Re: backing up LVM volumes

2010-05-09 Thread Bernard
Chris Davies wrote: Bernard bdebr...@teaser.fr wrote: On my previous systems, I used to create overall backups of partitions, using 'SystemRescueCD'. This is no longer possible ever since 2007 that I have a RAID1 mirroring system on my Debian. You used to boot from SystemRescueCD and

Re: backing up LVM volumes

2010-05-09 Thread Alex Samad
On Sun, 2010-05-09 at 18:11 +0200, Bernard wrote: Chris Davies wrote: Bernard bdebr...@teaser.fr wrote: [snip] So, what should I do so as to backup my system ? I once tried 'dd', but I think I remember it took forever [...] Without the bs argument you would have been

Re: backing up LVM volumes

2010-05-09 Thread Chris Davies
Bernard bdebr...@teaser.fr wrote: When I stated that 'SystemRescueCD' did not backup LVM volumes, I meant that 'partimage' lacked this capability. As far as I know, recent versions cannot do any better. I'm not familiar with partimage. Are you saying that it refuses to allow you to backup

Re: backing up LVM volumes

2010-04-29 Thread Ron Johnson
On 04/27/2010 02:51 PM, Boyd Stephen Smith Jr. wrote: [snip] For normal file operations, taking an LVM snapshot of the mounted filesystem and then making your backup from that should be sufficient. This should even work for postgreSQL database files (though, it is not optimal). MySQL has a

Re: backing up LVM volumes

2010-04-29 Thread Boyd Stephen Smith Jr.
On Thursday 29 April 2010 06:24:54 Ron Johnson wrote: On 04/27/2010 02:51 PM, Boyd Stephen Smith Jr. wrote: For normal file operations, taking an LVM snapshot of the mounted filesystem and then making your backup from that should be sufficient. This should even work for postgreSQL database

Re: backing up LVM volumes

2010-04-27 Thread Steven
On Tue, April 27, 2010 00:33, Bernard wrote: Hi to Everyone ! On my previous systems, I used to create overall backups of partitions, using 'SystemRescueCD'. This is no longer possible ever since 2007 that I have a RAID1 mirroring system on my Debian. SystemRescueCD does not backup LVM

Re: backing up LVM volumes

2010-04-27 Thread Chris Davies
Bernard bdebr...@teaser.fr wrote: On my previous systems, I used to create overall backups of partitions, using 'SystemRescueCD'. This is no longer possible ever since 2007 that I have a RAID1 mirroring system on my Debian. You used to boot from SystemRescueCD and backup the partitions

Re: backing up LVM volumes

2010-04-27 Thread Johannes Wiedersich
Bernard wrote: Hi to Everyone ! On my previous systems, I used to create overall backups of partitions, using 'SystemRescueCD'. This is no longer possible ever since 2007 that I have a RAID1 mirroring system on my Debian. SystemRescueCD does not backup LVM volumes, or, if it does, that must

Re: backing up LVM volumes

2010-04-27 Thread Chris Davies
Johannes Wiedersich johan...@physik.blm.tu-muenchen.de wrote: rsync -a /mounted/partition /directory/on/mounted/backup backs up all I need. Read man rsync for its options. Why not just copy the data off the mounted partition. Even more simple and faster. That's great for you. It might not be

Re: backing up LVM volumes

2010-04-27 Thread Boyd Stephen Smith Jr.
On Tuesday 27 April 2010 14:07:07 Chris Davies wrote: Johannes Wiedersich johan...@physik.blm.tu-muenchen.de wrote: rsync -a /mounted/partition /directory/on/mounted/backup backs up all I need. Read man rsync for its options. Why not just copy the data off the mounted partition. Even more

Re: backing up LVM volumes

2010-04-27 Thread Celejar
On Tue, 27 Apr 2010 14:51:57 -0500 Boyd Stephen Smith Jr. b...@iguanasuicide.net wrote: ... For normal file operations, taking an LVM snapshot of the mounted filesystem and then making your backup from that should be sufficient. This should even work for postgreSQL database files

Re: backing up LVM volumes

2010-04-27 Thread Celejar
On Tue, 27 Apr 2010 13:44:27 +0100 Chris Davies chris-use...@roaima.co.uk wrote: ... LVM provides a snapshot mode for this kind of requirement. It's not stunning but it's usually sufficient. Perhaps usually, but in my use-case (and that of others) it's badly broken (I've mentioned this

Re: backing up LVM volumes

2010-04-27 Thread Boyd Stephen Smith Jr.
On Tuesday 27 April 2010 16:03:55 Celejar wrote: I've had to give up lvm snapshots totally as broken, primarily because of this (see my messages in the thread): http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=549691 That is troublesome, probably to the point of actually being broken. It's

Re: backing up LVM volumes

2010-04-27 Thread Celejar
On Tue, 27 Apr 2010 16:40:37 -0500 Boyd Stephen Smith Jr. b...@iguanasuicide.net wrote: On Tuesday 27 April 2010 16:03:55 Celejar wrote: I've had to give up lvm snapshots totally as broken, primarily because of this (see my messages in the thread):

Re: backing up LVM volumes

2010-04-27 Thread Chris Davies
Boyd Stephen Smith Jr. b...@iguanasuicide.net wrote: For normal file operations, taking an LVM snapshot of the mounted filesystem and then making your backup from that should be sufficient. Agreed. I was pointing out that rsync isn't necessarily the appropriate solution in all cases. Chris

backing up LVM volumes

2010-04-26 Thread Bernard
Hi to Everyone ! On my previous systems, I used to create overall backups of partitions, using 'SystemRescueCD'. This is no longer possible ever since 2007 that I have a RAID1 mirroring system on my Debian. SystemRescueCD does not backup LVM volumes, or, if it does, that must be a very new