Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/O2000 for Orac - Page 177

Other Verification Tasks, Power Distribution and Power Sequencing Guidelines

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5-48 Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide Other Verification Tasks Perform these other verification tasks: I Verify that Object Link Manager has been installed and is running. I Verify that the OPS_CMDISK symbolic link has actually been set. To verify the Object Link Manager has been installed and is running, select the Services icon in the Control Panel. Once there, look for "Oracle Object Service" in the list of services and see if it is shown as "Started". If the Object Link Manager has been installed and the service is running, verifying that the OPS_CMDISK symbolic link has been set can be done by running the Object Link Manager to see if the link OPS_CMDISK is in the list of links. Power Distribution and Power Sequencing Guidelines It is recommended you connect most cluster components to a Compaq power distribution unit (PDU). PDUs connect to an uninterruptible power supply (UPS) or building power. The PDUs and UPSs are the only cluster components connected to a building power source. If there is no UPS, the PDU plugs into building power. It is also recommended that you connect cluster components, such as servers, storage subsystems, switches, and hubs, to two PDUs and UPSs so the cluster components continue to operate if one PDU or UPS fails.

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5-48
Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide
Other Verification Tasks
Perform these other verification tasks:
■
Verify that Object Link Manager has been installed and is running.
■
Verify that the OPS_CMDISK symbolic link has actually been set.
To verify the Object Link Manager has been installed and is running, select the
Services icon in the Control Panel. Once there, look for
“
Oracle Object
Service
”
in the list of services and see if it is shown as
“
Started
”
.
If the Object Link Manager has been installed and the service is running,
verifying that the OPS_CMDISK symbolic link has been set can be done by
running the Object Link Manager to see if the link OPS_CMDISK is in the list
of links.
Power Distribution and Power
Sequencing Guidelines
It is recommended you connect most cluster components to a Compaq power
distribution unit (PDU). PDUs connect to an uninterruptible power supply
(UPS) or building power. The PDUs and UPSs are the only cluster
components connected to a building power source. If there is no UPS, the
PDU plugs into building power.
It is also recommended that you connect cluster components, such as servers,
storage subsystems, switches, and hubs, to two PDUs and UPSs so the cluster
components continue to operate if one PDU or UPS fails.