Peter Merelis wrote:
> Apologies in advance as I imagine this issue is raised frequently, but can
> someone familiar with these sorts of things sanity check my stripe unit/width
> settings since the underlying storage controller is not exposing the data to
> mkfs.xfs apparently:
> 12 disk raid6
> 256k stripe
> …which I believe is equivalent to:
> Is that correct?
probably, but FWIW su/sw might be easier since it deals in byte / multiplier
> Also, does the inode64 option make sense for a filesystem with only a few
> files, each around ~100G?
for a large filesystem, yes, if your userspace can cope.
> And finally, are 'allocsize=1GB,nobarrier,noatime,nodiratime' recommended
> mount options?
no mount options are recommended without more information about the load ;)
nobarrier is only recommended if the storage has a battery-backed cache (or no
allocsize=1GB is probably ok if you really are only writing large files and have
noatime,nodiratime probably don't matter much at all.
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