Re: tar returned 2

2008-02-27 Thread Marc Muehlfeld
Rodrigo Ventura schrieb: ? gtar: ./mnt/cdrom: Cannot savedir: No such file or directory ? gtar: ./mnt/cdrom/: Warning: Cannot stat: No such file or directory ? gtar: ./mnt/cdrw: Cannot savedir: No such file or directory ? gtar: ./mnt/cdrw/: Warning: Cannot stat: No such file or directory [...] ?

Re: Backing up VMware-VMs

2008-02-27 Thread Steven Kurylo
Steven Kurylo wrote: Correct. But as I understand, snapshots in VMware work similar to transaction logs in databases. The virtual disk file is locked in its current state and further changes are temporarily written to separate files until the snapshot is comitted or rolled back. Yes. So if

RE: Backing up VMware-VMs

2008-02-27 Thread Curtis Preston
That's not obvious enough for me. Stepping outside the VMware world for a moment, what the user is proposing is totally normal. We do it in the virtualized storage world all the time. Stop the app, snap the image, start the app, then back it up. I don't want to leave the app down the entire tim

Re: Backing up VMware-VMs

2008-02-27 Thread Steven Kurylo
Correct. But as I understand, snapshots in VMware work similar to transaction logs in databases. The virtual disk file is locked in its current state and further changes are temporarily written to separate files until the snapshot is comitted or rolled back. Yes. So if you want to backup/co

draft for a wrapper-helper-script (was: Backing up VMware-VMs)

2008-02-27 Thread Stefan G. Weichinger
Stefan G. Weichinger schrieb: > [EMAIL PROTECTED] schrieb: >> There is a (moderately good) howto by me and an excellent one by Paul >> Bijnens at this location : http://www.amanda.org/docs/howto-wrapper.html Attached you find my current draft of handle_vms.sh, which I use with amgtar to handle the

Re: Backing up VMware-VMs

2008-02-27 Thread Steven Kurylo
Curtis Preston wrote: Unless you're coordinating with the OS, then taking a VMware snapshot and copying it is equivalent to pulling the power plug on a server. Will it power back up without corruption? 99.9% of the time, yes. Has anyone who has been in the biz for a while had a scenario where p

Re: Backing up VMware-VMs

2008-02-27 Thread Steve Newcomb
> Does anyone know the reason why you cannot snapshot powered off machines? I have learned that backups of VMware Windows-XP guests under Linux are easy, and seem reliable, without starting or restarting VMware or the VM. The method we use requires that the Windows NTFS filesystem be set up

Re: Backing up VMware-VMs

2008-02-27 Thread Stefan G. Weichinger
Patrick M. Hausen schrieb: > So if you want to backup/copy an entire VM with the guarantee of > consistent hard disk state, you need to shut it down. Copying > a multi gigabyte virtal disk file is bound to take quite some time. > > So you need to power down your virtual machine for what can amoun

Re: Backing up VMware-VMs

2008-02-27 Thread Patrick M. Hausen
Hello, On Wed, Feb 27, 2008 at 07:40:26PM +, Rodrigo Ventura wrote: > On Feb 27, 2008, at 7:00 PM, Patrick M. Hausen wrote: > >> Does anyone know the reason why you cannot snapshot powered off >> machines? > > > Hum, only the obvious answer pops to mind: because there is no state to > snap

Re: Backing up VMware-VMs

2008-02-27 Thread Rodrigo Ventura
On Feb 27, 2008, at 7:00 PM, Patrick M. Hausen wrote: Does anyone know the reason why you cannot snapshot powered off machines? Hum, only the obvious answer pops to mind: because there is no state to snapshot at all! A powered-off machine has no state, besides the contents of the harddri

Re: Backing up VMware-VMs

2008-02-27 Thread Patrick M. Hausen
Hi, all, On Wed, Feb 27, 2008 at 01:27:11PM -0500, Curtis Preston wrote: > Unless you're coordinating with the OS, then taking a VMware snapshot > and copying it is equivalent to pulling the power plug on a server. > Will it power back up without corruption? 99.9% of the time, yes. Has > anyone

RE: Backing up VMware-VMs

2008-02-27 Thread Curtis Preston
Unless you're coordinating with the OS, then taking a VMware snapshot and copying it is equivalent to pulling the power plug on a server. Will it power back up without corruption? 99.9% of the time, yes. Has anyone who has been in the biz for a while had a scenario where powercycling a box caused

Re: tar returned 2

2008-02-27 Thread Rodrigo Ventura
On Feb 27, 2008, at 4:12 PM, Jean-Louis Martineau wrote: What's in the "FAILED AND STRANGE DUMP DETAILS" section of the email report? I found out, following a previous reply suggestion, errors like these: /-- omni / lev 1 FAILED [dump (16333) /usr/bin/tar returned 2] sendbackup: start [omn

Re: Backing up VMware-VMs

2008-02-27 Thread Steven
Stefan G. Weichinger wrote: Because we are fearing problems? We do a vm snapshot to a backup server. Amanda backs up the snapshot from the backup server. And it is reliable? We've never had a problem restoring machines. We often take a snapshot of a production machine and turn i

Re: tar returned 2

2008-02-27 Thread Jean-Louis Martineau
What's in the "FAILED AND STRANGE DUMP DETAILS" section of the email report? Which amanda release? Which tar release? Did you upgraded something on the system? Jean-Louis Rodrigo Ventura wrote: Hello, I'm getting sporadically errors like this: FAILURE AND STRANGE DUMP SUMMARY: omni/

Re: tar returned 2

2008-02-27 Thread Paul Bijnens
On 2008-02-27 15:56, Rodrigo Ventura wrote: Hello, I'm getting sporadically errors like this: FAILURE AND STRANGE DUMP SUMMARY: omni/ lev 1 FAILED [dump (30447) /usr/bin/tar returned 2] and I don't have a clue on what's going on. I grepped /tmp/amanda and found no refere

tar returned 2

2008-02-27 Thread Rodrigo Ventura
Hello, I'm getting sporadically errors like this: FAILURE AND STRANGE DUMP SUMMARY: omni/ lev 1 FAILED [dump (30447) /usr/bin/tar returned 2] and I don't have a clue on what's going on. I grepped /tmp/amanda and found no reference to this. Any clues? Cheers, Rodrigo