Veritas Storage Foundation™ 5.0.1 for Oracle RAC Installation, Configuration, and Administrator's Guide Extracts for the HP Serviceguard Storage Management Suite on HP-UX 11i v3
Table Of Contents
- Veritas Storage Foundation™ 5.0.1 for Oracle RAC Installation, Configuration, and Administrator's Guide Extracts for the HP Serviceguard Storage Management Suite on HP-UX 11i v3
- Table of Contents
- Preface
- 1 Introducing Serviceguard Extension for RAC
- About Serviceguard Extension for RAC
- How Serviceguard Extension for RAC Works (High-Level Perspective)
- Component Products and Processes of SG SMS Serviceguard Cluster File System for RAC
- Communication Infrastructure
- Cluster Interconnect Communication Channel
- Low-level Communication: Port Relationship Between GAB and Processes
- Cluster Volume Manager
- Cluster File System
- Oracle Disk Manager
- Additional Features of Serviceguard Extension for RAC
- 2 Planning SGeRAC Installation and Configuration
- 3 Configuring the Repository Database for Oracle
- 4 Using Storage Checkpoints and Storage Rollback
- About Storage Checkpoints and Storage Rollback in SGeRAC
- Using Storage Checkpoints and Storage Rollback for Backup and Restore
- Determining Space Requirements for Storage Checkpoints
- Performance of Storage Checkpoints
- Backing up and Recovering the Database Using Storage Checkpoints
- Guidelines for Oracle Recovery
- Using the Storage Checkpoint Command Line Interface (CLI)
- Examples of Using the Command Line Interface
- Prerequisites
- Creating or Updating the Repository Using dbed_update
- Creating Storage Checkpoints Using dbed_ckptcreate
- Displaying Storage Checkpoints Using dbed_ckptdisplay
- Mounting Storage Checkpoints Using dbed_ckptmount
- Unmounting Storage Checkpoints Using dbed_ckptumount
- Performing Storage Rollback Using dbed_ckptrollback
- Removing Storage Checkpoints Using dbed_ckptremove
- Cloning the Oracle Instance Using dbed_clonedb
- 5 Using FlashSnap for Backup and Recovery
- About Veritas Database FlashSnap
- Planning to Use Database FlashSnap
- Preparing Hosts and Storage for Database FlashSnap
- Summary of Database Snapshot Steps
- Creating a Snapplan (dbed_vmchecksnap)
- Validating a Snapplan (dbed_vmchecksnap)
- Displaying, Copying, and Removing a Snapplan (dbed_vmchecksnap)
- Creating a Snapshot (dbed_vmsnap)
- Backing Up the Database from Snapshot Volumes (dbed_vmclonedb)
- Cloning a Database (dbed_vmclonedb)
- Resynchronizing the Snapshot to Your Database
- Removing a Snapshot Volume
- 6 Investigating I/O Performance for SGeRAC: Storage Mapping
- A Troubleshooting SGeRAC
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
dg PRODdg PRODdg - - - - - -
dm PRODdg01 Disk_1 - 71117760 - - - -
dm PRODdg02 Disk_2 - 71117760 - - - -
dm PRODdg03 Disk_3 - 71117760 - - - -
v data_vol fsgen
ENABLED 4194304 - ACTIVE - -
pl data_vol-01 data_vol
ENABLED 4194304 - ACTIVE - -
sd PRODdg01-01 data_vol-01
ENABLED 4194304 0 - - -
pl data_vol-04 data_vol
ENABLED 4194304 - SNAPDONE - -
sd PRODdg02-03 data_vol-04
ENABLED 4194304 0 - - -
dc data_vol_dco data_vol
- - - - - -
v data_vol_dcl gen
ENABLED 560 - ACTIVE - -
pl data_vol_dcl-01 data_vol_dcl
ENABLED 560 - ACTIVE - -
sd PRODdg01-02 data_vol_dcl-01
ENABLED 560 0 - - -
pl data_vol_dcl-02 data_vol_dcl DISABLED
ENABLED 560 - ACTIVE - -
sd PRODdg02-02 data_vol_dcl-02
ENABLED 560 0 - - -
a. Convert the data plex state from SNAPDONE to ACTIVE.
# vxplex -g PRODdg convert state=ACTIVE data_vol-04
b. Associate the data plex with a new DCO plex and convert it back to a SNAPDONE
state.
# vxplex -g PRODdg -o dcoplex=data_vol_dcl-02 \convert
state=SNAPDONE data_vol-04
# vxprint -g PRODdg
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
dg PRODdg PRODdg - - - - - -
dm PRODdg01 Disk_1 - 71117760 - - - -
dm PRODdg02 Disk_2 - 71117760 - - - -
dm PRODdg03 Disk_3 - 71117760 - - - -
pl data_vol-03 -
DISABLED 4194304 - - - -
sd PRODdg02-01 data_vol-03
ENABLED 4194304 0 - - -
v data_vol fsgen
ENABLED 4194304 - ACTIVE - -
pl data_vol-01 data_vol
ENABLED 4194304 - ACTIVE - -
sd PRODdg01-01 data_vol-01
ENABLED 4194304 0 - - -
pl data_vol-04 data_vol
ENABLED 4194304 - SNAPDONE - -
sd PRODdg02-03 data_vol-04
ENABLED 4194304 0 - - -
dc data_vol_dco data_vol
- - - - - -
v data_vol_dcl gen
ENABLED 560 - ACTIVE - -
pl data_vol_dcl-01 data_vol_dcl
ENABLED 560 - ACTIVE - -
sd PRODdg01-02 data_vol_dcl-01
ENABLED 560 0 - - -
pl data_vol_dcl-02 data_vol_dcl
DISABLED 560 - DCOSNP - -
sd PRODdg02-02 data_vol_dcl-02
ENABLED 560 0 - - -
• Scenario 2
In this scenario, there are fewer DCO plexes than data plexes.
# vxprint -g PRODdg
Preparing Hosts and Storage for Database FlashSnap 59