[Beowulf] ipoib routing
hearnsj at googlemail.com
Tue Dec 11 22:58:45 PST 2018
Chris, we are talking about exactly the same hardware here.
If you opened one up there was a SATA DOM which contained the OS and the
For the record, the partition table on the SATA DOM had been erased by
shall we say an injudicious network boot.
I used the live Systsm Rescue CD http://www.system-rescue-cd.org/ This
has a utility which will scan a disk and restore partition tables.
My advice - always have a copy of this handy.
On Wed, 12 Dec 2018 at 07:48, Chris Samuel <chris at csamuel.org> wrote:
> On 11/12/18 2:40 pm, John Hearns via Beowulf wrote:
> > Michael, yes. Panasas engineered IPOIB to Ethernet routers for their
> > storage platform. Remember that until the latest generation of their kit
> > they ran on BSD, which had no Infiniband capability. Panasas IB routers
> > booted from an onboard SATA DOM, which was quite a neat solution.
> Sounds like they've changed a bit since we had them at VLSCI (circa
> 2010), they were just two SuperMicro 2-in-1U boxes, each with a QDR IB
> and 10gigE and with a relatively vanilla CentOS 5 install and a script
> to configure them.
> Mind you they didn't need to be complicated, they just ran and ran. We
> lost 1 at one point due to a hardware problem and the solution was to
> replace the whole unit of 2 nodes. From memory we just needed to take
> the routes out of the Panasas config and the cluster they were routing
> for (and put them back when the replacement arrived).
> All the best,
> Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC
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