Re: [Xen-users] Manage tape on guest win2k3

[Rémi BERNIER <R.BERNIER@xxxxxxxxxxx>]

Hi Nick and thanks for your reply,

I just test the removing st module,
but when i want attach the scsi tape, I have this error:

# xm scsi-attach 1 7:0:6:0 7:0:6:0
Error: Writing vscsi-devs/dev-0/p-devname:
None: argument 3 must be string or read-only buffer, not None

and I have nothing in "xm scsi-list
1"

I thinks it's because now i haven't
the /dev/st0:
# lsscsi
[7:0:6:0]    tape    CERTANCE
ULTRIUM 2        1914  -

With st module:
# lsscsi
[7:0:6:0]    tape    CERTANCE
ULTRIUM 2        1914  /dev/st0

If you have an other idea..
Thanks in advance,

I will test to hide the scsi-controller
at the boot.of my dom0:
pciback.hide=(...)

Rémi



>Try removing the st module from dom0 (rmmod st).
 This should insure
>that dom0 is not using the tape drive at all.

>-Nick

>>>> On 2010/02/01 at 01:04, Rémi BERNIER<R.BERNIER@xxxxxxxxxxx>
wrote:

>> Hi Everybody,
> 
> I have a problem with my magnetic tape drive, I control the tape with

> BackupExec on my guest win2k3.
> BackupExec see it right my tape drive but for him the tape is in 
use...
> I think it's my dom0 use it, because i can pilot the tape drive with
the 
> command "mt" on dom0...
> 
> So for me i need to hide the tape to boot ... but this line in grub
have 
> no impact :
> module         /boot/vmlinuz-2.6.18.8-xen-amd64
root=/dev/sda1 ro 
> console=tty0 scsiback.permissive scsiback.hide=(6:0:6:0)
> 
> If you have an idea on this subject, I listen you !!
> 
> Thanks for your answer in advance.
> 
> Rémi
> 
> Conf:
> Debian lenny, kernel 2.6.18-8x86_64-xen, xen 3.4.2 (xenbits)



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