Re: [Xen-users] how to run fsck for a crashed domU?

[Alexander Hoßdorf <xen-users@xxxxxxxxxxx>]

Rudi Ahlers schrieb:
> Alexander Hoßdorf wrote:
> > Rudi Ahlers schrieb:
> > > Alexander Hoßdorf wrote:
> > > > okay :-)
> > > > You're welcome!
> > > >
> > > > you have already started your domU?!
> > > >
> > > > You should return things the normal way before starting domU:
> > > >
> > > > 1. vgchange -an VolGroup00
> > > >
> > > > 2. kpartx -d /dev/loop4
> > > >
> > > > 3. losetup -d /dev/loop4
> > > >
> > > > 4. Start your domU
> > > >
> > > > Of course you can simply pass this things, by restarting dom0.
> > > >
> > > > Cheers,
> > > > Alex
> > > >
> > > >
> > > > Rudi Ahlers schrieb:
> > > > > Alexander Hoßdorf wrote:
> > > > > > Alexander Hoßdorf schrieb:
> > > > > > > okay, then you have to activate them first.
> > > > > > >
> > > > > > > vgchange -ay
> > > > > > >
> > > > > > > After this you should be able to see them in /dev
> > > > > > Does this work for you?
> > > > > >
> > > > > > Cheers,
> > > > > > Alex
> > > > > YES!!! :)
> > > > >
> > > > > Thank you, you're a star. There was a LOT of corrupt files to 
> > > > > fix,which was fixed, and the VPS is up again. I need to restore 
> > > > > some backups, but at least most of it is up again.
> > > > > Thank you very much
> > > Sadly though, I can't login to the VPS, the root password doesn't 
> > > work, and there's many errors all the way long. So, it seems like 
> > > this attempted fix was a loss after all.
> > Hmm it seems that something destroyed your Filesystem so bad, that 
> > e2fsck couldn't fix this.
> > Just for interest...
> > What was the reason that your Filesystem was destroyed?
> > Was there anything strange?
> >
> > Cheers,
> > Alex
> Power failure. The UPS power strip that the server was one, burnt out. 
> And I only have one PSU on it, so the sudden loss of power corrupted 
> the HDD, and the VM's partition as well.
> But it's working now again. I had to update some software, and fix a 
> few user's home folders, but now it's working :)
okay, so you got your own little worst case recovery trip ;-)
if you have SATA disks you should also lookout for a headcrash and have 
an eye on S.M.A.R.T Status.
I always backup my VM's for private use on an usb disk, thats cheap and 
reliable.


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