discusion related to cluster mecanism.

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2
votes
1answer
118 views

mpd daemon prematurely ending jobs

I am a little out of my depth here so bear with me. I am trying to configure mpirun and mpiexec to run software called Materials Studio on a 1 node, 2 processor, 12 core cluster. The submission scheme ...
1
vote
1answer
22 views

Cluster Lock Manager without TCP/IP

I have 2 linux sharing same SAN disk LUN. There are many cluster files systems to manage lock/unlock. But all of them are using a seperate TCP/IP comminication. But I need a cluster lock manager ...
0
votes
1answer
129 views

What software should I use to create a HPC (High performance compute) cluster with CentOS 6.5 VMs locally?

I've read about Torque, Slurm resource managers and Maui, Open Grid scheduler, Sonf of Grid Engine but I do not know which is more appropriate to use in a local environment? I've also read that I need ...
3
votes
0answers
288 views

Corosync/Pacemaker cluster loss of synchronization

I'm facing a problem with the corosync and pacemaker cluster software. I've two virtual nodes (Scientific Linux 6.4) and corosync/pacemaker installed on them: corosync-1.4.1-17.el6.x86_64 ...
3
votes
0answers
224 views

Should I investigate Rocks or Ubuntu/Mosix for building a cluster?

I work at a college doing system administration. Someone in their lab is looking to build a cluster for running complex Octave and C++ projects. They have brand new modern machines. My question is ...
2
votes
0answers
61 views

Takeover delay in Heartbeat HA cluster

I have set up a heartbeat HA two node cluster. And both of server have same configuration of ha.cf #cat /etc/ha.cf logfile /var/log/ha-log autojoin none bcast eth1 warntime 20ms deadtime 40ms ...
2
votes
0answers
21 views

heartbeat stops after reviving primary node

I followed these steps correctly, everything worked well before I have revived heartbeat on node01 "at the last steps of the tutorial" when I hit /etc/init.d/heartbeat start it started correctly but ...
1
vote
0answers
24 views

About mem and vmem

I am working with a cluster machine running under linux. I have a shell script that uses mpirun to submit my jobs to the cluster machine. In that same script, I can choose the number of nodes that ...
0
votes
0answers
15 views

Tomcat7 cluster don't replicates session

I have a Ubuntu with 2 Tomcat7 with a cluster configurations. The balancer is Apache MOD_JK. SERVER.XML: <Engine name="Catalina" defaultHost="localhost" jvmRoute="no0"> <Cluster ...
0
votes
0answers
67 views

Microcomputer cluster for stress testing

I'm looking to build a microcomputer cluster at work for stress testing one of our applications, and while I have a little financial leeway, I would like to keep the cost low and the computing ...
0
votes
0answers
40 views

Powerful Workstation

I heard about ILM's (Industrial Light and Magic) workstations on which they create models and scenes for a lot of different movies. They have workstations with more than 1024 GB of ram and a lot of ...
0
votes
0answers
26 views

SGE to PBS/Torque qsub conversion

Hi I am setting up a software pipeline (an extensive bioinformatic annotation tool) that was originally written to submit SGE jobs but I am on a PBS/Torque cluster. Any ideas about a way to convert ...
0
votes
0answers
32 views

Mysql Cluster Data node not started

I am working on Mysql Cluster in Fedora. I have three Fedora virtual machine. One is Management node and other two are Data node. My Management node started but my Data nodes are not started. When ...
0
votes
0answers
22 views

Is it possible to install RHEV on el6 clustered computer

Is it possible to use Linux (el6) clustered computer can be used as a hypervisor for RHEV 3.3/Ovirt 3.3? Cause, we can not combine RAM/CPU from two or more hypervisores to be considered as a one ...
0
votes
0answers
172 views

Red Hat/CentOS Cluster HA Web Server Issue “rgmanager[30244]: [script] Executing /etc/rc.d/init.d/httpd stop”

I'm trying out to deploy a red hat cluster to setup a HA Web Server. I followed the documentation below at page 81 ...
0
votes
0answers
63 views

check/change reserve policy on a virtual disk

I need to check if a Virtual Disk has this policy enable, if so I need to reserve_policy=no_reserve I need to create an DB2 Database Cluster I cannot find a Linux Command for that. I do know if this ...
0
votes
0answers
138 views

Job IDs and their meaning/reference

Using Red Hat, I sent few jobs to a cluster and got "job IDs" in return. Using qstat I can see only one is running, one was canceled and the rest are still in the queue. I wrote something like this: ...