Re: backups using rsync

2013-03-09 Thread Giorgos Keramidas
On Tue, 05 Mar 2013 20:30:22 +0100, Matthias Petermann matth...@d2ux.org wrote: Hello, Zitat von Giorgos Keramidas keram...@ceid.upatras.gr: If this is a UFS2 filesystem, it may be a good idea to snapshot the filesystem, and then rsync-backup the snapshot instead. Last time I tried UFS2

Re: backups using rsync

2013-03-06 Thread David Brodbeck
On Mon, Mar 4, 2013 at 1:37 PM, CyberLeo Kitsana cyber...@cyberleo.netwrote: You can use dump(8) to dump a SU-journaled filesystem; you just cannot create a snapshot. This implies that dump(8) will be run against the live and possibly changing filesystem, which can lead to issues with the

Re: backups using rsync

2013-03-05 Thread Polytropon
On Mon, 04 Mar 2013 12:19:09 -0800, Ronald F. Guilmette wrote: In message 20130304125634.8450cfaf.free...@edvax.de, Polytropon free...@edvax.de wrote: On Mon, 04 Mar 2013 03:35:30 -0800, Ronald F. Guilmette wrote: Now, unfortunately, I have just been bitten by the evil... and apparently

Re: backups using rsync

2013-03-05 Thread Giorgos Keramidas
to single-user mode every week for a few hours while I'm making my disk-to-disk backup. So now I'm looking at doing the backups using rsync. Yes, this should be possible... One thing that can bite you when using rsync to traverse copy large filesystems is that the filesystem may still be changing

Re: backups using rsync

2013-03-05 Thread Matthias Petermann
Hello, Zitat von Giorgos Keramidas keram...@ceid.upatras.gr: If this is a UFS2 filesystem, it may be a good idea to snapshot the filesystem, and then rsync-backup the snapshot instead. Last time I tried UFS2 snapshots I found out two serious limitations. The first is it doesn't work when UFS

backups using rsync

2013-03-04 Thread Ronald F. Guilmette
. So now I'm looking at doing the backups using rsync. I see that rsync can nowadays properly cope with all sorts of oddities, like fer instance device files, hard-linked files, ACLs, file attributes, and all sorts of other unusual but important filesystem thingies. That's good news, but I still have

Re: backups using rsync

2013-03-04 Thread Polytropon
I'm making my disk-to-disk backup. So now I'm looking at doing the backups using rsync. The same problems that apply when dumping live systems can bite you using rsync, but support for this on file system level seems to be better in rsync than what dump does on block level. If I use all

Re: backups using rsync

2013-03-04 Thread Warren Block
On Mon, 4 Mar 2013, Ronald F. Guilmette wrote: Now, unfortunately, I have just been bitten by the evil... and apparently widely known (except to me)... ``You can't use dump(8) to dump a journaled filesystem with soft updates'' bug-a-boo. Until SUJ has been deemed 100%, I avoid it and suggest

Re: backups using rsync

2013-03-04 Thread Ronald F. Guilmette
In message 20130304125634.8450cfaf.free...@edvax.de, Polytropon free...@edvax.de wrote: On Mon, 04 Mar 2013 03:35:30 -0800, Ronald F. Guilmette wrote: Now, unfortunately, I have just been bitten by the evil... and apparently widely known (except to me)... ``You can't use dump(8) to dump a

Re: backups using rsync

2013-03-04 Thread Ronald F. Guilmette
In message alpine.bsf.2.00.1303040645420.66...@wonkity.com, Warren Block wbl...@wonkity.com wrote: Until SUJ has been deemed 100%, I avoid it and suggest others do also. It can be disabled on an existing filesystem from single user mode. hehe Silly me! What do *I* know? I just go about my

Re: backups using rsync

2013-03-04 Thread CyberLeo Kitsana
filesystems while the system was running. But I really don't want to have to take the system down to single-user mode every week for a few hours while I'm making my disk-to-disk backup. So now I'm looking at doing the backups using rsync. I've used rsync to back up Linux and FreeBSD machines daily

Re: backups using rsync

2013-03-04 Thread Lawrence K. Chen, P.Eng.
- Original Message - On Mon, 04 Mar 2013 03:35:30 -0800, Ronald F. Guilmette wrote: Now, unfortunately, I have just been bitten by the evil... and apparently widely known (except to me)... ``You can't use dump(8) to dump a journaled filesystem with soft updates'' bug-a-boo.

Re: backups using rsync

2013-03-04 Thread Warren Block
On Mon, 4 Mar 2013, Ronald F. Guilmette wrote: So, um, I was reading about this last night, but I was sleepy and my eyes glazed over... Please remind me, what is the exact procedire for turning off the journaling? I boot to single user mode (from a live cd?) and then what? Is it tunefs with