On Sun, August 23, 2009 10:02 pm, Lucian È?andor wrote: > Hi all, > > I am growing a RAID5 to the sixth disk which used to be spare. When I > woke up this morning, I found reshape went over 100%. > > Here are some details: And very odd details they are! Can you tell me exactly what version of mdadm and Linux you are using, and provide the kernel logs from the time when the reshape started and anything else from the kernel logs that might be related to this arrays? Thanks, NeilBrown > > The newest drive is sde8. Prior to starting the grow operation, I > removed the internal bitmap (otherwise grow fails). After starting the > reshape I increased speed_limit_min to 500000 and speed_limit_max to > 5000000. > > battlecruiser:~ # cat /proc/mdstat > Personalities : [raid6] [raid5] [raid4] [raid0] [raid1] > md2 : active raid5 sde8[6] sdc8[0] sdb8[5] sdf8[4] sda8[3] sdd8[1] > 3818585088 blocks super 1.0 level 5, 128k chunk, algorithm 0 > [6/6] [UUUUUU] > [=====================>] reshape =106.5% (508767236/477323136) > finish=39803743.6min speed=7148K/sec > ..... other RAIDs..... > unused devices: <none> > > > battlecruiser:~ # mdadm --detail /dev/md2 > /dev/md2: > Version : 1.00 > Creation Time : Tue Jul 7 23:37:30 2009 > Raid Level : raid5 > Array Size : 3818585088 (3641.69 GiB 3910.23 GB) > Used Dev Size : 1909292544 (1820.84 GiB 1955.12 GB) > Raid Devices : 6 > Total Devices : 6 > Persistence : Superblock is persistent > Update Time : Sun Aug 23 07:49:05 2009 > State : clean > Active Devices : 6 > Working Devices : 6 > Failed Devices : 0 > Spare Devices : 0 > Layout : left-asymmetric > Chunk Size : 128K > Delta Devices : 1, (5->6) > Name : linux:2 > UUID : ed7d15cd:1cad6a1c:3b3f4b49:ea68d0c6 > Events : 1574658 > Number Major Minor RaidDevice State > 0 8 40 0 active sync /dev/sdc8 > 1 8 56 1 active sync /dev/sdd8 > 3 8 8 2 active sync /dev/sda8 > 4 8 88 3 active sync /dev/sdf8 > 5 8 24 4 active sync /dev/sdb8 > 6 8 72 5 active sync /dev/sde8 > > > battlecruiser:~ # mdadm --examine /dev/sda8 > /dev/sda8: > Magic : a92b4efc > Version : 1.0 > Feature Map : 0x4 > Array UUID : ed7d15cd:1cad6a1c:3b3f4b49:ea68d0c6 > Name : linux:2 > Creation Time : Tue Jul 7 23:37:30 2009 > Raid Level : raid5 > Raid Devices : 6 > Avail Dev Size : 1909292784 (910.42 GiB 977.56 GB) > Array Size : 9546462720 (4552.11 GiB 4887.79 GB) > Used Dev Size : 1909292544 (910.42 GiB 977.56 GB) > Super Offset : 1909293040 sectors > State : clean > Device UUID : b53ba38b:2c061f4a:3c3c7a8f:480eec39 > Reshape pos'n : 2557671680 (2439.19 GiB 2619.06 GB) > Delta Devices : 1 (5->6) > Update Time : Sun Aug 23 07:54:32 2009 > Checksum : d2e31480 - correct > Events : 1576210 > Layout : left-asymmetric > Chunk Size : 128K > Array Slot : 3 (0, 1, failed, 2, 3, 4, 5) > Array State : uuUuuu 1 failed > > battlecruiser:~ # mdadm --examine /dev/sde8 > /dev/sde8: > Magic : a92b4efc > Version : 1.0 > Feature Map : 0x4 > Array UUID : ed7d15cd:1cad6a1c:3b3f4b49:ea68d0c6 > Name : linux:2 > Creation Time : Tue Jul 7 23:37:30 2009 > Raid Level : raid5 > Raid Devices : 6 > Avail Dev Size : 1909292784 (910.42 GiB 977.56 GB) > Array Size : 9546462720 (4552.11 GiB 4887.79 GB) > Used Dev Size : 1909292544 (910.42 GiB 977.56 GB) > Super Offset : 1909293040 sectors > State : clean > Device UUID : 0829adf4:f920807f:b99e30b9:43010401 > Reshape pos'n : 2559514880 (2440.94 GiB 2620.94 GB) > Delta Devices : 1 (5->6) > Update Time : Sun Aug 23 07:55:13 2009 > Checksum : 6254b335 - correct > Events : 1576450 > Layout : left-asymmetric > Chunk Size : 128K > Array Slot : 6 (0, 1, failed, 2, 3, 4, 5) > Array State : uuuuuU 1 failed > > I am a bit confused, since according to examine commands, the grow > operation is ongoing. Also, some of these commands show the raid as > failed, some as clean. > > What should I do next? I am tempted to restart reshaping, but then > maybe examine output is correct. > > Thanks in advance, > Lucian > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
