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Re: XFS memory recomendation?

To: xfs@xxxxxxxxxxx
Subject: Re: XFS memory recomendation?
From: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
Date: Sun, 19 Feb 2012 14:16:32 +0100
Cc: Eric Sandeen <sandeen@xxxxxxxxxx>, stan@xxxxxxxxxxxxxxxxx, "Assarsson, Emil" <Emil.Assarsson@xxxxxxxxxxxxxxxx>
In-reply-to: <4F3F0A4A.7050708@xxxxxxxxxx>
Organization: it-management http://it-management.at
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Am Freitag, 17. Februar 2012, 18:17:46 schrieb Eric Sandeen:
> http://xfs.org/index.php/XFS_FAQ#Q:_Which_factors_influence_the_memory
> _usage_of_xfs_repair.3F

I tried that, and it said "use 434":

xfs_repair -n -vv -m 1 /dev/mapper/vg_orion-lv_orion_data
Phase 1 - find and verify superblock...
        - max_mem = 1024, icount = 339648, imem = 1326, dblock 805304256, dmem 
= 393214
Required memory for repair is greater that the maximum specified with
the -m option. Please increase it to at least 434.

But when I tried with
# xfs_repair -n -vv -m 434 /dev/mapper/vg_orion-lv_orion_data
it said the same again. It only worked with 435:
# xfs_repair -n -vv -m 435 /dev/mapper/vg_orion-lv_orion_data
(is that what you call an off-by-1 error?)

Maybe that has been fixed already? This is
# xfs_repair -V
xfs_repair Version 3.1.6

BTW, this XFS is 3219644160 KB (3,2TB), used 2,9TB, has (df -i) 325364
inodes used, 293884 files in 31643 dirs. It seems mem usage primarily
comes from inodes, not from the size of the filesystem.

mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc

it-management Internet Services: Protéger
http://proteger.at [gesprochen: Prot-e-schee]
Tel: +43 660 / 415 6531

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