[Openstack] Backing up NFS

Matej matej at tam.si
Tue May 6 06:01:04 UTC 2014


How do you guys back-up instance volumes, on what frequency, with a method
to suspend the instance, copy data and resume the instance?

Thanks!


On Mon, May 5, 2014 at 7:07 PM, Dimitri Maziuk <dmaziuk at bmrb.wisc.edu>wrote:

> On 05/05/2014 04:43 AM, Matej wrote:
> > Hi,
> >
> > I am using a NFS server via Cinder for storing volumes of our instances.
> > Since if I understand correctly, you can't create a snapshot of those
> > images, what is the proper way to create backup copies? Should I stop the
> > instance, copy the file and after copying is completed, start the
> instance
> > back? Is there any way that wouldn't require stopping the instances?
>
> I think in general you should suspend the instance anyway: e.g. making a
> snapshot in the middle of a database transaction may leave you with a
> broken database.
>
> --
> Dimitri Maziuk
> Programmer/sysadmin
> BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
>
>
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