Rebuild after catastrophic event?

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G'day all,

With 2.4 kernels I recall that md would resync an array after a catastrophic event (like a power failure or kernel oops/panic). 2.6 does not seem to do that and just merrily fires up the array and continues on its way. Is there a reason for the change in behaviour?

I'm wondering if I should force a resync with mdadm after such an event?

I know it used to resync, and the server at work (running 2.4.26) certainly does on next powerup.

The only other change is I recall I used to have md autodetect the arrays on startup, and now I use mdadm to start them, but that should not matter. (should it?)

Regards,
Brad (who came home to find a paniced box and thus must ask the question)
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