Creating a new Xen machine failes with read-only CD error

I really do not know what to do.

I want to install Windows XP in a new Virtual Xen machine, and I get an error saying, that my CDROM-Filesystem is read-only. Sure it is!

The device name is correct, I can mount the CD and I see the expected content. The CD is in the drive too.

What’s wrong? Any idea?

http://www.bilder-hochladen.net/files/big/ba0w-1.png

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Just to be clear when you mount it and view the CD’s contents you are
mounting /dev/cdrom2 and not /dev/cdrom or /dev/hda or something like
that, right? The ‘mount’ command would show all of that fairly easily
though I’m guessing you already knew that.

Good luck.

Wurgl wrote:
> I really do not know what to do.
>
> I want to install Windows XP in a new Virtual Xen machine, and I get an
> error saying, that my CDROM-Filesystem is read-only. Sure it is!
>
> The device name is correct, I can mount the CD and I see the expected
> content. The CD is in the drive too.
>
> What’s wrong? Any idea?
>
> [image: http://www.bilder-hochladen.net/files/big/ba0w-1.png]
>
>
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somename:~ # mount /dev/cdrom2 /mnt
mount: block device /dev/sr0 is write-protected, mounting read-only

somename:~ # mount | grep mnt
/dev/sr0 on /mnt type iso9660 (ro)

somename:~ # ls /mnt
autorun.inf bootfont.bin docs dotnetfx i386 readme.htm setup.exe setupxp.htm support valueadd win51 win51ic win51ic.sp2

somename:~ # ls -l /dev/cdrom2
lrwxrwxrwx 1 root root 3 Jun 5 18:34 /dev/cdrom2 -> sr0

somename:~ # ls -l /dev/sr0
brw-r----- 1 root disk 11, 0 Jun 5 18:34 /dev/sr0

somename:~ # dmesg | grep ata6
ata6: SATA max UDMA/133 cmd 0xa880 ctl 0xa800 bmdma 0xa488 irq 23
ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata6.00: ATAPI: TSSTcorp CDDVDW SH-S223F, SB03, max UDMA/100
ata6.00: configured for UDMA/100

somename:~ # dmesg | grep CD
ata6.00: ATAPI: TSSTcorp CDDVDW SH-S223F, SB03, max UDMA/100
scsi 5:0:0:0: CD-ROM TSSTcorp CDDVDW SH-S223F SB03 PQ: 0 ANSI: 5
Uniform CD-ROM driver Revision: 3.20
sr 5:0:0:0: Attached scsi CD-ROM sr0

Just in case it rings a bell … it is this motherboard …
Super Micro Computer, Inc. - Aplus Products | Motherboards | H8DAE-2

Yep! I know that … I also tried to install with /dev/sr0, same behaviour :frowning:

Seems that I have to use good old vi and hack some config files, is sure not to hard, but I am very lazy, at least on the weekend :wink:

Solved or better worked around.

I copied the CD-Image to the harddisk and use this image as the CDROM-Drive.

Seems to work so far, Windows is installing.