Cluster CFS - Disks

[Fernando Jose P de Souz]

Hi,


i am installing HP-UX Service Guard extension for RAC

CFS

The disks in the nodes in the cluster need the same cXtXdX ?

Wait.

[melvyn burnard]

no they do not.
read the configuration and installation manual for Serviceguard and SGeRAC at
http://docs.hp.com./en/ha

[psreedhar]

Hi,
if it is 11.31 i can tell some solution. Other wise you have try out your luck to get them same.

Let me know which OS flavour you have, based on that i will tell the procedure.

[Siju Vadakkan · Accepted solution]

It is not mandatory,
You can use the following steps

1. Configure the Cluster Volume manager(CVM)
Configure the system multi-node package,SG-CFS-pkg, to configure and start the
CVM/CFS stack using the following command.
# cfscluster config â s -t 900
1.1 When CVM starts up. It selects mater node from where all the disk group configuration commands has to be issued. Issue the following command on each node to find out the master node.
# vxdctl â c mode
Or
# cfscluster status
Node : jebtap01
Cluster Manager : up
CVM state : up (MASTER)
MOUNT POINT TYPE SHARED VOLUME DISK GROUP STATUS

Node : jebuso02
Cluster Manager : up
CVM state : up
MOUNT POINT TYPE SHARED VOLUME DISK GROUP STATUS
#
All CFS related commands (VxVM) has to executed on Master and will be reflected on slave as well.
#vxdisk scandisks
1.2 Initializing disk for CFS
# /etc/vx/bin/vxdisksetup â i
1.3 Create the disk group for RAC
# vxdg â s init cfsdg1 c0t0d0 : -s stand for sharable mode
1.4 Create the disk group multimode package
# cfsdgadm add cfsdg1 all=sw : this creates the package â SG-CFS-DG-1â to control
the resource shared disk group cfsdg1.
1.5 Activate the disk group
# cfsdgadm activate cfsdg1
1.6 Creating volume and adding a cluster filesystem
# vxassist â g cfsdg1 make size (volume name like vol1, Size < Disk size)
# newfs â F vxfs â o largefiles /dev/vx/rdsk/cfsdg1/
1.7 Configure mount point
# cfsmntadm add cfsdg1 all=rw
:this creates package name â SG-CFS-MP-1â to control the resource.
1.8 Mount cluster filesystem
# cfsmount
2.0 Check CFS mount points and configuration.
# bdf
# cmviewcl