[MacTUG] Permissions/Very Disk Issues

Jeff Dunnett jdunnett at math.uwaterloo.ca
Thu Jun 25 15:47:50 EDT 2009


On 25-Jun-09, at 2:59 PM, Steve Hellyer wrote:

> Jeff you said on one of the disks. Yet Verify would be a volume level
> check on filing system. Two drives make up the mirrored volume unless
> it says that one of the drives are degraded.  Which means you want to
> pull that degraded drive out and either replace or place it back in to
> see it the mirror rebuilds first.  Once rebuild then run Verify
> volume.  If it doesn't rebuild the mirror then that disk is bad and
> needs to be replaced.  If rebuilding mirror works then try verifying
> volume.
>
> Keep in mind you can't have the server in action while you verifying
> disk because someone remotely maybe changing files over network. You
> will get errors if you verify and server is live with users making
> changes.
>
> If after this you still can't repair then disk then I like DiskWarrior
> for making repairs. But TechTools is also fairly good.
>
> Question... Do you have a UPS on this server with a USB signal cable
> to server?

I will have to try the other ideas.  In answer to your question  
though yes we have a UPS on this server with a USB signal cable.

Jeff


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