Dejan Muhamedagic wrote:
Hi,
On Mon, Sep 22, 2008 at 12:51:20PM +0200, Christian Lox wrote:
Hi there,
can anyone here share some best practice or similar how to set up the
heartbeat communication on an IBM Bladecenter (8677 with HS20 blades)?
We plan on using eth0 for the servers "normal" payload and eth1 for
connecting to our iscsi storage and extra vlan for heartbeat.
Is this recommended?
Use both ethernets for heartbeats.
Same goes for stonith. Is it safe to use the BMC (if so, which plugin to
use) or is an external device recommended.
Does it support IPMI? In that case you can try either ipmilan or
external/ipmi. There's also bladehpi, but I'm not sure if your
management modules support it (HPI). If you want to try bladehpi,
then you'll need to compile the plugin (it's missing for some
reason from the 2.99 packages).
Thanks,
Dejan
The Chassis use IBM's own IBMmpcli to communicate to the MMC. I'm aware
of a STONITH resource script that makes use of this that has been
previously discussed in this list (I apologise I can't recall all the
details), I think it may actually be a part of the distributed resource
scripts (although I'm not currently sure), so worth checking :)
If you get nowhere there, ping me and I can attach a copy of our local
script which we have been using for approx 18months in production
without STONITH issues on basicaally the same setup as yourself.
One useful caveat... we have found that the MMC's do not like a high
communication / connect rate. This can cause the unit to go AWOL so be
gentle with the monitoring etc :)
Other than that... all is good :) so good luck and enjoy.
Pete
Thanks for any hint,
Christian
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