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I have backuppc running on 32 bit Ubuntu 8.10 under Citrix XenServer, and I don't see these issues. All my DomU systems are running off of the same ISCSI array on a 1 GB ethernet.
With having backuppc in deb format, it's easy enough to check if you have a 32 vs 64 bit issue. I'd also recommend you go at least 8.10, since it has a newer version of backuppc.
Gerald
----- "Kameleon" <kameleon25 AT gmail DOT com> wrote:
> Hello,
>
> I have installed backuppc on an ubuntu 8.04 xen 64-bit domu and I must say I like it. It was installed it via the "aptitude install backuppc" command. I have setup a few other machines for it to back up and am liking what I see. I have a slight problem however. When I backup a physical machine, or wondows virtual machine, it does fine. But when I backup another Xen para-virtualized domu it takes FOREVER and finally errors out with "backup failed (aborted by signal=ALRM)". Here is my systems and basic specs:
>
> virtual server: XEN dom0 running with all domu's as LVM, 64-bit.
> backuppc: running on Ubuntu 8.04 64-bit domu with 2 cpu cores available (2.4GHZ) and 1GB RAM
> laptop: physical laptop running windows vista 32-bit. Using the standalond cygwin rsyncd as supplied on the backuppc downloads page.
>
Windows 2003 server: Running as a HVM 32-bit domu on the virtual server. Using same cygwin rsyncd as above.
> machine1: Ubuntu 8.04 32-bit physical machine. using rsync to backup
> machine2: Ubuntu 8.04 32-bit XEN domu. Using rsync to backup
>
machine3: Ubuntu 8.04 32-bit XEN domu. Using rsync to backup
>
> The only machines that do backup properly are listed below with the approximate time taken to run an incrimental and amount of data:
>
> win2k3 server takes approx 45 min to run an incrimental. (8G data, 1.7G incrimental)
>
Machine1 takes approx 25 min to run an incrimental. (2.8G data total, 0.9GB incrimental)
> laptop takes approx 25 min to run an incrimental. (about 63G data total, 500-600M incrimental)
>
> I have tried everything I can think of to get the 2 para-virt domu's backed up. I was eventually able to get a good FULL backup of them but that took hours. The incrimental on machine2 started about 11 hours ago and has still not completed. It will keep going until I stop it or it errors out as above. I canceled backups on machine3 due to taking for ever.
>
> I was thinking it may have something to do with the "ClientCharSet" variable so I ran the locale charmap and came up with "ANSI_X3.4-1968" on the 2 machines that are not backing up properly. None of the others have anything set for that variable and I have tried putting that ANSI_X3.4-1968 and leaving it blank.
>
> I was also debating trying to figure out a way to run an LVM snapshot of the domu's on the dom0, mount them to be readable, and have backuppc run a backup against that then remove the lvm snapshot. But I would rather it just work the way it is designed to.
>
> Does anyone have an idea of what could be happening here? I would love to have proper backups of my data.... especially since one of the machines not backing up is my web server! If you need more information I will provide any I can. Any help is appreciated.
>
> Donny
>
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