Hi admins, I have a question on shared diskgroup in vcs. Let's say i have two node cluster node A and B. I am having the failover service group (including the required resources such as disk grp, IP, mount..etc)
For an instance, the service grp is running on node A and suddenly if one of the shared disk gets failed, how can we have the service grp automatically switched to node B?
Hello Experts,
Please help me with the exact steps on configuring two node cluster on RHEL 6.2,
I failed to configure the simplest cluster by below steps,
1- install RHEL 6.2 64-bit on both nodes
2- add to hosts file of each server ( 1 IP in local NW and another in IP private NW).
x.x.x.x node1-pub
z.z.z.z node2-pub
y.y.y.y node1-pvt
t.t.t.t node2-pvt
3- yum install ricci ( on both nodes )
I'm in the process of configuring a sort-of Beowulf cluster, the major difference being that I want to be able to add nodes from any network. Because of this I can't run DHCP on the server to inventory all the nodes.
New nodes would run a package or script to configure SSH, MPI, NFS and the like. During installation they'll require the IP address of the server.
Hello Admins,
Howz it going?
Coming to our forum after long time.
Well, a solaris x86 system on my vmware workstation is facing a big trouble.
I did a file system check on root file system.
I am trying to configure a replica set with three nodes: node A, B and C. I execute the rs.add()'s from node A and after that rs.status() shows that the three nodes are PRIMARY. Moreover node B and C have 0 pingMs. If I execute rs.status() from node B or C the only node listed is the self (As PRIMARY). I tried adding an arbiter but it didn't work (it behaved as the nodes B and C).
I am trying to setup an active/passive (2 nodes) Linux-HA cluster with corosync and pacemaker to hold a PostgreSQL-Database up and running. It works via DRBD and a service-ip. If node1 fails, node2 should take over. The same if PG runs on node2 and it fails.
I'd like to build a two or three node Pacemaker cluster that would manage Xen (or possibly KVM) virtual machines.
Is it possible to set up the Pacemaker cluster (or some of its components) in such a way that when all nodes are active the VMs will use all available RAM but when one node fails the cluster will reduce VM's memory to fit them all on remaining nodes?
We have just installed two Windows 2008R2 Enterprise machines with identical hardware. When running the cluster validation everything is ok.
Background:
I using a computing cluster at work (4 slave nodes and 1 head node) that uses the SGE job scheduler. Recently we've been running jobs that do some heavy IO and it has been slowing down shell/vim usage (small IO, but we need it running smoothly 24/7).
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