>I was testing my RAID hardware while the Virtual Server was running under
>simulated load. [Basically I pulled out the hotswap hard drive].
>
> The server worked fine with the redundant drive - which was good news.
>
> But then I did a hard reboot and then when I restarted the Virtual Server
> Host OS loaded up fine - but not the guest.
>
> However the Virtual Server Guest OS started off by doing a Chkdisk - and
> it fixed errors on a a dozen files (which were not even being used at the
> time]. More scarilly, when you logged on it complained that the NTuser
> hive and the Software Hive in the registry have been corrupted and it has
> repaired it. When I opened IIS, there was nothing there - I could not even
> see a computer to manage. I then restarted the Guest OS. This time there
> was no errors - and everything looked like it has repaired it self
> including the IIS meta database.
>
> My question is what could have happened? Should I use an older back up of
> the vhd - just in case there are some errors that might not show up just
> now? Is there any way I can avoid the OS getting messed up upon a forced
> Host shut down?
>
> NC
>

> On the hard reboot did you gracefully shutdown the Guest VMs or not.
>
> Remember, the Guest VMs do NOT have a RAID emulated inside of them -- so
> they are not fault tolerant to non-graceful actions like an abrupt power-off
> of the VM -- which may be what happened on the forced ungraceful shutdown of
> the Host.
>
> If you shutdown Virtual Server properly after pulling yout the hotswap hard
> drive, I expect that to work perfectly. If it doesn't, sounds like a RAID
> problem.
>
> --
> //David
> IIS
> http://blogs.msdn.com/David.Wang
> This posting is provided "AS IS" with no warranties, and confers no rights.
> //
>
> "Nina Chandler" <(email address - cut out)> wrote in message
> news:(email address - cut out)...
> >I was testing my RAID hardware while the Virtual Server was running under
> >simulated load. [Basically I pulled out the hotswap hard drive].
> >
> > The server worked fine with the redundant drive - which was good news.
> >
> > But then I did a hard reboot and then when I restarted the Virtual Server
> > Host OS loaded up fine - but not the guest.
> >
> > However the Virtual Server Guest OS started off by doing a Chkdisk - and
> > it fixed errors on a a dozen files (which were not even being used at the
> > time]. More scarilly, when you logged on it complained that the NTuser
> > hive and the Software Hive in the registry have been corrupted and it has
> > repaired it. When I opened IIS, there was nothing there - I could not even
> > see a computer to manage. I then restarted the Guest OS. This time there
> > was no errors - and everything looked like it has repaired it self
> > including the IIS meta database.
> >
> > My question is what could have happened? Should I use an older back up of
> > the vhd - just in case there are some errors that might not show up just
> > now? Is there any way I can avoid the OS getting messed up upon a forced
> > Host shut down?
> >
> > NC
> >
>
>
>
>

> On the hard reboot did you gracefully shutdown the Guest VMs or not.
>
> Remember, the Guest VMs do NOT have a RAID emulated inside of them -- so
> they are not fault tolerant to non-graceful actions like an abrupt power-off
> of the VM -- which may be what happened on the forced ungraceful shutdown of
> the Host.
>
> If you shutdown Virtual Server properly after pulling yout the hotswap hard
> drive, I expect that to work perfectly. If it doesn't, sounds like a RAID
> problem.
>
> --
> //David
> IIS
> http://blogs.msdn.com/David.Wang
> This posting is provided "AS IS" with no warranties, and confers no rights.
> //
>
> "Nina Chandler" <(email address - cut out)> wrote in message
> news:(email address - cut out)...
> >I was testing my RAID hardware while the Virtual Server was running under
> >simulated load. [Basically I pulled out the hotswap hard drive].
> >
> > The server worked fine with the redundant drive - which was good news.
> >
> > But then I did a hard reboot and then when I restarted the Virtual Server
> > Host OS loaded up fine - but not the guest.
> >
> > However the Virtual Server Guest OS started off by doing a Chkdisk - and
> > it fixed errors on a a dozen files (which were not even being used at the
> > time]. More scarilly, when you logged on it complained that the NTuser
> > hive and the Software Hive in the registry have been corrupted and it has
> > repaired it. When I opened IIS, there was nothing there - I could not even
> > see a computer to manage. I then restarted the Guest OS. This time there
> > was no errors - and everything looked like it has repaired it self
> > including the IIS meta database.
> >
> > My question is what could have happened? Should I use an older back up of
> > the vhd - just in case there are some errors that might not show up just
> > now? Is there any way I can avoid the OS getting messed up upon a forced
> > Host shut down?
> >
> > NC
> >
>
>
>
>