Speeding Up Rsync for Large File Sets
kmk at sanitarium.net
Fri Nov 30 11:03:56 MST 2012
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You are missing the snapshot part of it. You send/receive a snapshot
then both ends have the same snapshot.
On 11/30/12 13:00, Tim Gustafson wrote:
>> If you are using zfs then why not use zfs send and zfs receive?
>> Rsync has to stat every file on both ends which can take a long
>> time with millions of files. The zfs tools don't have to do any
>> of that.
> 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 wouls break the send/receive. Unless
> I'm not understanding something.
Kevin Korb Phone: (407) 252-6853
Systems Administrator Internet:
FutureQuest, Inc. Kevin at FutureQuest.net (work)
Orlando, Florida kmk at sanitarium.net (personal)
Web page: http://www.sanitarium.net/
PGP public key available on web site.
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