On Sat, Aug 19, 2017 at 02:14:23PM +0200, Gionatan Danti wrote: > 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? Should work fine; be sure to set the extent size hint to reduce fragmentation. --D > > > >Thank you all. > > -- > Danti Gionatan > Supporto Tecnico > Assyoma S.r.l. - www.assyoma.it > email: g.danti@xxxxxxxxxx - info@xxxxxxxxxx > GPG public key ID: FF5F32A8 > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html