Date: Tue, 1 Mar 2016 14:01:45 +0200 From: Nikos Vassiliadis <nvass@gmx.com> To: "freebsd-questions@freebsd.org Questions" <freebsd-questions@freebsd.org> Subject: verifying two zfs filesystem hierarchies Message-ID: <56D584A9.9020305@gmx.com>
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Hi,
I would like to verify that my pool is correctly stored on a disk
and haven't found a way to do so. I believe I can assume that
it is OK since all snapshot names appear identical to the original
pool. I was looking for something like "zfs send -R blah | sha256"
and "zfs send -R USBDISKCOPY/blah | sha256" but this doesn't work
for obvious reasons. Is there a tool that could do such a thing?
My two candidates are:
1) zpool scrub USBDISKCOPY (will verify the pool).
2) zfs send -R USBDISKCOPY/blah (will send the filesystem hierarchy
effectively reading and verifying everything.
Since scrubbing is slower than sending I think of using "zfs send".
Thoughts? Any other ways?
Thanks in advance!
Nikos
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