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2
votes
1answer
98 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 ...
3
votes
0answers
170 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
195 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
16 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
18 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
35 views

Can data be “clustered” on disk? If so, how?

Can linux be set to "automatically" cluster data in the way a clustered index does on SQL Server/MySQL or Postgres but a little better? websocket++ allows for fully persistent and shared memory ...
0
votes
0answers
14 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
13 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
65 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 ...
0
votes
0answers
60 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
44 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
130 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: ...