From: Michal Soltys <soltys@ziu.info>
To: Michael Evans <mjevans1983@gmail.com>
Cc: Khelben Blackstaff <eye.of.the.8eholder@gmail.com>,
linux-raid@vger.kernel.org
Subject: Re: Alignment of RAID on specific boundary
Date: Tue, 05 Jan 2010 08:50:21 +0100 [thread overview]
Message-ID: <4B42EF3D.9000507@ziu.info> (raw)
In-Reply-To: <4877c76c1001042257h49103054t977de11410eb65c6@mail.gmail.com>
Michael Evans wrote:
>
> It starts the LVM2 header after 0x3000 bytes (64K chunk size); I'd
> hope to see it around 0x10000.
>
> It looks like the data isn't padded up to the desired offset.
>
> I agree, it would be useful to have an option to specify the offset of
> the first data chunk.
Regarding lvm, you can use --dataalignment and --metadatasize for that purpose.
Recent lvm versions, when creating directly on md raid (and assuming recent kernel),
should align themselves automatically:
http://www.redhat.com/archives/linux-lvm/2009-September/msg00092.html
next prev parent reply other threads:[~2010-01-05 7:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-04 19:30 Alignment of RAID on specific boundary Khelben Blackstaff
2010-01-04 21:14 ` David Rees
2010-01-04 21:51 ` Khelben Blackstaff
2010-01-05 8:24 ` Antonio Perez
2010-01-05 13:02 ` Khelben Blackstaff
2010-01-05 6:57 ` Michael Evans
2010-01-05 7:50 ` Michal Soltys [this message]
2010-01-05 13:44 ` Khelben Blackstaff
2010-01-05 15:35 ` John Robinson
2010-01-06 1:46 ` Michael Evans
[not found] ` <7b3edae11001060500g2d63f2cav81bf8a90fc0b946b@mail.gmail.com>
2010-01-06 14:44 ` Khelben Blackstaff
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