• We had to restore from a backup today after a failed software update. Backup was from 0000 EDT and restored it at 0800 EDT so we lost about 8hrs. Today is 07/20/2024. More info here.


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    Mysql or Mariadb. 2 node Replication / Cluster

    We have moved to working from home, and our CRM solutions is a LAMP application and we want to provide an HA environment. (We are currently running on a single server using a VPN to access it. ) I have set up the following environment as a Lab and all works really well until one site loses...
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    mpiexec wont run program couzed by schroot arm64 userland.

    I'm running a bunch of raspberry pi 4's and when i login to a single node i need to run schroot -c pi64 to get to the 64 bit environment. In this environment my program is installed but when i want to run the mpiexec command to run it on all nodes the master node can not run the program on the...
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    Pacemaker Resource showing as "unrunnable start (blocked)" for each cluster resource

    OS and Pacemaker Versions: PRETTY_NAME="SUSE Linux Enterprise Server 12 SP4" CPE_NAME="cpe:/o:suse:sles_sap:12:sp4" pacemakerd --version Pacemaker 1.1.19+20181105.ccd6b5b10-3.16.1 corosync -v Corosync Cluster Engine, version '2.3.6' When cluster resources are running on glbgvldbies01...
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    Handbook for Linux cluster management?

    Hi, I am a new-comer here. I have intermediate strength on Linux but as of now, I have only handled linux on my personal machine. In the near future, it is possible that I may be given the responsibility of managing a linux cluster and I am not at all experienced in such tasks. Are there any...
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    gfortran: error: unrecognized command line option ‘-r8’

    When I tried to install a numerical code in cluster, I encountered the following error. Based on the error message, I understood that the installed gnu fortran version do not recognize the command option -r8. Error message gfortran: error: unrecognized command line option ‘-r8’; did you mean...