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(parent: 31c176e) | patch
md/raid5: use bad-block log to improve handling of uncorrectable read errors.
authorNeilBrown <neilb@suse.de>
Thu, 28 Jul 2011 01:39:22 +0000 (11:39 +1000)
committerNeilBrown <neilb@suse.de>
Thu, 28 Jul 2011 01:39:22 +0000 (11:39 +1000)
commit7f0da59bdc2f65795a57009d78f7753d3aea1de3
tree4ab3ae7188122657c12dfab61626d96360fb6240tree | snapshot
parent31c176ecdf3563140e6395249eda51a18130d9f6commit | diff
md/raid5: use bad-block log to improve handling of uncorrectable read errors.

If we get an uncorrectable read error - record a bad block rather than
failing the device.
And if these errors (which may be due to known bad blocks) cause
recovery to be impossible, record a bad block on the recovering
devices, or abort the recovery.

As we might abort a recovery without failing a device we need to teach
RAID5 about recovery_disabled handling.

Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/raid5.c diff | blob | history
drivers/md/raid5.h diff | blob | history
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