Re: [PATCH 0/2] fixes for undeletable empty directory

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Am 04.12.2012 09:09, schrieb Yan, Zheng:
> These two patches fix MDS restart issues that may corrupt the fragstat accounting
> and cause undeletable empty directory. These two patches, together with the patch
> "mds: fix journaling issue regarding rstat accounting", have passed overnight
> "fsstress + restart MDS every 120s" test. No undeletable directory was found.
> 
> These patches are also in:
>   git://github.com/ukernel/ceph.git wip-mds

Thank you very much for working on MDS issues, your work gave me some
hope that our very long standing crashes at MDS failover could be fixed
soon.

Right now, we have our four node test cluster running with 0.55 and your
latest patches. Hopefully, today's stress test will work fine.

One question: with your latest patches, is a multiple MDS setup stable
in your tests? So far, we only tried with max mds = 1. As our work load
writes many small files, some load sharing for MDS would be nice to
have. I would be willing to help with tests and reports, if needed.

Amon Ott
-- 
Dr. Amon Ott
m-privacy GmbH           Tel: +49 30 24342334
Am Köllnischen Park 1    Fax: +49 30 99296856
10179 Berlin             http://www.m-privacy.de

Amtsgericht Charlottenburg, HRB 84946

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 Dipl.-Kfm. Holger Maczkowsky,
 Roman Maczkowsky

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