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CE's replaced failed disk last week. Now "showpd" doesn't show disk at all !

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Frequent Advisor

CE's replaced failed disk last week. Now "showpd" doesn't show disk at all !

Has this happened to anybody else?  We assumed that the PD was rebuilding or something, but it's been a week.  Do we have to do anything?  Did our CE make a mistake?  BTW, this has happened TWICE, once on one array, once on another array.

 

     Stuart

5 REPLIES
Frequent Advisor

Re: CE's replaced failed disk last week. Now "showpd" doesn't show disk at all !

These Arrays are HP 3PARs.
HPE Pro

Re: CE's replaced failed disk last week. Now "showpd" doesn't show disk at all !

The replaced drive will have a different PD Id. So if you are looking for the original PD ID you will not see it.

Can you confirm if you can see any other PD in the same location as the failed PD?

I work for HP
Acclaimed Contributor [Founder]

Re: CE's replaced failed disk last week. Now "showpd" doesn't show disk at all !

If a disk has been replaced, let's say PDID 99, the replacement disk will get the next available PDID, let's say 199.

Same will happen when the next disk will be replaced, but then the next free ID will be 99 again.

After all data is restored to the new disk, the system will do a "dismisspd", so the old PDID will disappear.

Hope this helps!
Regards
Torsten.

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Frequent Advisor

Re: CE's replaced failed disk last week. Now "showpd" doesn't show disk at all !

You are absolutely correct.  Both of you.  We found the disks (PDs) with different PD-IDs.  Who would have thought!

 

     Stuart

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Acclaimed Contributor [Founder]

Re: CEs replaced failed disk last week. Now showpd doesn't show disk at all

If you do a "showpd -i" you can match up the WWN with the drive labels.