From: Gionatan Danti <g.danti@assyoma.it>
To: linux-xfs@vger.kernel.org
Cc: g.danti@assyoma.it
Subject: Re: Estimate xfs_repair run time
Date: Sat, 19 Aug 2017 14:14:23 +0200 [thread overview]
Message-ID: <d80ca25cd28ec433c39a7d7d22c4e371@assyoma.it> (raw)
In-Reply-To: <22ed5cf73260ae39bf59779b302d8ad3@assyoma.it>
Sorry, reposting to CC me...
Il 19-08-2017 12:05 Gionatan Danti ha scritto:
> Hi list,
> using XFS on relatively big filesystems (> 8TB) I was wondering if it
> is possible to estimate how much time an emergency "xfs_repair" would
> take.
>
> Some specific questions:
> - will total time depend on how much the filesystem is filled (I think
> so...)?
> - will total time depend on how data are layed on the physical disks
> (ie: fragmented vs sequential)?
> - will total time scale down with increasing spindle count (ie: single
> disk vs 4-way RAID10)?
>
> On a related question: I generally use LVM to segregate/isolate my
> virtual machine images. In this manner, even a completely blowed up
> filesystem on one LV can not affect other LV.
>
> How do you feel using a single big LV + XFS + preallocated RAW disk
> images? Can a problem on the main XFS filesystem be contained on only
> some VM files, or it really risks to destroy the entire filesystem?
>
> Thank you all.
--
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.danti@assyoma.it - info@assyoma.it
GPG public key ID: FF5F32A8
next prev parent reply other threads:[~2017-08-19 12:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-19 10:05 Estimate xfs_repair run time Gionatan Danti
2017-08-19 12:14 ` Gionatan Danti [this message]
2017-08-19 15:48 ` Darrick J. Wong
2017-08-19 16:15 ` Gionatan Danti
2017-08-19 16:20 ` Darrick J. Wong
2017-08-19 16:39 ` Gionatan Danti
2017-08-20 2:04 ` Dave Chinner
2017-08-20 5:05 ` Gionatan Danti
2017-08-20 2:10 ` Eric Sandeen
2017-08-20 5:07 ` Gionatan Danti
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