I upgraded to ubuntu 8.10 on the backuppc domu and the same issue
remains. It went from backuppc ver 3.0.0 to 3.1.0. I will test a
64-bit ubuntu domu backup here soon and report the results. I find it
odd though that it backs up physical machines and also hvm domu
machines fine. I don't think it is a xen issue because it is backing
up the hvm domu and it can't know the difference as it appears as a
physical machine.
Thanks for the input.
On 11/15/09, Gerald Brandt <gbr AT majentis DOT com> wrote:
> 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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