[Xen-users] how xen recognizes fibre channel based storage resources

[Piotr Szałamacha <piotr@xxxxxxxxxxxx>]

Hello

I'm a newbie here so please don't laugh at me...

I plan to setup several (4) physical servers to run xen virtualized 
OS-es (in example web servers). What I need is that those virtualized 
OS-es must have simultaneous access to disk storage physically created 
on FC array.
I read that this could be done by OCFS or Lustre file system but my 
question is: how virtualized OS (dom>0) recognizes FC resources.
If I understand well dom0 sees all as local disks: scsi disk in 
physicall server and connected via HBA fibre channel resource. And if I 
create dom1 partially (system part) located on local scsi disk and 
partially (shared part) on FC array - then how other domu's located on 
other physical machines will see this shared ocfs-ed volume?
Is it an issue of HBA driver to make it possible?

I would be glad to get some kind of answer about this.


PS

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