Re: [Xen-users] lenny amd64 and xen.

[Thomas Halinka <lists@xxxxxxxxx>]

Am Donnerstag, den 27.11.2008, 21:27 +0200 schrieb Pasi KÃrkkÃinen:
> On Thu, Nov 27, 2008 at 06:05:27PM +0100, Thomas Halinka wrote:
> > Hi Javier,
> > 
> > Am Donnerstag, den 27.11.2008, 11:52 -0500 schrieb Javier Guerra:
> > > On Thu, Nov 27, 2008 at 11:10 AM, Thomas Halinka <lists@xxxxxxxxx> wrote:
> > > > Am Samstag, den 22.11.2008, 20:19 +0400 schrieb Nicolas Ruiz:
> > > >>         This is interesting. Want to tell more about your setup? CLVM?
> > > >>         iSCSI?
> > > >
> > > > nope, just AoE and LVM
> > > 
> > > LVM and not CLVM?  i guess that means that you use LVM at the storage
> > > boxes and export (with vblade) the LVs?
> > 
> > My Storage-Header-Box (which is also the openqrm-server) has sw-raid
> > over a bunch of intel-servers with vblade.
> > 
> > So i created some mdX and put them in a VG.
> > 
> > /dev/md0 ---> /dev/md19 are my AoE-Backend and r PVs in a VG.
> > 
> > On this Storage-Header im exporting the Lvols through AoE again. So my
> > XEN-Boxes grab their LVols....
> > 
> > Sounds confusing, but maybe a drawing would show up the concept
> > 
> 
> Do you run LVM on dom0's for domU disks?


nope - just phy:/dev/etherd/e0.1....

the domu works directly on the blade without partitioning.

so i can snapshot, lvextend and resizefs on the openqrm-server.

>  How many 'SAN disks' each dom0 sees? 

output of aoestat is the same on all dom0s - so each dom0 sees all disks
- otherwise live-migration would not be working....

> 
> -- Pasi

Thomas


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