Hello,
does it in any respect (throughput/performance, cpu load, I/O load,
resilience, ...) matter, if one mounts subdirectories of an NFS (v3)
export into separate directories or if one just mounts the parent directory?
I.e. like this:
server:/export/base/a -> /mnt/a
server:/export/base/b -> /mnt/b
server:/export/base/c -> /mnt/c
server:/export/base/d -> /mnt/d
server:/export/base/e -> /mnt/e
or simply like this:
server:/export/base -> /mnt
I would guess, that it doesn matter at all, but at $work the standard
setup on all cluster nodes is, to mount >20 subdirectories from the NFS
server individually and the justification is, that is more performant
and reliable.
Can this be confirmed (or denied)?
I couldn't find this method of "NFS performance tuning" mentioned
anywhere and from a management perspective the sheer amount of mounted
filesystems makes the list confusing and harder to troubleshoot.
Any thoughts?
Regards
frank
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