zfs: unexpected resilver of old disk when attaching a new mirror disk

[Chris Ruiz]

On Thu, Apr 22, 2010 at 12:58 PM, Martin Simmons <martin at lispworks.com> wrote:
>>>>>> On Thu, 22 Apr 2010 17:11:06 +0200, Adam Nowacki said:
>>
>> My best guess is metadata updates to refer to the 2nd disk. I've seen
>> same behavior when replacing a bad disk in 10 disk raidz2 pool. No data
>> was affected.
>
> I would expect all new writes to automatically go to all disks though, so they
> wouldn't be counted as resilvering.
>
> __Martin

I don't know the reason why this happens but I do know that it's
normal and that your data is ok.

-- Chris

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