Re: [cobalt-users] Qube3 Disk Failure

[Malcolm McLeary <mmcleary@xxxxxxx>]

Hi Eddy,

on 24/4/02 2:26 PM, E.B. Dreger wrote:

> MM> I replace the drive with a new one ... it did its RAID thing and all
> MM> seemed well.  There were some problems with FileMaker Server serving
> MM> databases,  but
> MM> it may not have been happy with the RAID process copying open files.  I
> MM> guess I should have stopped FileMaker Server during the mirroring process.
> 
> RAID 1 does not work at the file level.  It does not copy files.
> It creates a pseudodevice that looks and feels like a normal hard
> drive.

Ok happy with that.

> MM> Anyway I've just copied some large files to the Qube3 (it is running OS
> MM> Update 6.4) and it has once again reported a drive failure ... same drive
> MM> letter ... but a new disk!  This is too much of a coincidence.
> 
> Odd.  Unless it's a low-quality hard drive line.

I'm using the same drives were originally supplied.

> I had a client
> who purchased a 20GB Quantum 7200RPM drive... flaky on arrival.
> Confirmed bad with Maxtor disk test software.  Replacement drive
> worked great, testing clean with diagnostic software, until I
> delivered their machine.  It then failed to even boot.  (Note to
> self: Machine failure at 2300 results in severe lack of sleep
> while rebuilding overnight.)
> 
> YMMV, of course, but it can happen.

Great!  :-(

> MM> Is it possible that its not the drive which is failing, but its the RAID
> MM> software ... or OS Update 6.4?
> 
> I'd suspect the drive cable or controller.

That is a possibility.

> Have you another Qube3?  Can you move the known-good drive to it,
> then try mirroring with a "bad" drive?

Actually I do.  I was planning to try something to see how dead it really
was.

Cheers,  Malcolm