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authorNeilBrown <neilb@suse.de>2011-07-28 11:39:22 +1000
committerNeilBrown <neilb@suse.de>2011-07-28 11:39:22 +1000
commit7f0da59bdc2f65795a57009d78f7753d3aea1de3 (patch)
tree4ab3ae7188122657c12dfab61626d96360fb6240 /ipc/Makefile
parent31c176ecdf3563140e6395249eda51a18130d9f6 (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>
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