On 04/10/17 19:44, Joe Landman wrote:
Generally speaking 3 failed drives on a RAID6 is a dead RAID6. You may
get lucky, in that this may have been simply a timeout error (I've seen
these on consumer grade drives), or an internal operation on the drive
taking longer than normal, and been booted. In which case, you'll get
scary warning messages, but might get your data back.
Under no circumstances do anything to change RAID metadata right now
(grow, shrink, etc.). Start with basic assembly. If you can do that,
you are in good shape. If you can't, recovery is unlikely, even with
heroic intervention.
No - Curt needs to stop the grow before anything else will work, I
think. Fortunately, seeing as it's hung at 0% this shouldn't mess about
with the data at all.
And you NEED to ddrescue that fifth drive. At which point basic assembly
should hopefully work fine.
(Note that the grow quite likely failed because the fifth drive errored
... Oh - and are they raid drives? What are they? You don't have a
timeout mismatch?)
Cheers,
Wol
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