Re: Question: how to identify failing disk in a RAID1

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Maurice Hilarius wrote:
Morning Bill.

BTW< I want to say "Thanks for your help with this" first.
Just in case I forgot.

So, I ran "check" once. It complained, and failed.

Does the failure provide any useful information?

A few hours later, I ran it again, and it immediately returned "0"

I totally don't understand that, assuming that the first check was sone.

I am still puzzled:
Why it failed the first time
Why it returned a result in a couple of seconds the second time.
What it tells me?
   I gather this means the md0 device is healthy.

I don't think so, I've never had a check *fail*, I just expect it to tell me how bad things are.

So, meanwhile back at the ranch, I still think sda is failing..

I think it's time to be keeping a good backup, and hopefully someone else has a good thought on running this down more.

Any thoughts on that?

The only thought I have at the moment is marginal power supply, and that's just because it can generate all manner of odd behaviors, rather than any other hints. Sorry.

If you aren't getting errors from SMART or logs, and I don't remember you sending me that info, I'm not sure how you determine which drive is the problem.

--
Bill Davidsen <davidsen@xxxxxxx>
 "Woe unto the statesman who makes war without a reason that will still
be valid when the war is over..." Otto von Bismark

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