Using Serviceguard Extension for RAC, 2nd Edition, February 2005 Update
Table Of Contents
- Using Serviceguard Extension for RAC
- 1 Introduction to Serviceguard Extension for RAC
- 2 Serviceguard Configuration for Oracle RAC
- Planning Database Storage
- Installing Serviceguard Extension for RAC
- Configuration File Parameters
- Creating a Storage Infrastructure with LVM
- Building Volume Groups for RAC on Mirrored Disks
- Building Mirrored Logical Volumes for RAC with LVM Commands
- Creating RAC Volume Groups on Disk Arrays
- Creating Logical Volumes for RAC on Disk Arrays
- Oracle Demo Database Files
- Displaying the Logical Volume Infrastructure
- Exporting the Logical Volume Infrastructure
- Installing Oracle Real Application Clusters
- Cluster Configuration ASCII File
- Creating a Storage Infrastructure with CVM
- Initializing the VERITAS Volume Manager
- Preparing the Cluster for Use with CVM
- Starting the Cluster and Identifying the Master Node
- Converting Disks from LVM to CVM
- Initializing Disks for CVM
- Creating Disk Groups for RAC
- Creating Volumes
- Oracle Demo Database Files
- Adding Disk Groups to the Cluster Configuration
- Using Packages to Configure Startup and Shutdown of RAC Instances
- Starting Oracle Instances
- Creating Packages to Launch Oracle RAC Instances
- Configuring Packages that Access the Oracle RAC Database
- running cluster:adding or removing packages
- Writing the Package Control Script
- Using Serviceguard Manager to Write the Package Control Script
- Using Commands to Write the Package Control Script
- Customizing the Package Control Script
- Optimizing for Large Numbers of Storage Units
- Customizing the Control Script for RAC Instances
- Configuring an Oracle RAC Instance Package
- Using Serviceguard Manager to a Configure Oracle RAC Instance Package
- Enabling DB Provider Monitoring
- 3 Maintenance and Troubleshooting
- Reviewing Cluster and Package States with the
- Managing the Shared Storage
- Removing ServiceGuard Extension for RAC from a System
- Monitoring Hardware
- Adding Disk Hardware
- Replacing Disks
- Replacement of I/O Cards
- Replacement of LAN Cards
- Monitoring RAC Instances
- A Blank Planning Worksheets
Serviceguard Configuration for Oracle RAC
Creating a Storage Infrastructure with CVM
Chapter 2 57
Mirror Detachment Policies with CVM
The required CVM disk mirror detachment policy is ‘global’, which
means that as soon as one node cannot see a specific mirror copy (plex),
all nodes cannot see it as well. The alternate policy is ‘local’, which
means that if one node cannot see a specific mirror copy, then CVM will
deactivate access to the volume for that node only.
This policy can be re-set on a disk group basis by using the vxedit
command, as follows:
# vxedit set diskdetpolicy=global <DiskGroupName>
NOTE The specific commands for creating mirrored and multi-path storage
using CVM are described in the HP-UX documentation for the VERITAS
Volume Manager.
Oracle Demo Database Files
The following set of volumes is required for the Oracle demo database
which you can create during the installation process.
Table 2-2 Required Oracle File Names for Demo Database
Volume Name
Size
(MB) Raw Device File Name
Oracle
File Size
(MB)
opsctl1.ctl 108 /dev/vx/rdsk/ops_dg/opsctl1.ctl 100
opsctl2.ctl 108 /dev/vx/rdsk/ops_dg/opsctl2.ctl 100
opsctl3.ctl 108 /dev/vx/rdsk/ops_dg/opsctl3.ctl 100
system.dbf 408 /dev/vx/rdsk/ops_dg/system.dbf 400
ops1log1.log 28 /dev/vx/rdsk/ops_dg/ops1log1.log 20
ops1log2.log 28 /dev/vx/rdsk/ops_dg/ops1log2.log 20
ops1log3.log 28 /dev/vx/rdsk/ops_dg/ops1log3.log 20
system.dbf 408 /dev/vx/rdsk/ops_dg/system1.dbf 400