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Top Forums UNIX for Advanced & Expert Users du and df do not match on NFS share Post 302519356 by cjcox on Tuesday 3rd of May 2011 07:20:13 PM
Old 05-03-2011
Guessing that you're seeing a cache consistency problem. A common "feature" of using NFS. With NFS you are seeing an abstracted view of data (clients for example are not guaranteed to see the same view.. and what's physically present on the storage doesn't have to match up with any given client/server view). But we call it a filesystem and use the same kind of utilities on it that we use on "normal" filesystems.

There might be something more going on... I'm just taking a very wild guess.
 

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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)
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