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Re: [linux-lvm] can't mount vfat fs on lvm created by winxp guest on xen



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Yann Boutin wrote:
> Greetings, 
> I've had no success with mounting a vfat file system created by a 
> Windows XP guest on a lvm volume. Windows XP guest is running under xen 3.0.5 rc3.
> 
> # mount -t vfat /dev/vg1/win1 /mnt/
> mount: wrong fs type, bad option, bad superblock on /dev/vg1/win1,
>        missing codepage or other error
>        In some cases useful info is found in syslog - try
>        dmesg | tail  or so
> 

Presumably, the windows install partitioned the raw storage?

Try running "file -s /dev/vg1/win1". If it says something like this:

/dev/sda: x86 boot sector; partition 1: ID=0x83, active, starthead 1,
startsector 63, 208782 sectors; partition 2: ID=0x8e, starthead 0,
startsector 208845, 195157620 sectors, code offset 0x48

Then there's a partition table on the device and the VFAT file system is
in a partition on it.

You can map those partitions using kpartx. Run:

kpartx -a /dev/vg1/win1

And you should see some new entries in /dev/mapper like win1p1 win1p2
etc. You can remove them with:

kpartx -d /dev/vg1/win1

Regards,
Bryn.

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