Re: raid1 creation :: not large enough to join array

[Ross Walker <rswwalker@xxxxxxxxx>]

On Jan 16, 2010, at 10:27 AM, Adrian Sevcenco  
<Adrian.Sevcenco@xxxxxxx> wrote:

> Hi!
> I have 2 identical hdd (1002FBYS) with the same firmware, etc ..  
> really
> identical! when i try to add the second hdd to this raid1 array i have
> the message that /dev/sdb is not large enough to join array!!
> on the first hdd i have 100 mb unpartitioned at the end of disk (as i
> understood that mdadm put there some info...)
> Anyone, any idea what can be wrong? i already done this procees  
> several
> times and this is first time i encounter this and i have no idea what
> can be the problem ..

Make sure the partitions are exactly the same, you can use sfdisk to  
copy the table from a to b.

-Ross

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