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* memory requirements for a 400TB fs with reflinks
@ 2021-03-20 18:01 Ralf Groß
  2021-03-22 16:50 ` Ralf Groß
  0 siblings, 1 reply; 6+ messages in thread
From: Ralf Groß @ 2021-03-20 18:01 UTC (permalink / raw)
  To: linux-xfs


I plan to deploy a couple of Linux (RHEL 8.x) server as Veeam backup
repositories. Base for this might be high density server with 58 x
16TB disks, 2x  RAID 60, each with its own raid controller and 28
disks. So each RAID 6 has 14 disks, + 2 globale spare.

I wonder what memory requirement such a server would have, is there
any special requirement regarding reflinks? I remember that xfs_repair
has been a problem in the past, but my experience with this is from 10
years ago. Currently I plan to use 192GB RAM, this would be perfect as
it utilizes 6 memory channels and 16GB DIMMs are not so expensive.

Thanks - Ralf

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2021-03-23 22:03 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-20 18:01 memory requirements for a 400TB fs with reflinks Ralf Groß
2021-03-22 16:50 ` Ralf Groß
2021-03-22 21:50   ` Dave Chinner
2021-03-23  9:39     ` Ralf Groß
2021-03-23 22:02       ` Dave Chinner
2021-03-23  9:31   ` Lucas Stach

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