Re: Server down-fail​ed RAID5-asking for some assistance

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On Thu, Apr 21, 2011 at 8:57 PM, NeilBrown <neilb@xxxxxxx> wrote:
..
> Possibly.
>
> It looks like sdb2 failed in October 2009 !!!! and nobody noticed.  So your
> array has been running degraded since then.

Hmm, I would say "Oops" but I guess I am happy it was not my job to watch this.
> If you
>
>  mdadm -A /dev/md1 --force /dev/sd[acd]2
>
> Then you will have your array back,..

I will be grabbing a set of 4 new drives, plus a spare tomorrow morning.

Thanks VERY much for this!

> Also run "mdadm --monitor" configured to send you email if there is a drive
> failure.

I will do some more reading to figure out how to do that I guess.
Good to know that is possible.

>  Also run "mdadm --monitor --oneshot" from a cron tab every day so
> that if you have a degraded array it will nag you about it every day.

More good stuff.
Is there a reasonably good book that one can read to learn this stuff?
I read the man pages and my head is still fuzzy.

> Good luck,
> NeilBrown

Thank you, and much obliged!
I **hope** I will not have to bug you any more about this.
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