On Friday December 15, [email protected] wrote:
> From: Neil Brown <[email protected]>
> Date: Wed, Dec 06, 2006 at 06:20:57PM +1100
> > i.e. current -mm is good for 2.6.20 (though I have a few other little
> > things I'll be sending in soon, they aren't related to the raid6
> > problem).
> >
> 2.6.20-rc1-mm1 doesn't boot on my box, due to the fact that e2fsck gives
>
> Buffer I/O error on device /dev/md0, logical block 0
>
But before that....
> raid5: device sdh1 operational as raid disk 1
> raid5: device sdg1 operational as raid disk 0
> raid5: device sdf1 operational as raid disk 5
> raid5: device sde1 operational as raid disk 6
> raid5: device sdd1 operational as raid disk 7
> raid5: device sdc1 operational as raid disk 3
> raid5: device sdb1 operational as raid disk 2
> raid5: device sda1 operational as raid disk 4
> raid5: allocated 8462kB for md0
> raid5: raid level 6 set md0 active with 8 out of 8 devices, algorithm 2
> RAID5 conf printout:
> --- rd:8 wd:8
> disk 0, o:1, dev:sdg1
> disk 1, o:1, dev:sdh1
> disk 2, o:1, dev:sdb1
> disk 3, o:1, dev:sdc1
> disk 4, o:1, dev:sda1
> disk 5, o:1, dev:sdf1
> disk 6, o:1, dev:sde1
> disk 7, o:1, dev:sdd1
> md0: bitmap initialized from disk: read 15/15 pages, set 1 bits, status: 0
> created bitmap (233 pages) for device md0
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sde1, disabling device. Operation continuing on 7 devices
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sdg1, disabling device. Operation continuing on 6 devices
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sdf1, disabling device. Operation continuing on 5 devices
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sdc1, disabling device. Operation continuing on 4 devices
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sdb1, disabling device. Operation continuing on 3 devices
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sdh1, disabling device. Operation continuing on 2 devices
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sdd1, disabling device. Operation continuing on 1 devices
> md: super_written gets error=-5, uptodate=0
> raid5: Disk failure on sda1, disabling device. Operation continuing on 0 devices
Oh dear, that array isn't much good any more.!
That is the second report I have had of this with sata drives. This
was raid456, the other was raid1. Two different sata drivers are
involved (sata_nv in this case, sata_uli in the other case).
I think something bad happened in sata land just recently.
The device driver is returning -EIO for a write without printing any messages.
NeilBrown
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