* 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 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: umount xfs filesystem 2009-07-24 12:52 ` umount xfs filesystem Olaf Weber @ 2009-07-24 13:48 ` Michael Monnerie 0 siblings, 0 replies; 2+ messages in thread From: Michael Monnerie @ 2009-07-24 13:48 UTC (permalink / raw) To: xfs [-- Attachment #1.1: Type: text/plain, Size: 707 bytes --] On Freitag 24 Juli 2009 Olaf Weber wrote: > 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. The OP should try sync umount then he could see if sync takes long or umount mfg zmi -- // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0660 / 415 65 31 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import" // Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4 // Keyserver: wwwkeys.eu.pgp.net Key-ID: 1C1209B4 [-- Attachment #1.2: This is a digitally signed message part. --] [-- Type: application/pgp-signature, Size: 197 bytes --] [-- Attachment #2: Type: text/plain, Size: 121 bytes --] _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs ^ permalink raw reply [flat|nested] 2+ messages in thread
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2009-07-24 12:52 ` umount xfs filesystem Olaf Weber
2009-07-24 13:48 ` Michael Monnerie
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