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Quick installation guide

This is the guide to install a com.oonics Diskless Shared Root Cluster for the impatients. It very shortly describes the steps to install it via the comoonics-anaconda dvd.

Minimum hardware requirements to proceed with the installation are as follows:

  • RAM per Node 512 MB
  • Disk space minimum 6 GB

Short description of the installation of a com.oonics Diskless Shared Root Cluster:

  1. Enter linux at the boot prompt of the DVD.

    Note:

    If the installation takes place in a multipath environment, the boot parameter mpath has to be added also.

  2. After choosing language and keyboard, the cluster name, the name of the first node, the network device and the number of journals used with GFS have to be defined.

    CAUTION:

    When using DHCP for the network configuration of the cluster network be sure, that you do not have different names for host name and node name. Also note that the host name provided via DHCP must exactly be the same as the node name.

  3. Review and modify partitioning layout if multiple disks (i.e. local disks and shared disks) are used to validate that the appropriate disks are utilized. The default layout is chosen as follows:
    • 1 GB Boot-partition with file system ext3
    • LVM-VolumeGroup named as vg_CLUSTERNAME_sr with lv_swap (1GB), lv_sharedroot(gfs, size filled up to max)
  4. Boot loader configuration. If the computer contains more than one hard disk, choose configure advanced boot loader options in order to validate if the appropriate boot disk is formated with the boot loader. Use "change drive order" to adjust the order of the shown devices to the boot order of the machine.
  5. The installer already selects the required package groups Clustering, com.oonics ClusterSuite and Storage Clustering automatically. Additional groups and packages may be added at will.

NOTE:

  • Please note that the installation of the package kmod-gfs might take some time.
  • The post install process will take some time as well. It includes the configuration of the cluster.

FIRSTBOOT NOTES:

It might happen that the first boot screen does not come up. If so you have to manually disable selinux at boot time. This can be achieved by adding the selinux=0 or by booting in single user mode (add 1 to the boot parameters). At the command prompt type first boot and follow the instructions. Don't forget to disable SELINUX as it is not yet thoroughly tested with the com.oonics Diskless Shared Root Cluster.

Further information:

For further information have a look at:

http://www.open-sharedroot.org/comoonics-anaconda/

or change to the "Documentations" folder on the dvd.

Feedback may be send to the open-sharedroot mailing list or to the open-sharedroot issue tracker. Your ideas and suggestions are very welcome.


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