Re: about rsyncing of block devices

2010-06-16 Thread Stephane Chazelas
2010-06-15 18:10:07 +0200, Václav Ovsík: [...] > I already wrote a patch, but without response there. > http://lists.samba.org/archive/rsync/2010-January/024538.html > > Oh yeah, the patch is not in the archive! 8-) > > Ok, including it here now: [...] Thanks Zito for sharing. a lot more comple

Re: about rsyncing of block devices

2010-06-15 Thread Václav Ovsík
Hi, On Tue, Jun 15, 2010 at 04:12:18PM +0100, Stephane Chazelas wrote: > Hiya, > > I can see it's a regular subject on this list. > > I, like others wanted to use rsync to synchronise two block > devices (as it happens one lvm volume and one nbd device served > by qemu-img on a remote host from

Re: about rsyncing of block devices

2010-06-15 Thread Václav Ovsík
Hi, On Tue, Jun 15, 2010 at 04:12:18PM +0100, Stephane Chazelas wrote: > Hiya, > > I can see it's a regular subject on this list. > > I, like others wanted to use rsync to synchronise two block > devices (as it happens one lvm volume and one nbd device served > by qemu-img on a remote host from a

Re: about rsyncing of block devices

2010-06-15 Thread Eliot Moss
So this is an interesting problem to think about. It seems to take this form: - Data comes in fixed-size blocks - Blocks may be copied elsewhere - Blocks may be modified in place - Blocks may be copied with modification BUT - There are no insertions/deletions - The overall file does not change

about rsyncing of block devices

2010-06-15 Thread Stephane Chazelas
Hiya, I can see it's a regular subject on this list. I, like others wanted to use rsync to synchronise two block devices (as it happens one lvm volume and one nbd device served by qemu-img on a remote host from a qcow2 disk image so that I can keep the old versions) As I couldn't find any report