ExpressCluster X 3.1 for Linux Getting Started Guide - Nec

Notes when creating ExpressCluster configuration dataVerifying raw device for VxVMCheck the raw device of the volume raw device in advance:1. Import all disk groups which can be activated on one server and activate all volumes beforeinstalling ExpressCluster.2. Run the command below:# raw -qa/dev/raw/raw2: bound to major 199, minor 2/dev/raw/raw3: bound to major 199, minor 3(A)(B)Example: Assuming the disk group name and volume name are:• Disk group name: dg1• Volume name under dg1: vol1, vol23. Run the command below:# ls -l /dev/vx/dsk/dg1/brw------- 1 root root 199, 2 May 15 22:13 vol1brw------- 1 root root 199, 3 May 15 22:13 vol2(C)4. Confirm that major and minor numbers are identical between (B) and (C).Never use these raw devices (A) as an ExpressCluster disk heartbeat resource, raw resource, rawmonitor resource, disk resource for which the disk type is not VxVM, or disk monitor resource forwhich the monitor method is not READ(VxVM).Selecting mirror disk file systemFollowing is the currently supported file systems:ext3ext4xfsreiserfsjfsvxfsext4 operations are not proved for operating systems other than Red Hat Enterprise Linux 6.Selecting hybrid disk file systemThe following are the currently supported file systems:ext3ext4reiserfsSection II Installing ExpressCluster131