issues with project quota over nfs

issues with project quota over nfs

[brian wince]

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All,
We have a Quad-core server running gentoo 2.6.27-r7 that is used as an nfs server for a xfs partition.
We are using project quota's on directories within this partition and exporting this.
When a client tries to untar in the dir with project quotas set and reaches the quota limit the load on the NFS server goes up dramatically and stays like this for a few minutes after the tar has gone through trying to write all of it files and failing due to quota limit exceeded.

Is this a known issue and if so is there anything that can be done to resolve this.

We do not see this issue if on the locally mounted partition. This only happens over NFS.

Please let me know if you need more information or if this should be addressed on a different list.

TIA,

Brian


      

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Re: issues with project quota over nfs

[Greg Banks]

brian wince wrote:
> All,
> We have a Quad-core server running gentoo 2.6.27-r7 that is used as an
> nfs server for a xfs partition.
> We are using project quota's on directories within this partition and
> exporting this.
> When a client tries to untar in the dir with project quotas set and
> reaches the quota limit the load on the NFS server goes up
> dramatically and stays like this for a few minutes after the tar has
> gone through trying to write all of it files and failing due to quota
> limit exceeded.
>  
> Is this a known issue and if so is there anything that can be done to
> resolve this.

You probably want to update the client kernels to have this commit:

http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git&a=commit&h=7b159fc18d417980f57aef64cab3417ee6af70f8
>  
> We do not see this issue if on the locally mounted partition. This
> only happens over NFS.
>  
> Please let me know if you need more information or if this should be
> addressed on a different list.

You should ask NFS questions on the NFS list, linux-nfs@vger.kernel.org.

-- 
Greg Banks, P.Engineer, SGI Australian Software Group.
the brightly coloured sporks of revolution.
I don't speak for SGI.

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