7 More Discussions You Might Find Interesting
1. Red Hat
Hi Guys,
I am not much aware of clusters but i have few questions can someone provide the overview as it would be very helpful for me.
How can i perform cluster failover test to see all the services are failing back to other node ? If it is using veritas cluster then what kind of... (2 Replies)
Discussion started by: munna529
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2. Shell Programming and Scripting
Hi all,
we have setup one cluster with two nodes.
-drbd
-corosync
-pacemaker
-mysql
-piranha
sometimes, we loose connection between the two nodes (node 1 and node 2). When this happens, the two nodes starts both the services as masters,because they don't see each other.
is there any way... (2 Replies)
Discussion started by: arrals_vl
2 Replies
3. Red Hat
Hi all experts,
I need your kind suggestions or feedback on choice of clustering software for red hat linux nodes running certain applications which I need to make highly available.
Minimum requirement is 2 nodes; all nodes shall be active-active running distinct applications e.g. node 1 runs... (1 Reply)
Discussion started by: pshaikh
1 Replies
4. High Performance Computing
Hi, I am not sure if the term "cluster" fits my situation or not. I have 5 Linux computers, each has different a host-name, and my users have to remember those the computer names to login and find out which computers have free CPUs, so they can run their jobs on those computers have free CPUs.
... (4 Replies)
Discussion started by: hiepng
4 Replies
5. High Performance Computing
Hi Guys,
I'm busy building a LVS-NAT cluster on Red-Hat server 5.1 and I need a kernel that has LVS capabilities for a red-hat server 5.1. Is the anyone who can advise me where I can get this kernel. I have already visited the following site Ultra Monkey: and this has old kernels e.g. 2.4.20... (2 Replies)
Discussion started by: Linux Duke
2 Replies
6. Linux
Hi,
Hi,
I work in NGO. They are migrating from windows to Linux. They can't spend so much money on servers. They have around 50 PCs. So I want to setup cluster on 2-3 PCs or more than that for setting up server. I am excepted to get their collective output. So that it will be compatible with... (5 Replies)
Discussion started by: neel.gurjar
5 Replies
7. UNIX for Dummies Questions & Answers
I have created a linux cluster using ROCKS. I have 4 comps hooked up now. front-end plus 3 nodes. Looking for way to test the system to see how effective it is (and if it actually works). Any help would be appreciated. (1 Reply)
Discussion started by: skatinsky
1 Replies
PACEMAKER(8) System Administration Utilities PACEMAKER(8)
NAME
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS
crm_node command [options]
DESCRIPTION
crm_node - Tool for displaying low-level node information
OPTIONS
-?, --help
This text
-$, --version
Version information
-V, --verbose
Increase debug output
-Q, --quiet
Essential output only
Stack:
-A, --openais
Only try connecting to an OpenAIS-based cluster
-H, --heartbeat
Only try connecting to a Heartbeat-based cluster
Commands:
-n, --name
Display the name used by the cluster for this node
-N, --name-for-id=value
Display the name used by the cluster for the node with the specified id
-e, --epoch
Display the epoch during which this node joined the cluster
-q, --quorum
Display a 1 if our partition has quorum, 0 if not
-l, --list
Display all known members (past and present) of this cluster (Not available for heartbeat clusters)
-p, --partition
Display the members of this partition
-i, --cluster-id
Display this node's cluster id
-R, --remove=value
(Advanced) Remove the (stopped) node with the specified name from Pacemaker's configuration and caches
In the case of Heartbeat, CMAN and Corosync 2.0, requires that the node has already been removed from the underlying cluster
Additional Options:
-f, --force
AUTHOR
Written by Andrew Beekhof
REPORTING BUGS
Report bugs to pacemaker@oss.clusterlabs.org
Pacemaker 1.1.10-29.el7 June 2014 PACEMAKER(8)