Amjad,
That would depend on how they setup PCS. If you are going to have a
'floating' IP that is failed over and merely used for the login traffic,
there should be no issue.
I think the method for HA is a bit overkill, however. Depending on what
services are running, it may make more sense to just have a secondary
system that is running and use DNS to failover or just round-robin users
to balance them across the systems that are up. Certainly easier to
maintain and easier to recover when something happens.
Brian Andrus
On 11/21/2017 4:44 AM, Amjad Syed wrote:
Hello,
We have a small 10 node compute cluster . We have single
management/head node which is used as login node as well. The
management consider this head node as single point of failure. They
are planning to buy another head/login/management node and make an
active-passive cluster using Red hat pcs. The question i have is the
Lustre file system which is mounted on these two nodes , will it be
effected when the transfer between two nodes happen.
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