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From: "Ian C. Blenke" <ian@blenke.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: qemu disk on vfat
Date: Mon, 08 May 2006 18:23:41 -0400	[thread overview]
Message-ID: <445FC4ED.6090508@blenke.com> (raw)
In-Reply-To: <1147218062.9211.2.camel@localhost>

Yann Le Doaré wrote:

>You are right ! :
>
>sh-2.05b# qemu-img create /mnt/partitions/windows0/qmeu-disk 4M
>Formating '/mnt/partitions/windows0/qmeu-disk', fmt=raw, size=4096 kB
>sh-2.05b# ls -al /mnt/partitions/windows0/qmeu-disk            
>-rwxr-xr-x    1 root     root            0 2006-05-09
>23:37 /mnt/partitions/windows0/qmeu-disk
>sh-2.05b# qemu-img create /mnt/partitions/windows0/qmeu-disk 40M
>Formating '/mnt/partitions/windows0/qmeu-disk', fmt=raw, size=40960 kB
>sh-2.05b# ls -al /mnt/partitions/windows0/qmeu-disk             
>-rwxr-xr-x    1 root     root            0 2006-05-09
>23:38 /mnt/partitions/windows0
>  
>

FAT filesystems don't do sparse files (files with "holes" in them).

The qemu-img "raw" option attempts to create sparse disk images.

Create the image on a filesystem that does support sparse files and then 
_copy_ those sparse files to a FAT filesystem and they'll work just fine.

 - Ian C. Blenke <ian@blenke.com> http://ian.blenke.com/

      parent reply	other threads:[~2006-05-08 22:23 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-08 10:04 [Qemu-devel] qemu disk on vfat Yann Le Doaré
2006-05-07  8:44 ` André Braga
2006-05-08 10:41   ` Yann Le Doaré
2006-05-07 15:50     ` [Qemu-devel] " Alex
2006-05-07 11:00 ` [Qemu-devel] " NyOS
2006-05-07 13:47   ` Jernej Simončič
2006-05-08 19:44   ` Yann Le Doaré
2006-05-08 14:57     ` Jan Marten Simons
2006-05-09 21:05       ` Yann Le Doaré
2006-05-07 11:21 ` Johannes Schindelin
2006-05-08 21:12 ` [Qemu-devel] " Anthony Liguori
2006-05-09 23:41   ` Yann Le Doaré
2006-05-08 22:05     ` Michael McConnell
2006-05-08 22:48       ` Jim C. Brown
2006-05-08 23:10         ` Jim C. Brown
2006-05-08 23:50           ` Jim C. Brown
2006-05-09  1:36             ` Anthony Liguori
2006-05-09  2:11               ` Paul Brook
2006-05-16 17:21             ` Jim C. Brown
2006-05-08 22:23     ` Ian C. Blenke [this message]

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