* Re: umount xfs filesystem
[not found] <4A66C5E7.7050408@readytec.it>
@ 2009-07-24 12:52 ` Olaf Weber
2009-07-24 13:48 ` Michael Monnerie
0 siblings, 1 reply; 2+ messages in thread
From: Olaf Weber @ 2009-07-24 12:52 UTC (permalink / raw)
To: Daniele Nuzzo - Readytec SPA; +Cc: xfs
Daniele Nuzzo writes:
> hi,
> I think I need your advice-opinion ...
> I set up a system like CentOS 5.3, lvm, drbd 8.2, various systems raid
> (Adaptec aacraid or LSI MegaRAID with or without write back cache)
> after some time of work (a few hours or days) do the umount is
> slow... even a few minutes ... why?
> I have already disabled barrier and write cache on drbd, but not on
> the controller or the sas drives... ideas?
> thanks a lot.
> p.s.
> drbd partitions formatted with the default options.
On unmount the system has flush all dirty data to disk. Depending on
the amount of data in memory, this might take a while.
I'm not claiming this is definitely the case here, but it is an
obvious candidate.
--
Olaf Weber SGI Phone: +31(0)30-6696752
Veldzigt 2b Fax: +31(0)30-6696799
Technical Lead 3454 PW de Meern Vnet: 955-7151
Storage Software The Netherlands Email: olaf@sgi.com
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[not found] <4A66C5E7.7050408@readytec.it>
2009-07-24 12:52 ` umount xfs filesystem Olaf Weber
2009-07-24 13:48 ` Michael Monnerie
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