> Yes, that looks right.
Well, testing now (replacing sde)...
md5 : active raid10 sdc2[4](R) sdd2[3] sda2[0] sde2[2] sdb2[1]
725591552 blocks 256K chunks 2 near-copies [4/4] [UUUU]
[>....................] recovery = 0.6% (2505344/362795776) finish=107.4min speed=55909K/sec
bitmap: 5/173 pages [20KB], 2048KB chunk
One noteworthy thing is that the array didn't come up completely on boot...
Nov 22 06:14:54 science kernel: md: adding sda2 ...
Nov 22 06:14:54 science kernel: md: sda1 has different UUID to sda2
Nov 22 06:14:54 science kernel: md: adding sde2 ...
Nov 22 06:14:54 science kernel: md: sde1 has different UUID to sda2
Nov 22 06:14:54 science kernel: md: sdd3 has different UUID to sda2
Nov 22 06:14:54 science kernel: md: adding sdd2 ...
Nov 22 06:14:54 science kernel: md: sdd1 has different UUID to sda2
Nov 22 06:14:54 science kernel: md: sdc3 has different UUID to sda2
Nov 22 06:14:54 science kernel: md: adding sdb2 ...
Nov 22 06:14:54 science kernel: md: sdb1 has different UUID to sda2
Nov 22 06:14:54 science kernel: md: adding sdc2 ...
Nov 22 06:14:54 science kernel: md: sdc1 has different UUID to sda2
Nov 22 06:14:54 science kernel: md: created md5
Nov 22 06:14:54 science kernel: md: bind<sdc2>
Nov 22 06:14:54 science kernel: md: bind<sdb2>
Nov 22 06:14:54 science kernel: md: export_rdev(sdd2)
Nov 22 06:14:54 science kernel: md: bind<sde2>
Nov 22 06:14:54 science kernel: md: bind<sda2>
Nov 22 06:14:54 science kernel: md: running: <sda2><sde2><sdb2><sdc2>
Nov 22 06:14:54 science kernel: md: kicking non-fresh sdc2 from array!
Nov 22 06:14:54 science kernel: md: unbind<sdc2>
Nov 22 06:14:54 science kernel: md: export_rdev(sdc2)
Nov 22 06:14:54 science kernel: md/raid10:md5: active with 3 out of 4 devices
Nov 22 06:14:54 science kernel: created bitmap (173 pages) for device md5
Nov 22 06:14:54 science kernel: md5: bitmap initialized from disk: read 11 pages, set 0 of 354293 bits
Nov 22 06:14:54 science kernel: md5: detected capacity change from 0 to 743005749248
It came up with neither sdd2 nor sdc2 in the array, even though the rebuild of sdd2 (from
--zero-superblock) had finished before.
Adding sdd2 was a re-add and went smoothly, though.
Oh, if you think you need my S-o-b to send that 3.6.x patch to stable@
(personally, I dont't; all the original work is yours and all I did was
mechanical), feel free to add it.
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