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September 16th, 2014 14:00
If useQuotaInFsStat is set to 0 and I would like to modify it to 1, impact?
One of our EMC Array is set to userQuotaInFsStat 0. This causes incorrect displays on unix/linux servers when issuing the df command. I would like to set it to 1 to fix the issue but I am not sure of the impact.
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Rainer_EMC
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September 17th, 2014 01:00
From the Quotas Manual:
When NFS clients use the UNIX system's df -k command to view the disk space usage of
file systems shared from the VNX system, by default the output shows the free space available
on the whole file system rather than just the free space available when user, group, or tree
quotas are applied. This output can be misleading to the user, who may believe more space
is available than is actually the case.
This section shows how to change the useQuotasInFsStat parameter to enable the df command
to reflect quotas in the disk-space-usage statistics for file systems. When user or group quotas
are in effect, the UID or GID of the client running the df command is used to fetch the quota
limits for that user or group.
To view the current parameter setting, use this command syntax:
server_param -f quota -i useQuotaInFsStat
cvsjoe
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April 21st, 2015 06:00
I recently changed the useQuotaInFsStat to 1, on five Celerras (VG8/VNX8K/NS-80), with a mix of Solaris, AIX, and Linux clients. There was zero impact, and the Unix admins were happy to have df report the size of the quota.