HP Serviceguard Toolkit for NFS manual IP0=15.13.114.244 SUBNET0=15.13.112.0

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Sample Configurations

Example Three - Three-Server Cascading Failover

NFS Control Scripts for pkg02

The nfs.cntl Control Script

This section shows the NFS control script (nfs2.cntl) for the pkg02 package in this sample configuration. Only the user-configured part of the script is shown; the executable part of the script and most of the comments are omitted.

PATH=/sbin:/usr/bin:/usr/sbin:/etc:/bin

VGCHANGE=”vgchange -a e”

# Default

CVM_ACTIVATION_CMD="vxdg -g \$DiskGroup set activation= exclusivewrite"

VG[0]=nfsu02

LV[0]=/dev/nfsu02/lvol1; FS[0]=/hanfs/nfsu021; FS_MOUNT _OPT[0]="-o rw"

VXVOL="vxvol -g \$DiskGroup startall" #Default

FS_UMOUNT_COUNT=1

FS_MOUNT_RETRY_COUNT=0

IP[0]=15.13.114.244

SUBNET[0]=15.13.112.0

The hanfs.sh Control Script

This section shows the NFS control script (hanfs2.sh) for the pkg02 package in this sample configuration. This example includes only the user-configured part of the script; the executable part of the script and most of the comments are omitted. This example does not enable the File Lock Migration feature.

XFS[0]=/hanfs/nfsu021

NFS_SERVICE_NAME[0]="nfs2.monitor"

NFS_SERVICE_CMD[0]="/etc/cmcluster/nfs/nfs.mon"

NFS_FILE_LOCK_MIGRATION=0

NFS_FLM_SCRIPT="${0%/*}/nfs.flm"

Chapter 3

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Contents Edition Managing MC/ServiceGuard NFS A.11.23.02Legal Notices Contents Index Figures Figures NFS Overview of MC/ServiceGuard NFS Limitations of MC/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 Starting the NFS Services How the Control and Monitor Scripts WorkStarting File Lock Migration Halting the NFS Services Monitoring the NFS Services On the Client Side Installing and Configuring Installing and Configuring MC/ServiceGuard NFS Readme Installing MC/ServiceGuard NFSCmmakepkg -p /opt/cmcluster/nfs/nfs.conf ServiceGuard NFS Toolkit Monitoring NFS/TCP Services with MCChapter Before Creating an MC/ServiceGuard NFS Package NUMNFSD=10 Before Creating an MC/ServiceGuard NFS Package Mount -o nointr relocatableip/usr/src /usr/src Configuring an MC/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 an MC/ServiceGuard NFS Package Configuring an MC/ServiceGuard NFS Package Editing the NFS Control Script hanfs.sh Netswitchingenabled Editing the File Lock Migration Script nfs.flm Configuring an MC/ServiceGuard NFS Package Editing the NFS Monitor Script nfs.mon Editing the Package Configuration File nfs.conf Configuring an MC/ServiceGuard NFS Package Configuring Server-to-Server Cross-Mounts Optional SNFS0=nfs1/hanfs/nfsu011CNFS0=/nfs/nfsu011 Configuring an MC/ServiceGuard NFS Package Run the cluster using the following command cmruncl -v-f Configuring an MC/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 Package configuration file nfs.conf default values
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