Virtual TapeServer 8.3 Supplemental Installation Guide

2 | Virtual TapeServer Supplemental Installation Guide
Installing or reinstalling GFS
During the installation of GFS, you must configure a fencing method for the cluster. You can configure
Fibre Channel switch fencing if the external storage device is connected over Fibre Channel (for
example, if the HP StorageWorks Modular SAN Array provides a built-in Fibre Channel switch). Or,
you can configure HP Integrated Lights-Out (iLO) to handle fencing. Refer to the following for more
information about fencing:
l Fencing overview — https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_
Linux/5/html/Cluster_Suite_Overview/s2-fencing-overview-CSO.html
l Configuring fencing devices with Conga (luci and ricci) —
https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/5/html/Cluster_
Administration/s1-config-fence-devices-conga-CA.html
Note When connecting to the Fibre Channel switch used for fencing, ensure that dual paths
are not created when zoning is configured.
l All other Red Hat documentation — https://access.redhat.com/knowledge/docs/Red_Hat_
Enterprise_Linux/
The following topics are relevant: “Cluster Administration", "Cluster Suite Overview", and
"Configuration Example - Fence Devices”.
Also, if you encounter problems while installing GFS, you may need to delete a cluster. The
URLs listed here provide this information as well.
Note If path failover is configured in the environment, be sure to reference the multipathed mapper
device instead of the sd device in the following procedure. For example, reference
/dev/mapper/mpathX instead of /dev/sdX.
The following steps assume that the physical cabling of the servers and storage is complete and
connectivity has been verified.
To install GFS
1. Log in to the operating system of the VTS server.
2. Become root:
su -
3. Mount the GFS Install/Upgrade DVD. This example illustrates mounting the DVD on
/media/cdrom:
mkdir -p /media/cdrom
mount /dev/cdrom /media/cdrom