Hi,

im trying to attach another volume aka disk to win HVM, however it
doesn't seem to work:

+ xm block-attach win2008ss phy:/dev/zvol/dsk/pool1/win2008ss.dsk2 \
        hdd:disk w 0

results in:

elkner.sol ~ > + xm block-list win2008ss --long
(0
    (vbd
        (uuid 7cb8fadf-619d-dde6-bda9-dcc18023c7d5)
        (bootable 1)
        (devid 768)
        (driver paravirtualised)
        (dev hda:disk)
        (uname phy:/dev/zvol/dsk/pool1/win2008ss.dsk)
        (mode w)
        (backend 0)
    )
)
(1
    (vbd
        (uuid fbbc4777-3d56-cc87-e7ea-b4cc2ec17ffc)
        (bootable 0)
        (devid 5632)
        (driver paravirtualised)
        (dev hdc:cdrom)
        (uname file:/pool1/isos/win2008_x86.iso)
        (mode r)
        (backend 0)
    )
)
(2
    (vbd
        (uuid 0b7f34c8-2f0a-0f0d-8004-7ebf752035e6)
        (bootable 0)
        (driver paravirtualised)
        (dev hdd:disk)
        (uname phy:/dev/zvol/dsk/pool1/win2008ss.dsk2)
        (mode w)
        (backend 0)
    )
)
elkner.sol ~ > + virsh start win2008ss libvir: Xen Daemon error : POST
operation failed: (xend.err 'Device 768 (vbd) could not be connected.
Backend device not found.')
error: Failed to start domain win2008ss
elkner.sol ~ > + xm block-list win2008ss --long
(0
    (vbd
        (uuid 7cb8fadf-619d-dde6-bda9-dcc18023c7d5)
        (bootable 1)
        (devid 768)
        (driver paravirtualised)
        (dev hda:disk)
        (uname phy:/dev/zvol/dsk/pool1/win2008ss.dsk)
        (mode w)
        (backend 0)
    )
)
(1
    (vbd
        (uuid fbbc4777-3d56-cc87-e7ea-b4cc2ec17ffc)
        (bootable 0)
        (devid 5632)
        (driver paravirtualised)
        (dev hdc:cdrom)
        (uname file:/pool1/isos/win2008_x86.iso)
        (mode r)
        (backend 0)
    )
)
(2
    (vbd
        (uuid 0b7f34c8-2f0a-0f0d-8004-7ebf752035e6)
        (bootable 0)
        (devid 5696)
        (driver paravirtualised)
        (dev hdd:disk)
        (uname phy:/dev/zvol/dsk/pool1/win2008ss.dsk2)
        (mode w)
        (backend 0)
    )
)


When removing the device (xm block-detach win2008ss 5696), everything
runs fine again.  Any hints, what to do?

Regards,
jel.
-- 
Otto-von-Guericke University     http://www.cs.uni-magdeburg.de/
Department of Computer Science   Geb. 29 R 027, Universitaetsplatz 2
39106 Magdeburg, Germany         Tel: +49 391 67 12768
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