Hi,
I have HP cluster consisting of two nodes
using as filesystem space two I-scsi servers.
There are two packages: one production pkg , one dev/test
pkg
So the prod pkg runs on server 1 and and the dev/test on server 2 and
in case of a failure everything goes to the node which survives.
There are two buildings each containing a node and a I-scsi server,
all servers and buildings are connected with gigabit.
The filsystems are mirrored on a host-based manner. ( =
importing iscsi disk and LVM/mirroring on top)
So far so good, and I hope you get the picture.
Now I want to implement this on a Redhat Cluster, and I have the four
servers setup, iscsi working, cluster up running but ...
The questions now:
- Where does GFS in the picture ? Why should I use it ? Why not simple
create /dev/md and LVMs/ext3 and import them when needed.
- How do you implement multipathing in this picture ? I want redundancy on
my gigabit NIC's
I missed the boat somewhere but please direct where I can find the light
for GFS and Multipathing in RedHat clusters.
/Frank
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