Re: Assembly failure

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Brian Candler wrote:

------------------------------------

One final point. I would like to be able to monitor for suspect or failed
drives.  Is my best bet to look at /proc/mdstat output and identify drives
which have been kicked out of the array?  Or to monitor SMART variables (in
that case though I need to decide which ones are the most important to
monitor, and what thresholds to set)?

-------------------------------------------

For years I have used smartd without issues and it will log and email anomalies as they occur.

It is also advisable to regularly "scrub" all md devices, to flush out faulty sectors:

echo check > /sys/block/mdX/md/sync_action

See Documentation/md.txt for details.

Regards,

Richard
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