AW: AW: [Xen-users] domU on sparse-file on ocfs2 on drbd(pri/pri): Isthere anyone running this successfully?

["Rustedt, Florian" <Florian.Rustedt@xxxxxxxxxxx>]

..Ok, but how do i share a blockdevice concurrently?
Do you think of open-iscsi?

But i thought, this SAN-"emulation" is a 1-to-n connection?
AFAIK i'll have to run a daemon that distributes the iscsi-device. If i am 
using drbd, i can't run this service on both nodes at the same time, am i right?

So how do i implement "shared block devies" in a way, that mirrors my images 
between two nodes for instant live migration?

Florian 

> -----Ursprüngliche Nachricht-----
> Von: Javier Guerra Giraldez [mailto:javier@xxxxxxxxxxx] 
> Gesendet: Freitag, 13. Februar 2009 13:50
> An: xen-users@xxxxxxxxxxxxxxxxxxx
> Cc: Rustedt, Florian; lists@xxxxxxxxx
> Betreff: Re: AW: [Xen-users] domU on sparse-file on ocfs2 on 
> drbd(pri/pri): Isthere anyone running this successfully?
> 
> Rustedt, Florian wrote:
> > ..Well, but which filesystem do i take instead?
> > Onto the lvms, i need something that interacts with two 
> machines using 
> > it, else i couldn't do migration...
> >
> > So i thought, i NEED ocfs or gfs for locking purposes...?
> 
> if you use block devices (as opposed to image files) you 
> don't need a shared filesystem, just shared blockdevices.
> 
> --
> Javier
> 
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