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

  1. #1

    Unhappy 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?


  2. #2

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

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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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  3. #3

    Default Re: Creating a new Xen machine failes with read-only CD erro

    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 :-(

    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

  4. #4

    Default Re: Creating a new Xen machine failes with read-only CD erro

    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.

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