On 29 Nov 2008, at 09:35, Philipp Haußleiter wrote:

> Hello...
>
> i have somehow a strange problem.
> I build a normal zfs pool of two disks (jbod) and set some folders  
> to copies=2

Mirrored disks?

> Yesterday one of the disks failed and so the zpool status changed to:
>
>> pool: tank
>> state: DEGRADED
>> status: One or more devices could not be opened. Sufficient  
>> replicas exist for
>> the pool to continue functioning in a degraded state.
>> action: Attach the missing device and online it using 'zpool online'.
>
> I replaced the failed disk with a new one with the same size and the  
> same time.

What zpool commands did you run at this point?

<http://www.solarisinternals.com/wiki/index.php/ZFS_Best_Practices_Guide#Simple_or_Striped_Storage_Pool_Limitations
 
 >

suggests you should have done:

        zpool replace pool olddev newdev.

Cheers,

Chris
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