[Linux-cluster] distributed cluster
Andrew Hole
andremailinglist at gmail.com
Wed Mar 11 12:10:29 UTC 2009
Hello!
I am trying to find the best approach for creating a distributed cluster
based on the following specs:
- 2 datacenters (close to each other and connected by fiber
channel);
- 2 storages (one on each datacenter);
- 1 server on each data center
In an event of a failure of a single datacenter, the remaining datacenter
must be responsible for assuring all services.
My approach would be to (I don’t exactly know if it is possible):
- Present one LUN from each storage to both servers:
server A (DC A) - LUN A (STORAGE A)
LUN B (STORAGE B)
server B (DC B) - LUN B (STORAGE B)
LUN A (STORAGE A)
- Create one logical volume on each of the servers using RAID1:
server A (DC A) - LVM A /mydata [RAID1 de LUN A e LUN B]
server B (DC B) - LVM B /mydata [RAID1 de LUN B e LUN A]
- Configure a RedHat Cluster;
- Put /mydata on the cluster;
Is this a feasible approach? Is there a better option?
A.
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