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

[Thomas Halinka <lists@xxxxxxxxx>]

Hello together,


im writing atm a howto for this purpose.

2 Boxes with local Disk, drbd, heartbeat, lvm and live-migration

Will be online today,

So Long,

have phun

Thomas


Am Freitag, den 13.02.2009, 14:38 +0100 schrieb Rustedt, Florian:
> ..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 
> 
> > -----UrsprÃngliche 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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