On 6/29/20 1:47 PM, Josef Bacik wrote: >>>> Just to be clear here, the choice of XFS here is purely based on >>>> performance, not on the reliability of the file systems, right? >>>> (So it's not “all the really important data is stored in XFS”.) >>>> >>> >>> Yes that's correct. At our scale everything falls over, including XFS, and >>> as I've stated elsewhere in this thread we actually see a higher rate of >>> failure (relative to the install size) with XFS. The databases we use >>> already do all of the fancy things that btrfs does in the application. If >>> we could get away with it we'd just use raw disks for those applications. >>> and in fact may do that in the future. Thanks, >> >> Josef, with my XFS hat on, are these recent failures? Have they >> all been reported to the XFS list? >> >> It makes sense to look at reliability in the context of this thread, but >> offering "btrfs fails less often than XFS for us" without any context >> (what kind of failure, what kernel, when, etc) doesn't help much, it's >> just more anecdotes. >> > > Yup this is why I try to avoid talking about other file systems. This > shouldn't be interpreted as "XFS drools, btrfs rules!", just that in our own > environment, btrfs does not fail at any significant rate higher than xfs. > > Xfs is used in completely different workloads, and with completely different > (much better) hardware. > > And the reason they haven't been brought up to the list is because it fails > at such a low rate that I didn't even realize we were having xfs reprovisions > until I went and looked at the data. So far of the 15 machines that fell > over, 10 of them appear to be hardware related. The other 5 have logs that > are in a different database that take longer to pull out. Thanks, > > Josef
Thanks for the context, Josef, I appreciate it. -Eric _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org