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KBeau

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18 years ago

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KBeau

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387 Posts

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September 17th, 2008 18:00

It Assistant sends wrong alert

I recently had a hard drive fail on a PE2850 (W2K3SP2).  I got two alerts with regards to the drive/raid failure.  The incorrect alert I received said 'Drive Removed'.  The drive was never removed, but I panicked until I verified that!  Why did I get that alert?  Not only is it false, it caused a bit of concern to say the least!

Regards,

KBeau

  • KBeau

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    387 Posts

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    Posted September 18th, 2008 17:00

    Time:  00:57:16:000

    First message said 'Array disk warning, physical disk removed. (I thought this was the last one I rec'd).

     

    Time:  00:57:42:000

    Second message said (not surprisingly) 'redundancy has been lost'

     

    Time:  00:57:43:000

    Last message said 'Virtual disk warning.  Virtual disk degraded'

     

    I would have agreed with you in your scenario, but this sort of disputes that line of thinking doesn't it? 

     

    Of course, the times I've displayed here are when the messages were delivered to my In Box.  I'll check the actual server log and verify the time of the failures.  Stand by please . . . . . .

     

     

  • SpinalTap

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    Posted September 18th, 2008 17:00

    I have two guesses as to why the alert said that the drive was "removed"

     

    1.  The message meant that the drive had failed, and was thus "removed" from the RAID container to which it belonged, or

     

    2.  The drive had a catastrophic failure, drawing no power whatsoever, and the backplane detected this in the same way it does when a drive is physically removed.

     

    Just some guesses.

     

    What did the other alert message say?

  • KBeau

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    387 Posts

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    Posted September 18th, 2008 18:00

    The alerts times match my delivery times.

    System Log shows the first alert saying 'physical disk removed'

    2nd alert says 'virtual disk degraded' and 3rd alert says 'redundancy lost'.

     

    Just doesn't seem right to say it was removed when there was never an alert sent that it was even in a 'Predictive Failure' state.