Re: rsync behavior on copy-on-write filesystems

2013-05-21 Thread Chris Dunlop
On 2013-05-21, Allen Supynuk wrote: > I have been doing some experiments with rsync on btrfs, a > copy-on-write file system that is approaching or having just achieved > production-ready status depending on your requirements. > ## 6) Use rsync --inplace to make a copy of the first file. > ##

--compress data-duplication bug?

2011-11-28 Thread Chris Dunlop
Hi, I just noticed this commit for 3.1: --- commit cbdff74b44b25ce713739b9c1fb4db67610c675e Author: Wayne Davison Date: Mon Nov 21 09:13:11 2011 -0800 Fix --compress data-duplication bug. --- Is there some reference as to what that is actually fixing, e.g. bug number? Specifically, I'm

Re: Use rsync's checksums to deduplicate across backups

2011-11-03 Thread Chris Dunlop
On Thu, Nov 03, 2011 at 09:34:53AM -0500, Alex Waite wrote: >> Not a direct answer, but this may do what you want: >> >>  http://gitweb.samba.org/?p=rsync-patches.git;a=blob;f=link-by-hash.diff >> >>  This patch adds the --link-by-hash=DIR option, which hard >> links received >>  files in a link fa

Re: Use rsync's checksums to deduplicate across backups

2011-11-02 Thread Chris Dunlop
On 2011-11-03, Alex Waite wrote: > I apologize if this has already been discussed before, but as of > yet I have been unable to find any info on the topic. > I have a very simple (and common) disk based backup system using > rsync, hard links, and a little bit of perl to glue it together.

Re: rsync and many files

2011-06-09 Thread Chris Dunlop
Kevin Korb sanitarium.net> writes: > A lot of this has to do with the filesystems and operating systems involved. > > Since you didn't specify I will guess Linux with ext3. If that is the > case run don't walk to ext4. Also, mount the filesystems with the > noatime and nodiratime options. This

Re: rsync and many files

2011-06-09 Thread Chris Dunlop
On 2011-06-07, Kevin Korb wrote: > > A lot of this has to do with the filesystems and operating systems involved. > > Since you didn't specify I will guess Linux with ext3. If that is the > case run don't walk to ext4. Also, mount the filesystems with the > noatime and nodiratime options. This

Re: rSync Issue with lots of small files

2010-05-03 Thread Chris Dunlop
G'day David, David A. Soussan dascomputerconsultants.com> writes: > First posting, and I'm a n00b with rSync. I was having issues with rSync > from a PC (3.0.7 either via DeltaCopy or cwRsync) to a Freenas box > (3.0.6). I've since replicated and isolated the problem attempting to > sync PC to PC