Re: RAID6 array won't start

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On Fri, 11 Feb 2011 17:36:08 -0500 Christian <cjs703@xxxxxxxxx> wrote:

> Here it is again, there were a few other messages in there at the beginning.
> 
> [70745.855861] md: md1 stopped.
> [70745.859303] md: bind<sdm1>
> [70745.859576] md: bind<sdr1>
> [70745.859720] md: bind<sds1>
> [70745.860265] md: bind<sdq1>
> [70745.860428] md: bind<sdk1>
> [70745.860680] md: bind<sdf1>
> [70745.860839] md: bind<sdg1>
> [70745.860986] md: bind<sdl1>
> [70745.861169] md: bind<sde1>
> [70745.861359] md: bind<sdt1>
> [70745.861407] md: kicking non-fresh sds1 from array!
> [70745.861411] md: unbind<sds1>
> [70745.870570] md: export_rdev(sds1)
> [70745.870598] md: kicking non-fresh sdm1 from array!

That shouldn't happen when you use -f ....

Could be that you hit the mdadm bug fixed by commit  67a8c82d606
which is in mdadm-2.6
What version of mdadm are you running???

(I note you have got your data back by other means - good!)

NeilBrown



> [70745.870602] md: unbind<sdm1>
> [70745.882561] md: export_rdev(sdm1)
> [70745.883324] md/raid:md1: not clean -- starting background reconstruction
> [70745.883333] md/raid:md1: device sdt1 operational as raid disk 1
> [70745.883335] md/raid:md1: device sde1 operational as raid disk 9
> [70745.883337] md/raid:md1: device sdl1 operational as raid disk 8
> [70745.883339] md/raid:md1: device sdg1 operational as raid disk 7
> [70745.883340] md/raid:md1: device sdf1 operational as raid disk 6
> [70745.883342] md/raid:md1: device sdk1 operational as raid disk 5
> [70745.883344] md/raid:md1: device sdq1 operational as raid disk 4
> [70745.883345] md/raid:md1: device sdr1 operational as raid disk 2
> [70745.884038] md/raid:md1: allocated 10572kB
> [70745.884057] md/raid:md1: cannot start dirty degraded array.
> [70745.884065] RAID conf printout:
> [70745.884066]  --- level:6 rd:10 wd:8
> [70745.884068]  disk 1, o:1, dev:sdt1
> [70745.884069]  disk 2, o:1, dev:sdr1
> [70745.884070]  disk 4, o:1, dev:sdq1
> [70745.884072]  disk 5, o:1, dev:sdk1
> [70745.884073]  disk 6, o:1, dev:sdf1
> [70745.884074]  disk 7, o:1, dev:sdg1
> [70745.884076]  disk 8, o:1, dev:sdl1
> [70745.884077]  disk 9, o:1, dev:sde1
> [70745.884370] md/raid:md1: failed to run raid set.
> [70745.884372] md: pers->run() failed ...

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