Mark Hahn wrote:
IF the link aggregation algorithm sends data over the line which IS
connected to the IPMI card, then you CAN talk to it. IF the algorithm
sends data over the line which is NOT connected to the IPMI card, then you
can't talk with it.
so in the case where path = (srcmac ^ dstmac) % links, for only
two links, it seems like you could set up two IPMI-monitor-master
machines (with the right differences in their macs) and have
full connectivity. in fact, the bonding would lead a node's BMC to
DHCP from the master that it could reach, so you could even assign them to
two separate subnets to stay sane...
On the iWill MB's we used for a cluster recently, we could contact the
embedded IPMI off of either port. The issue was ...
hah. sometimes I wonder whether clusters should use straight
eth-level addressing, rather than dealing with LACP/arp/etc oddities.
... arp. The motherboard OS goes down and no longer services arp
requests. So you need to arp -s a whole lotta machines in order to have
the connectivity. Luckily we automated this, but still it was annoying.
Joe
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Joseph Landman, Ph.D
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Scalable Informatics LLC,
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