[zfs-discuss] root pool mirror problems

Matt Keenan
2010-05-20T09:50:07Z

As queried by Ian, the new disk being attached must be at least as big
as the original root pool disk. It can be bigger, but the difference
will not be used in the mirroring.

cheers

Matt

On 05/20/10 10:11 AM, Ian Collins wrote:
> On 05/20/10 08:39 PM, roi shidlovsky wrote:
>> hi.
>> i am trying to attach a mirror disk to my root pool. if the two disk
>> are the same size.. it all works fine, but if the two disks are with
>> different size (8GB and 7.5GB) i get a "I/O error" on the
attach
>> command.
>>
>> can anybody tell me what am i doing wrong?
> Trying to mirror a larger disk with a smaller one?
>
> Recent builds can cope with a small difference to allow for variations
> between models of the same nominal size, but not 500MB.
>