On Friday 13 February 2009 23:16:15 you wrote:
> On Fri, February 13, 2009 10:44 pm, martin f krafft wrote:
> > also sprach Arthur Chuvashov <ar...@sugardas.lt> [2009.02.13.1002 +0100]:
>
> > [...]
> >> Array Size : 3907039232 (3726.04 GiB 4000.81 GB)
> > [...]
> >
> >> But /proc/mdstats contains invalid couln of blocks
> >>
> >> cat /proc/mdstat
> >> Personalities : [raid6] [raid5] [raid4]
> >> md0 : active (auto-read-only) raid6 sdf1[5] sde1[4] sdd1[3] sdc1[2]
> >> sdb1[1] sda1[0]
> >> 1759555584 blocks level 6, 1024k chunk, algorithm 2 [6/6] [UUUUUU]
>
> 3907039232-1759555584 == 2147483648 == 2^31
>
> It looks very much like you are using a 32-bit architecture and your
> kernel is compiled without CONFIG_LBD being set.
>
> Can you please report what your host architecture is, and confirm that
> CONFIG_LBD=y is set in your kernel .config file.
>
> NeilBrown
>
>
You are right, the above mentioned working raid6 was built on x86_64
architecture. CONFIG_LBD seems to have solved this issue, thank you!
cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md0 : active raid6 sdf1[5] sde1[4] sdd1[3] sdc1[2] sdb1[1] sda1[0]
3907039232 blocks level 6, 1024k chunk, algorithm 2 [6/6] [UUUUUU]
[=====>...............] resync = 26.8% (262123072/976759808)
finish=146.2min speed=81434K/sec
