Cyril Plisko wrote:
BTW, are there any implications of having dedup=on on rpool/dump ? I
know that the compression is turned off explicitly for rpool/dump.
It will be ignored because when you write to the dump ZVOL it doesn't go
through the normal ZIO pipeline so the deduplication code is never run in
that case.
Yeah, that's what I thought. I would imaging that same is true for the
compression as well. If so, what is the reason for setting
compression=off explicitly on rpool/dump ?
I believe it is so that it is obvious that ZFS isn't doing the
compression. The dump system does the compression - and may actually
use a compression algorithm that ZFS doesn't use (bzip2).
--
Darren J Moffat
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