Re: [Xen-users] DomU loses 2 month data after lost electricity

[Casper <kl@xxxxx>]

It`s web development server, postgresql, svn, all usual apps, I think
not hard used development.
How can maybe I detect problem with filesystem buffers?
All is usual sw raid mirror, lvm partitions on top ext3 with DomU...

> On 08/23/2012 10:27 PM, Niels Dettenbach (Syndicat IT&Internet) wrote:
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> > Casper <kl@xxxxx> schrieb:
> >
> > > Any idea what went wrong with fs and how it could lost data till last
> > > DomU reboot(not Dom0)?
> > > Configuration is simple and used many years on many servers...
> > Thus hardly depend from your application in detail, but it should very
> > less depend from xen what kind of data you will lost with a OS crash
> > like yours.
> >
> > Crashing a DomU is mainly like crashing a real OS.
> >
> > Depending from your apps it may be that filesys buffers over longer
> > time are not written / synced to disc.
> >
> > You may try to seek in your swap against some helpful data (even this
> > depends from your app) and if you have no snapshots or backups in
> > between there is nothing other to save anymore.
> >
> >
> > best regards,
> >
> > Niels.
> > - --
> > Niels Dettenbach
> > Syndicat IT&Internet
> > http://www.syndicat.com
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