Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/O2000 for Orac - Page 225

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A-2 Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide Figure A-1 identifies, in a flowchart format, the sequence of tasks you should perform to diagnose, isolate, and resolve shared disk problems in a PDC/O2000. A detailed description of each task is provided in the following sections of this appendix. Entry Point: Potential Shared Disk-Related Problem Detected Run Object Link Manager OK On All Nodes Problem Persists Restart All Affected Nodes in the Cluster Proceed To Rerun and Validate Object Link OK Manager On All Affected Nodes Problem Persists Run and Validate OK Secure Path Manager Problem Persists Run Disk Management OK On All Nodes Problem Persists Run and Validate the Array Configuration Utility OK On All Nodes Problem Persists Perform Cluster Software OK and Firmware Checks Problem Persists Perform Cluster Hardware Checks OK Problem Persists Contact Your Compaq Support Representative Exit. Problem Fixed or No Further Disk Problems Rerun and Validate Object Link OK Manager On All Affected Nodes Problem Persists Exit. Problem Fixed or No Further Disk Problems Figure A-1. Tasks for diagnosing and resolving shared storage problems

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A-2
Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide
Figure A-1 identifies, in a flowchart format, the sequence of tasks you should
perform to diagnose, isolate, and resolve shared disk problems in a
PDC/O2000. A detailed description of each task is provided in the following
sections of this appendix.
Entry Point: Potential Shared
Disk-Related Problem Detected
Run Object Link Manager
On All Nodes
Restart All Affected Nodes
in the Cluster
Rerun and Validate Object Link
Manager On All Affected Nodes
Run and Validate
Secure Path Manager
Run
Disk Management
On All Nodes
Run and Validate the
Array Configuration Utility
On All Nodes
Perform Cluster Software
and Firmware Checks
Perform Cluster Hardware Checks
Contact Your
Compaq Support Representative
Problem Persists
Proceed To
Problem Persists
Problem Persists
Problem Persists
Problem Persists
Problem
Persists
Problem Persists
Problem Persists
OK
OK
OK
OK
OK
OK
OK
OK
Exit. Problem
Fixed
or No Further
Disk
Problems
Rerun and
Validate
Object Link
Manager
On All
Affected
Nodes
Exit. Problem
Fixed
or No Further
Disk
Problems
Figure A-1.
Tasks for diagnosing and resolving shared storage problems