NFS-mounted a call to the rpc.rquotad on the
server machine is performed to get the information.
OPTIONS
-F format-name
Show quota for specified format (ie. don't perform format autodetection). Possible format names are: vfsold (version 1 quota),
vfsv0 (version 2 quota), rpc (quota over NFS), xfs (quota on XFS filesystem)
-g Print group quotas for the group of which the user is a member. The optional
-u flag is equivalent to the default.
-v will display quotas on filesystems where no storage is allocated.
-s flag will make quota(1) try to choose units for showing limits, used space and used inodes.
-q Print a more terse message, containing only information on filesystems where usage is over quota.
Specifying both -g and -u displays both the user quotas and the group quotas (for the user).
Only the super-user may use the -u flag and the optional user argument to view the limits of other users. Non-super-users can use the the
-g flag and optional group argument to view only the limits of groups of which they are members.
The -q flag takes precedence over the -v flag.
DIAGNOSTICS
If quota exits with a non-zero status, one or more filesystems are over quota.
FILES
aquota.user or aquota.group
quota file at the filesystem root (version 2 quota, non-XFS filesystems)
quota.user or quota.group
quota file at the filesystem root (version 1 quota, non-XFS filesystems)
/etc/mtab default filesystems
SEE ALSO
quotactl(2), fstab(5), edquota(8), quotacheck(8), quotaon(8), repquota(8)
QUOTA(1)