Re: [Xen-users] problem with extra storage via iscsi

[Gertjan Oude Lohuis <gertjan@xxxxxxx>]

Gertjan Oude Lohuis wrote:
> No, the domU keeps working, I think because all partitions are already 
> mounted when open-iscsi starts.
I figured out why /dev/sda is assigned to the LUN. This is a part from 
the domU configurationfile:
root    = '/dev/sda1 ro'
disk    = [ 'phy:xen-images/loghost-disk,sda1,w', 
'phy:xen-images/loghost-swap,sda2,w', 
'phy:xen-images/loghost-remotelogs,sda3,w', '
phy:xen-images/loghost-httplogs,sda4,w' ]


As you can see, only sda1 through sda4 are used, but sda is not. Mystery 
solved.
Step two: what to do next:
1. Alter configuration file and add a phony /dev/sda, so that udev will 
give my LUN (hopefully) another name
2. Alter complete setup: assign only a /dev/sda to the domU and 
partition it inside the domU
3. Configure the LUN as /dev/sda, hoping that partitions made on the LUN 
will not conflict with existing /dev/sda[1-4]
4. Figure out a way to have udev assign another name than /dev/sda (eg 
sd[b-z])
Any suggestions? Are there best practices for a situation like this, or 
more in general: partitioning for domU?

Regards, Gertjan

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