Hi, Just curious, is it really the porpoise of the snapshot to backup both the vm and the application data? I think snapshot is appropriate to backup the vm and the you should have your regular backup for the app, as a database backup that can be done online. In this scenario you take a backup of the vm when something changes (updates, new software, configs, etc) and not all the time and do regular backups of the db as it's the information that changes all the time. I said this because I'm curious about the benefits of doing backups the way it's been posted. Regards,
On Wed, 27 Nov 2013 03:27:24 PM Juan Pablo Lorier wrote:
ust curious, is it really the porpoise of the snapshot to backup both the vm and the application data?
Yes and no. Backups of the VM for disaster recover purposes, and regular *separate* data backups done from within the VM. -- Lindsay
On Thu, 28 Nov 2013 06:28:26 AM you wrote:
Yes and no. Backups of the VM for disaster recover purposes, and regular *separate* data backups done from within the VM.
NB - quiescising/ windows stylle VSS for vm backups is desirable to ensure DB tables etc aren't corrupted on restore, but it isn't a replacement for data backups. -- Lindsay
On 11/27/2013 10:41 PM, Lindsay Mathieson wrote:
On Thu, 28 Nov 2013 06:28:26 AM you wrote:
Yes and no. Backups of the VM for disaster recover purposes, and regular *separate* data backups done from within the VM.
NB - quiescising/ windows stylle VSS for vm backups is desirable to ensure DB tables etc aren't corrupted on restore, but it isn't a replacement for data backups.
just a btw that the qemu-guest-agent if installed on a windows guest is supposed to interact with VSS during live snapshot.
On Thu, 28 Nov 2013 11:34:13 AM Itamar Heim wrote:
just a btw that the qemu-guest-agent if installed on a windows guest is supposed to interact with VSS during live snapshot.
I was wondering that - do you have a reference to the docs online? thanks, -- Lindsay
On 11/28/2013 12:58 PM, Lindsay Mathieson wrote:
On Thu, 28 Nov 2013 11:34:13 AM Itamar Heim wrote:
just a btw that the qemu-guest-agent if installed on a windows guest is supposed to interact with VSS during live snapshot.
I was wondering that - do you have a reference to the docs online?
thanks,
best i can offer, from rhel 6.5: Bug 948017 - VSS support for qemu-ga-win
On Thu, 28 Nov 2013 01:16:28 PM you wrote:
best i can offer, from rhel 6.5: Bug 948017 - VSS support for qemu-ga-win
Thanks Itamer from my reading of the bug report can I assume its implemented and made its way into the windows packages Oct-30th? thanks, -- Lindsay
On 11/28/2013 02:22 PM, Lindsay Mathieson wrote:
On Thu, 28 Nov 2013 01:16:28 PM you wrote:
best i can offer, from rhel 6.5: Bug 948017 - VSS support for qemu-ga-win
Thanks Itamer
from my reading of the bug report can I assume its implemented and made its way into the windows packages Oct-30th?
that's my understanding. the packages were released with rhel 6.5 last week probably.
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Lindsay Mathieson" <lindsay.mathieson@gmail.com>, users@ovirt.org Sent: Thursday, November 28, 2013 7:24:09 AM Subject: Re: [Users] backups
On 11/28/2013 02:22 PM, Lindsay Mathieson wrote:
On Thu, 28 Nov 2013 01:16:28 PM you wrote:
best i can offer, from rhel 6.5: Bug 948017 - VSS support for qemu-ga-win
Thanks Itamer
from my reading of the bug report can I assume its implemented and made its way into the windows packages Oct-30th?
that's my understanding. the packages were released with rhel 6.5 last week probably.
yes, VSS support for QEMU-GA was added and released in RHEL 6.5 http://rhn.redhat.com/errata/RHBA-2013-1729.html
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On Thu, 28 Nov 2013 07:43:50 AM Andrew Cathrow wrote:
yes, VSS support for QEMU-GA was added and released in RHEL 6.5 http://rhn.redhat.com/errata/RHBA-2013-1729.html
Thanks Andrew, Itamar -- Lindsay
On 11/27/2013 11:27 AM, Juan Pablo Lorier wrote:
Hi,
Just curious, is it really the porpoise of the snapshot to backup both the vm and the application data? I think snapshot is appropriate to backup the vm and the you should have your regular backup for the app, as a database backup that can be done online. In this scenario you take a backup of the vm when something changes (updates, new software, configs, etc) and not all the time and do regular backups of the db as it's the information that changes all the time. I said this because I'm curious about the benefits of doing backups the way it's been posted. Regards,
Contrary to my other post, which was more educational than practical, yes, you generally would not back up app data via a hypervisor snapshot. Generally you would only backup the OS disk and perhaps the application binaries. This would be for quick restore of the OS and app, so you don't have to spend hours reconfiguring your OS. (especially Windows based OSes....) I also do an IN OS backup as well, for individual file restores in the instances you accidentally destroy something in /etc for example.
Thanks, just to check I was not missing something I can use myself to ease my days :-) Regards, On 30/11/13 18:40, Blaster wrote:
On 11/27/2013 11:27 AM, Juan Pablo Lorier wrote:
Hi,
Just curious, is it really the porpoise of the snapshot to backup both the vm and the application data? I think snapshot is appropriate to backup the vm and the you should have your regular backup for the app, as a database backup that can be done online. In this scenario you take a backup of the vm when something changes (updates, new software, configs, etc) and not all the time and do regular backups of the db as it's the information that changes all the time. I said this because I'm curious about the benefits of doing backups the way it's been posted. Regards,
Contrary to my other post, which was more educational than practical, yes, you generally would not back up app data via a hypervisor snapshot. Generally you would only backup the OS disk and perhaps the application binaries. This would be for quick restore of the OS and app, so you don't have to spend hours reconfiguring your OS. (especially Windows based OSes....)
I also do an IN OS backup as well, for individual file restores in the instances you accidentally destroy something in /etc for example.
participants (5)
-
Andrew Cathrow -
Blaster -
Itamar Heim -
Juan Pablo Lorier -
Lindsay Mathieson