Am Samstag, den 22.11.2008, 20:19 +0400 schrieb Nicolas Ruiz:
> Hi all,
>
> I'm pretty interesting study this kind of solution for my office.
> Following questions from Pasi, i would like to know from you, Thomas,
> if you are using a SAN for your cluster.
i build up my own SAN with mdadm, lvm und vblade.
> If so, what kind of data access technologies you use with.
ATAoverEthernet, which sends ATA-commands over Ethernet (Layer2). It's
something like SAN over Ethernet and much faster than iscsi, since no
tcp/ip is used. also failover was very tricky with iscsi....
>
> Last question, how do you manage HA, Live migration and snapshots :
> owned scripts ?
heartbeat2 with crm and constraints and the rest is managed through
openqrm.
>
> Thanks a lot for any response from yourself.
>
> Nicolas.
>
> On Fri, Nov 21, 2008 at 7:57 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> On Fri, Nov 21, 2008 at 11:47:35AM +0100, Thomas Halinka
> wrote:
> > Hi Again,
> >
> > Am Freitag, den 21.11.2008, 10:16 +0100 schrieb Mauro:
> > >
> > >
> > > 2008/11/20 Thomas Halinka <lists@xxxxxxxxx>
> > > Hi Mauro,
> > >
> > > Am Donnerstag, den 20.11.2008, 13:03 +0100 schrieb
> Mauro:
> > > > I've installed debian lenny amd64, it is frozen
> now.
> > > > I've install kernel for xen support but it
> doesn't start.
> > >
> > >
> > > Im running lenny dom0
> > >
> > > Do you use lenny with xen in production environments?
> >
> > Yep - im running a XEN-Cluster on debian lenny with about 60
> domUs on 8
> > Cluster-Nodes, with Live-Migration, HA-Failover and
> LiveBackup through
> > lvm-snapshotting.
> >
>
>
> This is interesting. Want to tell more about your setup? CLVM?
> iSCSI?
nope, just AoE and LVM
>
> What kind of physical server hardware? What kind of storage?
It s self-build. We had evaluated FC-SAN-Solutions, but they were slow,
unflexible and very expensive. We 're using Standard-Server with bonding
over 10Gbit-NICs
This setup transfers 1300 MB/s at the moment, is highly scaleable and
was about 70% cheaper than a FC-Solution.
>
> What exact kernel and Xen versions?
at the moment its xen 3.2 and 2.6.18-Kernel. I am evaluating 3.3 and
2.6.26 atm.
>
> Thanks!
>
> -- Pasi
If interested in this Setup, i could get you a overview with a small
abstract, what is managed where and why... you know ;)
Thomas
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