On 24.11.2008 07:10, bjquinn wrote: > > I understand that if you want to only transfer changed blocks across the > network that the remote machine must be running rsync server and the local > machine must be running rsync client. What if I don't care what gets > transferred over the network, I just care what gets written to disk (i.e. > only changed blocks)? Is there an option to do that in rsync without > needing an rsync server on the other end? > > I have an OpenSolaris server that I'm using for backups. It's running ZFS, > so if only part of a file changes, I can take a snapshot and be able to have > access to both copies of the file but only store the differences. However, > if the entire file gets copied back down to disk, ZFS isn't smart enough to > realize that the new blocks copied to disk are the same as the ones that > just got overwritten - so it marks all blocks of the file as changed and > doesn't provide any space-savings. If rsync had a mode that made sure only > to write to disk the blocks that changed, this would get me around this > problem. Also, since many of the computers I'll be backing up are Windows > machines, I don't want to hog their CPU, and I don't care how much data gets > transferred over the network, I'd rather avoid installing the rsync server > on those machines.
--inplace reads like it is what you want. Bis denn -- Real Programmers consider "what you see is what you get" to be just as bad a concept in Text Editors as it is in women. No, the Real Programmer wants a "you asked for it, you got it" text editor -- complicated, cryptic, powerful, unforgiving, dangerous. -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
