Speeding Up Rsync for Large File Sets

Kevin Korb kmk at sanitarium.net
Fri Nov 30 12:16:23 MST 2012

Hash: SHA1

Well, I am only using zfs as storage for rsync backups of non-zfs
systems so I might be wrong.

However, I was under the impression that you could send a zfs fs to
another system then send subsequent snapshots of it as well.

On 11/30/12 13:17, Kyle Lanclos wrote:
> Tim Gustafson wrote:
>> Because zfs send/receive doesn't work well if the target file
>> system ever gets changed, even for something like an atime.**
>> Basically, the file system can't be touched on the remote end,
>> and you can't even set the read-only property, because that would
>> be a filesystem-level change that would break the send/receive.**
>> Unless I'm not understanding something.
> This description matches my experience. I only succeeded with zfs 
> send/receive when the receiving pool was never mounted. If I
> mounted the filesystem, even read-only, the next receive operation
> would fail with an assertion that the filesystem had changed.
> This was with an earlier version of zfs (13ish?), so perhaps the
> behavior changed in the last five years.
> --Kyle

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