Re: setting up raid10 with more than 4 drives

["Luke Lonergan" <LLonergan(at)greenplum(dot)com>]

Title: Re: [PERFORM] setting up raid10 with more than 4 drives

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(at)mathom(dot)us]
Sent:   Wednesday, May 30, 2007 11:11 AM Eastern Standard Time
To:     pgsql-performance(at)postgresql(dot)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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