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Hi,
This is my first version of the block-iscsi script. Easy to setup, easy
to work with.
> #general
> name = "skinkie_gentoo_old";
> memory = 256;
>
> # booting
> kernel = "/home/skinkie/xen/boot/gentoo";
>
> # virtual harddisk
> disk = [
"iscsi:/dev/disk/by-path/ip-192.168.0.2:3260-iscsi-iqn.1986-03.com.sun:02:c6719b9f-7993-444d-c6d2-80d4e15ee52c-lun-0,hda,w"
];
> root = "/dev/hda ro"
The script parses the structure used by udev, so it will extract the IP
address and ISCSI target from the parameter. It starts a discovery based
on the IP target, login to the server upon create/migration. And logout
from the server is the domain is migrated or destroyed.
The sleep in the script could probably reduced to 1 or 2 seconds, but
udev needs to populate the /dev/disk/by-path directory. It borks without
the wait. Probably next implementations will include a returncode, with
a prettier wait function.
Yes, it lacks basic chap/pap authentication but since nothing was
provided, it is a nice first attempt to get ISCSI to work in the Xen
opensource environment. It assumes you don''t use the same iscsi target
anywhere else otherwise you will have a problem upon destroy ;)
Howto install: copy the script to /etc/xen/scripts/ and make it
executable with chmod +x block-iscsi.
My setup now:
Gentoo Linux NFS client (Xen Node)
Gentoo Linux Development (Provides DHCP/PXE boot/Monitoring)
OpenSolaris with ZFS (Provides iSCSI/NFS storage)
Upon start the NFS client registers itself with the Monitoring server to
join the to be monitored pool and gets a callback from the XenAPI.
Stefan
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