geom/raid/tr_raid1.c

53     "Amount of the disk to rebuild each read/write cycle of the rebuild.");
61     "Fraction of the I/O bandwidth to use when disk busy for rebuild.");
173 		/* Make sure we have at least one ACTIVE disk. */
177 			 * Critical situation! We have no any active disk!
178 			 * Choose the best disk we have to make it active.
229     struct g_raid_disk *disk)
232 	 * We don't fail the last disk in the pack, since it still has decent
233 	 * data on it and that's better than failing the disk if it is the root
243 	g_raid_fail_disk(sc, sd, disk);
364 		    "No active disk to rebuild.  night night.");
394 		    "No failed disk to rebuild.  night night.");
420 	 * good disk and one bad disk, we don't do anything.  And if there's a
421 	 * 'good disk' stored in the trs, then we're in progress and we punt.
490  * Select the disk to read from.  Take into account: subdisk state, running
491  * error recovery, average disk load, head position and possible cache hits.
515 		/* If disk head is precisely in position - highly prefer it. */
519 		/* If disk head is close to position - prefer it. */
584 			 * resync'd disk is very close and writing it will
628 	 * even when the disk is busy.  Be sure to only count real I/O
629 	 * to the disk.  All 'SPECIAL' I/O is traffic generated to the disk
679 		 * bunch of I/Os to the disk (to make sure an active system
783 		 * another disk drive, if available, before erroring out the
805 		 * Find the other disk, and try to do the I/O to it.
833 		 * through.  This will happen when there's only one good disk.
848 		 * disk, remapping the bad sector.  Do we need to do that by
869 		 * For any write errors, we agressively fail the disk since
936 			 * resync'd disk is very close and writing it will