HP Serviceguard Toolkit for NFS manual Lower

Page 37

 

Installing and Configuring Serviceguard NFS

 

Configuring a Serviceguard NFS Package

 

See “Example Two - One Adoptive Node for Two Packages with File Lock

 

Migration” on page 64 for a sample configuration using the package

 

control option.

 

 

NOTE

The NFS specific variables have been moved to NFS specific control

 

script in Serviceguard NFS Toolkit with the A.11.11.02 and A.11.00.05

 

releases. See section “Editing the NFS Control Script (hanfs.sh)” on

 

page 40 for the details.

 

Editing nfs.cntl for NFS Toolkit A.11.00.04 and A.11.11.01 (or

 

lower)

 

For Serviceguard NFS Toolkit A.11.00.04 or lower for HP-UX 11.0 or

 

Serviceguard NFS Toolkit A.11.11.01 or lower for HP-UX 11i v1 using

 

Serviceguard A.11.09 (or below) framework.

 

Example steps:

1.Create a separate VG[n] variable for each volume group.

VG[0]=/dev/vg01

VG[1]=/dev/vg02

...

2.Create a separate LV[n] and FS[n] variable for each volume group and file system that will be mounted on the server:.

LV[0]=/dev/vg01/lvol1;FS[0]=/ha_root LV[1]=/dev/vg01/lvol2;FS[1]=/users/scaf LV[2]=/dev/vg02/lvol1;FS[2]=/ha_data

3.Create a separate XFS[n] variable for each NFS directory to be exported. Specify the directory name and any export options.

XFS[0]=”/ha_root” XFS[1]=”/users/scaf” XFS[2]=”-o ro /ha_data”

Do not configure these exported directories in the /etc/exports file. When an NFS server boots up, it attempts to export all file systems in its /etc/exports file. If those file systems are not currently present on the NFS server node, the node cannot boot properly. This happens if the server is an adoptive node for a file system, and the file system is available on the server only after failover of the primary node.

Chapter 2

37

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Contents Edition Serviceguard NFS Toolkit A.11.11.04 Administrator’s GuideLegal Notices Contents Index Figures Figures Overview of Serviceguard NFS Overview of Serviceguard NFS Limitations of Serviceguard NFS Overview of the NFS File Lock Migration Feature Overview of the NFS File Lock Migration Feature Supported Configurations Pkg1 disks Simple Failover to an Idle NFS ServerPkg2 Disks Failover from One Active NFS Server to AnotherPackages Host Configured as Adoptive Node for MultipleCascading Failover with Three Adoptive Nodes NFS NFS Server-to-Server Cross MountingSupported Configurations How the Control and Monitor Scripts Work Starting the NFS ServicesStarting File Lock Migration Halting the NFS Services Monitoring the NFS Services On the Client Side Installing and Configuring Installing and Configuring Serviceguard NFS Readme Installing Serviceguard NFSCmmakepkg -p /opt/cmcluster/nfs/nfs.conf Serviceguard NFS Toolkit Monitoring NFS/TCP Services withMonitoring NFS/TCP Services with Serviceguard NFS Toolkit Before Creating a Serviceguard NFS Package NUMNFSD=10 Before Creating a Serviceguard NFS Package Mount -o nointr relocatableip/usr/src /usr/src Configuring a Serviceguard NFS Package Copying the Template Files Editing the Control Script nfs.cntl IP0=15.13.114.243 SUBNET0=15.13.112.0 Lower Etc/hosts file Configuring a Serviceguard NFS Package Editing the NFS Control Script hanfs.sh Netswitchingenabled Editing the File Lock Migration Script nfs.flm Configuring a Serviceguard NFS Package Editing the NFS Monitor Script nfs.mon Configuring a Serviceguard NFS Package Editing the Package Configuration File nfs.conf Configuring a Serviceguard NFS Package Configuring Server-to-Server Cross-Mounts Optional SNFS0=nfs1/hanfs/nfsu011CNFS0=/nfs/nfsu011 Configuring a Serviceguard NFS Package Run the cluster using the following command cmruncl -v-f Configuring a Serviceguard NFS Package Chapter Sample Configurations Sample Configurations Basil Sage Example One Three-Server Mutual TakeoverThree-Server Mutual Takeover after One Server Fails Cluster Configuration File for Three-Server Mutual Takeover Package Configuration File for pkg01 Nfs.cntl Control Script NFS Control Scripts for pkg01Package Configuration File for pkg02 NFS Control Scripts for pkg02 Package Configuration File for pkg03 NFS Control Scripts for pkg03 Packages with File Lock Migration Example Two One Adoptive Node for TwoSage Basil Pkg02 VOLUMEGROUP/dev/nfsu01 VOLUMEGROUP/dev/nfsu02 Package Configuration File for pkg01 NFS Control Scripts for pkg01 Hanfs.sh Control Script Nfs.flm Script NFS File Lock Migration and Monitor Scripts for pkg01Package Configuration File for pkg02 NFS Control Scripts for pkg02 NFSFLMSCRIPT=$0%/*/nfs2.flm NFS File Lock Migration and Monitor Scripts for pkg02 Failover Example Three Three-Server CascadingCascading Failover with Three Servers after One Server Fails VOLUMEGROUP/dev/nfsu01 VOLUMEGROUP/dev/nfsu02 Package Configuration File for pkg01 NFS Control Scripts for pkg01 NODENAMEthyme NODENAMEsage NODENAMEbasil IP0=15.13.114.244 SUBNET0=15.13.112.0 Example Four Two Servers with NFS Cross-Mounts Thyme Basil Cluster Configuration File for Two-Server NFS Cross-Mount NODENAMEthyme NODENAMEbasil NFS Control Scripts for pkg01 SNFS0=nfs1/hanfs/nfsu011 CNFS0=/nfs/nfsu011 NODENAMEbasil NODENAMEthyme NFS Control Scripts for pkg02 SNFS0=nfs2/hanfs/nfsu021 CNFS0=/nfs/nfsu021 Index Index Default values
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