[Lustre-discuss] Liblustreapi crash

Suvendra N. Dutta suvendra_dutta at harvard.edu
Thu Aug 21 04:29:35 PDT 2008


Just to be clear. The rquota code worked fine (but didn't do group quotas). My changes to the code caused the problems. 

Suvendra 



-----Original Message-----
From: lustre-discuss-bounces at lists.lustre.org
To: Andreas Dilger
CC: Tian ZhiYong; lustre-discuss at lists.lustre.org
Sent: Thu Aug 21 07:25:18 2008
Subject: Re: [Lustre-discuss] Liblustreapi crash

My first post was code based on Jim Garlick's rquota code. That is what
crashed the MDS.

Suvendra.


On 8/21/08 5:12 AM, "Andreas Dilger" <adilger at sun.com> wrote:

> On Aug 19, 2008  10:36 -0400, Suvendra Nath Dutta wrote:
>> Since this got no response, I wanted to add that fundamentally we just want
>> to get group quota limits. So right now we are reduced to calling lfs quota
>> -g group and then parsing the output of that call to something sensible and
>> printing to screen. Is this the expected protocol? Any thought on how to
>> make this work seamlessly through linux quota?
> 
> The problem with the linux quota tools (and the API in general) is that
> it requires a block device to work on, which just doesn't exist for a
> network filesystem.
> 
> I know that both LLNL and NERSC have modified quota tools that work for
> both Lustre and other filesystems, using the llapi_quotactl() function
> instead of calling the quotactl() syscall for Lustre filesystems.
> 
> Cheers, Andreas
> --
> Andreas Dilger
> Sr. Staff Engineer, Lustre Group
> Sun Microsystems of Canada, Inc.
> 

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