HP Serviceguard Toolkit for NFS manual Cluster Conﬁguration File for Three-Server Mutual Takeover

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Sample Conﬁgurations

Example One - Three-Server Mutual Takeover

Cluster Conﬁguration File for Three-Server Mutual Takeover

This section shows the cluster conﬁguration ﬁle (cluster.conf) for this conﬁguration example. The comments are not shown.

CLUSTER_NAMEMutTakOvr

FIRST_CLUSTER_LOCK_VG /dev/nfsu01

NODE_NAMEthyme

NETWORK_INTERFACE lan0

HEARTBEAT_IP 15.13.119.146

NETWORK_INTERFACE lan1

FIRST_CLUSTER_LOCK_PV /dev/dsk/c0t1d0

NODE_NAMEbasil

NETWORK_INTERFACE lan0

HEARTBEAT_IP 15.13.113.168

FIRST_CLUSTER_LOCK_PV /dev/dsk/c1t1d0

NODE_NAMEsage

NETWORK_INTERFACE lan0

HEARTBEAT_IP 15.13.115.184

NETWORK_INTERFACE lan1

NETWORK_INTERFACE lan2

NETWORK_INTERFACE lan3

FIRST_CLUSTER_LOCK_PV /dev/dsk/c0t1d0

HEARTBEAT_INTERVAL 1000000

NODE_TIMEOUT2000000

AUTO_START_TIMEOUT 600000000

NETWORK_POLLING_INTERVAL 2000000

MAX_CONFIGURED_PACKAGES 3

VOLUME_GROUP/dev/nfsu01

VOLUME_GROUP/dev/nfsu02

VOLUME_GROUP/dev/nfsu03

Chapter 3

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Image 57

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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