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Re: [libvirt] iscsi support?



Hi Dave,

Sorry for the delay. See below

On 07/12/10 20:23, Dave Allan wrote:
>
> Hi Harri,
>
> I spun up a Debian testing box with the versions of libvirt, iet&
> open-iscsi that you're using, and it works fine for me.  My pool xml
> is:
>
> <pool type="iscsi">
>    <name>iscsitest</name>
>    <source>
>      <host name="localhost"/>
>      <device path="iqn.2001-04.com.example:foobarbaz"/>
>    </source>
>    <target>
>      <path>/dev/disk/by-path</path>
>    </target>
> </pool>
>
> Gives the 3 configured LUs as volumes:
>
> Name                 Path
> -----------------------------------------
> 3.0.0.0              /dev/disk/by-path/ip-127.0.0.1:3260-iscsi-iqn.2001-04.com.example:foobarbaz-lun-0
> 3.0.0.1              /dev/disk/by-path/ip-127.0.0.1:3260-iscsi-iqn.2001-04.com.example:foobarbaz-lun-1
> 3.0.0.2              /dev/disk/by-path/ip-127.0.0.1:3260-iscsi-iqn.2001-04.com.example:foobarbaz-lun-2
>

In my environment the new volume is not listed by virsh
vol-list, even though /dev/disk/by-path shows the iscsi
block devices:

# virsh vol-list --pool iscsi.dpcl064
Name                 Path
-----------------------------------------

# ls -al /dev/disk/by-path/
total 0
drwxr-xr-x 2 root root 320 Jul 15 10:56 .
drwxr-xr-x 6 root root 120 Jul 15  2010 ..
lrwxrwxrwx 1 root root   9 Jul 15 10:56 ip-172.19.97.183:3260-iscsi-iqn.2010-07.de.aixigo.ac.dpcl064:storage-lun-0 -> ../../sdd
lrwxrwxrwx 1 root root  10 Jul 15 10:56 ip-172.19.97.183:3260-iscsi-iqn.2010-07.de.aixigo.ac.dpcl064:storage-lun-0-part1 -> ../../sdd1
lrwxrwxrwx 1 root root  10 Jul 15 10:56 ip-172.19.97.183:3260-iscsi-iqn.2010-07.de.aixigo.ac.dpcl064:storage-lun-0-part2 -> ../../sdd2
lrwxrwxrwx 1 root root   9 Jul 15 09:32 pci-0000:00:03.0-usb-0:2:1.0-scsi-0:0:0:0 -> ../../sdc
lrwxrwxrwx 1 root root   9 Jul 15 09:33 pci-0000:01:0e.0-scsi-0:0:0:0 -> ../../sda
:
:

The virt-manager GUI knows about the defined iscsi volume,
so I would guess this is just a minor bug in virsh.


Regards

Harri


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