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April 20th, 2012 06:00

CX4 Disk Copying off to hot spare

Why is my disk copying off to the hot spare if there are no indications of a drive failure?  Should I have the disk replaced that its copying off from?

April 20th, 2012 07:00

Hi,

Usually proactive Hotspare (copying to Hotspare) happened when the drive is nearly failing.,  This need an investigation to check why proactive hotspare is happening..., I would request you to generate SP collects and open a chat with CLARiiON team to review the SP collects.

Regards,

Suman Pinnamaneni.

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81 Posts

April 20th, 2012 07:00

As I was reading your reply, the drive failed.  I have opened a case with EMC and have a new drive on the way.

474 Posts

April 20th, 2012 10:00

If the drive reaches a certain level of errors, it will proactively copy the data to a new disk, and then fail the original drive. The proactive copy is much less overhead on the array/performance than a rebuild operation, as such proactive copy is preferred.

Richard J Anderson

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