On Thursday March 20, maurice@xxxxxxxxxxxx wrote:
> Given this situation:
> 7 disks in total
> RAID5 of 6 disks, and a hot spare.
>
> mdadm show the 6 disks, but not the spare.
>
> As a maintenance question, where one wants to periodically ensure that
> the hot spare is both available and good.
> How should one best :
> 1) Verify the hot spare is still available.
- On the relevant line in mdadm.conf, put "spares=1"
- have a daily cron job that runs
mdadm --montor --scan --oneshot
It will report every day with a "SparesMissing" event if the right
number of spares is not present.
> 2) Verify that the hot spare is healthy?
Others have answered this.
NeilBrown
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