On Wednesday May 30, [EMAIL PROTECTED] wrote:
> Hi,
> 
> 
> the following command strangely gives -EIO ...
> 12:27 sun:~ # mdadm -C /dev/md4 -l 1 -n 2 -e 1.0 -b internal /dev/ram0 
> missing
> 
> md: md4: raid array is not clean -- starting background reconstruction
> md4: failed to create bitmap (-5)
> md: pers->run() failed ...
> mdadm: RUN_ARRAY failed: Input/output error
> mdadm: stopped /dev/md4
> 
> Leaving out -b internal creates the array. /dev/ram0 or /dev/sda5 - EIO 
> happens on both. (But the disk is fine, like ram0)
> Where could I start looking?
> 
> Linux sun 2.6.21-1.3149.al3.8smp #3 SMP Wed May 30 09:43:00 CEST 2007 
> sparc64 sparc64 sparc64 GNU/Linux
> mdadm 2.5.4

I'm fairly sure this is fixed in 2.6.2.  It is certainly worth a try.

NeilBrown
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