From: Stefan Hajnoczi <stefanha@gmail.com>
To: Charles Arnold <carnold@suse.com>
Cc: Kevin Wolf <kwolf@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] block: vpc support for ~2 TB disks
Date: Mon, 19 Nov 2012 12:50:19 +0100 [thread overview]
Message-ID: <20121119115019.GA29775@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <50903FB402000091000826B3@novprvoes0310.provo.novell.com>
On Tue, Oct 30, 2012 at 08:59:32PM -0600, Charles Arnold wrote:
> The VHD specification allows for up to a 2 TB disk size. The current
> implementation in qemu emulates EIDE and ATA-2 hardware which only allows
> for up to 127 GB. This disk size limitation can be overridden by allowing
> up to 255 heads instead of the normal 4 bit limitation of 16. Doing so
> allows disk images to be created of up to nearly 2 TB. This change does
> not violate the VHD format specification nor does it change how smaller
> disks (ie, <=127GB) are defined.
>
> Signed-off-by: Charles Arnold <carnold@suse.com>
Thanks, applied to my block-next tree:
https://github.com/stefanha/qemu/commits/block-next
Stefan
next prev parent reply other threads:[~2012-11-19 11:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-31 2:59 [Qemu-devel] [PATCH] block: vpc support for ~2 TB disks Charles Arnold
2012-11-19 11:50 ` Stefan Hajnoczi [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-11-12 19:12 Charles Arnold
2012-11-13 10:46 ` Paolo Bonzini
2012-11-13 10:56 ` Stefano Stabellini
2012-11-14 16:25 ` Thanos Makatos
2012-11-14 16:35 ` Paolo Bonzini
2012-11-15 16:46 ` Charles Arnold
2012-11-15 17:00 ` Paolo Bonzini
2012-11-15 17:48 ` Thanos Makatos
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