>
> Il 27/01/2014 03:50, Qixiaozhen ha scritto:
> > A scsi report command was executed in the instance, for example
> > "sg_luns /dev/vdb". However, It returned the list of the Luns in the SAN.
>
> This is a known problem in virtio-blk's SCSI emulation. Just don't use it,
> use
> virtio-scsi or another SCSI adapter instead.
I am not sure whether there was something wrong with my xml. The content of the
configuration xml lists:
[root@qixiaozhen sdb]# virsh dumpxml 6
<domain type='kvm' id='6'>
<name>instance-00000qxz</name>
<uuid>2052f60e-a273-42b4-bdb7-e633f41e1624</uuid>
<memory unit='KiB'>4194304</memory>
<currentMemory unit='KiB'>4194304</currentMemory>
<vcpu placement='static'>4</vcpu>
<sysinfo type='smbios'>
<system>
<entry name='manufacturer'>Red Hat Inc.</entry>
<entry name='product'>OpenStack Nova</entry>
<entry name='version'>2013.2-5.el6</entry>
<entry name='serial'>1b800e36-ed60-117b-8567-000000821800</entry>
<entry name='uuid'>2052f60e-a273-42b4-bdb7-e633f41e1624</entry>
</system>
</sysinfo>
<os>
<type arch='x86_64' machine='rhel6.4.0'>hvm</type>
<boot dev='hd'/>
<smbios mode='sysinfo'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode='host-model'>
<model fallback='allow'/>
</cpu>
<clock offset='utc'>
<timer name='pit' tickpolicy='delay'/>
<timer name='rtc' tickpolicy='catchup'/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/home/sdb/centos64.qcow2'/>
<target dev='vda' bus='virtio'/>
<alias name='virtio-disk0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</disk>
<!-- #############Raw Device Mapping with virtio-scsi################## -->
<disk type='block' device='lun'>
<driver name='qemu' type='raw' cache='none'/>
<source dev='/dev/mapper/360022a110000ecba5db427db00000023'/>
<target dev='vdb' bus='virtio'/>
<alias name='virtio-disk1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06'
function='0x0'/>
</disk>
<!-- ########### Compare with the above one ################## -->
<disk type='block' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source dev='/dev/mapper/360022a110000ecba5db4074800000022'/>
<target dev='vdc' bus='virtio'/>
<alias name='virtio-disk2'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x07'
function='0x0'/>
</disk>
<controller type='usb' index='0'>
<alias name='usb0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01'
function='0x2'/>
</controller>
<!-- #################virtio-scsi controller##################### -->
<controller type='scsi' index='0' model='virtio-scsi'>
<alias name='scsi0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</controller>
<serial type='pty'>
<source path='/dev/pts/2'/>
<target port='1'/>
<alias name='serial0'/>
</serial>
<console type='pty'>
<source path='/dev/pts/2'/>
<target type='serial' port='1'/>
<alias name='serial0'/>
</console>
<input type='tablet' bus='usb'>
<alias name='input0'/>
</input>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='5900' autoport='yes' listen='186.100.8.169'
keymap='en-us'>
<listen type='address' address='186.100.8.169'/>
</graphics>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<alias name='video0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02'
function='0x0'/>
</video>
<memballoon model='virtio'>
<alias name='balloon0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05'
function='0x0'/>
</memballoon>
</devices>
<seclabel type='dynamic' model='selinux' relabel='yes'>
<label>unconfined_u:system_r:svirt_t:s0:c156,c614</label>
<imagelabel>unconfined_u:object_r:svirt_image_t:s0:c156,c614</imagelabel>
</seclabel>
</domain>
[root@qixiaozhen sdb]#
Paolo, would you mind to give me some advice to fix my xml? And I am not
familiar with this.
Sincerely,
