HP Serviceguard Toolkit for NFS manual Editing the Control Script nfs.cntl

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Installing and Configuring Serviceguard NFS

Configuring a Serviceguard NFS Package

Editing the Control Script (nfs.cntl)

The control script, nfs.cntl, is different as of the A.11.11.02 and A.11.00.05 releases. 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, see “Editing nfs.cntl for NFS Toolkit A.11.00.04 and A.11.11.01 (or lower)” on page 37 to edit the control script, nfs.cntl.

Editing nfs.cntl for NFS Toolkit A.11.00.05 and A.11.11.02 (and above).

Starting with Serviceguard A.11.13, a package can have LVM volume groups, CVM disk groups and VxVM disk groups.

Example steps:

1.Create a separate VG[n] variable for each LVM volume group that is used by the package:

VG[0]=/dev/vg01

VG[1]=/dev/vg02

...

2.Create a separate VXVM_DG[n] variable for each VxVM disk group that is used by the package:

VXVM_DG[0]=dg01 VXVM_DG[1]=dg02

...

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

For the LVM example, if this package uses the file systems pkg1a and pkg1b, which are mounted on the logical volumes lvol1 and lvol2 with read and write options enter:

LV[0]=/dev/vg01/lvol1; FS[0]=/pkg1a; FS_MOUNT_OPT[0]="-o rw" LV[1]=/dev/vg01/lvol2; FS[1]=/pkg1b; FS_MOUNT_OPT[1]="-o rw"

For the VxVM example, if this package uses the file systems pkg1a and pkg1b, which are mounted on the volumes lvol1 and lvol2 with read and write options enter:

Chapter 2

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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 Starting File Lock Migration Starting the NFS ServicesHow the Control and Monitor Scripts Work 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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