Fix: Raid-6 was not trying to correct a read-error when in
singly-degraded state and was instead dropping one more device, going to
doubly-degraded state. This patch fixes this behaviour.
Signed-off-by: Gabriele A. Trombetti <g.trombetti.lkrnl1213@xxxxxxxxxxxxxxx>
Reported-by: Janos Haar <janos.haar@xxxxxxxxxxxx>
--------
--- linux-2.6.34-rc5-git8-vanilla/drivers/md/raid5.c 2010-04-28
13:05:03.000000000 +0200
+++ linux-2.6.34-rc5-git8/drivers/md/raid5.c 2010-04-28
13:08:15.000000000 +0200
@@ -1527,7 +1527,7 @@ static void raid5_end_read_request(struc
clear_bit(R5_UPTODATE, &sh->dev[i].flags);
atomic_inc(&rdev->read_errors);
- if (conf->mddev->degraded)
+ if (conf->mddev->degraded >= conf->max_degraded)
printk_rl(KERN_WARNING
"raid5:%s: read error not correctable "
"(sector %llu on %s).\n",
---------------------------------------------------------------
Thanks,
Gabriele A. Trombetti
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