[xenpreview-dev] YaST2 Problems

[L. Mark Stone]

Quoting "Günther J. Niederwimmer" <gjn at gjn.priv.at>:

> Hello,
>
> why it is not longer possible to create a domU config like this ?
>
> disk = [ 'phy:/dev/sdg4,hda1,w', 'phy:/dev/sdg3,hdb1,w ' ]
>

We are just now building SLES10 virtual machines using the YaST tool.   
I had some similar setup problems (I wanted to use lvm partitions),  
and posted a question on the SLES list.

As I understand it, if you use the device mapper reference numbers in  
Xen domUs you are OK, and indeed the YaST Xen setup tool is configured  
to use those numbers.

So, if you run 'dmsetup ls' like so:

tempranillo:/etc/xen/vm # dmsetup ls
system-viognier_swap    (253, 5)
system-viognier_root    (253, 4)
system-pinotnoir_swap   (253, 3)
system-pinotnoir_root   (253, 2)
system-lvm_installroot  (253, 0)
system-lvm_root (253, 1)
storage-lvm_backups     (253, 6)
tempranillo:/etc/xen/vm # lvs
   LV              VG      Attr   LSize   Origin Snap%  Move Log Copy%
   lvm_backups     storage -wi-ao 169.50G
   lvm_installroot system  -wi-ao  10.00G
   lvm_root        system  -wi-ao  15.00G
   pinotnoir_root  system  -wi-ao  60.00G
   pinotnoir_swap  system  -wi-ao   2.00G
   viognier_root   system  -wi-ao  30.00G
   viognier_swap   system  -wi-ao   2.00G
tempranillo:/etc/xen/vm #

you can see last number on the right is the dm-? number.

Therefore, in /etc/xen/vm/pinotnoir I have created by YaST:

disk = [ 'phy:/dev/dm-2,hda,w', 'phy:/dev/dm-3,hdb,w',  
'file:/installroot/SLES-10-AMD64-EM64T-DVD1.iso,hdc,r' ]


The comparable line for the vm viognier looks like:

disk = [ 'phy:/dev/dm-4,hda,w', 'phy:/dev/dm-5,hdb,w',  
'file:/installroot/SLES-10-AMD64-EM64T-DVD1.iso,hdc,r' ]


If you use the YaST tool, all the dm-? available choices are available  
via the drop-down list if you choose to use a block device setup  
routine. You just need to run 'dmsetup ls' (and maybe lvs) to figure  
out which dm-? numbers to use.

Hope that helps,
Mark

P.S. /installroot is mounted read-only.

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