It's created when the data is written to both drives.
This is standard stuff, very well proven: try googling 'self healing zfs'.
- Luke
Msg is shrt cuz m on ma treo
-----Original Message-----
From: Michael Stone [mailto:mstone+postgres@mathom.us]
Sent: Wednesday, May 30, 2007 11:11 AM Eastern Standard Time
To: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] setting up raid10 with more than 4 drives
On Wed, May 30, 2007 at 10:36:48AM -0400, Luke Lonergan wrote:
>> I don't see how that's better at all; in fact, it reduces to
>> exactly the same problem: given two pieces of data which
>> disagree, which is right?
>
>The one that matches the checksum.
And you know the checksum is good, how?
Mike Stone
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