Compaq ProLiant 6400R Compaq Parallel Database Cluster Model PDC/05000 for Ora - Page 152

Other Verification Tasks, Power Distribution and Power Sequencing Guidelines, Overview

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5-56 Compaq Parallel Database Cluster Model PDC/O5000 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 that the Object Link Manager has been installed and is running, go to the Services screen. From there, look for "Oracle Object Service" in the list of services and see if it is shown as "Started". To verify that the OPS_CMDISK symbolic link has been set: I If the Object Link Manager service is running, run the Object Link Manager to see if the link OPS_CMDISK is in the list of links. Power Distribution and Power Sequencing Guidelines Overview It is recommended that you connect most cluster components to a Compaq power distribution unit (PDU). PDUs connect to an uninterruptible power source (UPS) or building power. The power distribution units 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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5-56
Compaq Parallel Database Cluster Model PDC/O5000 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 that the Object Link Manager has been installed and is running, go
to the
Services
screen. From there, look for
“
Oracle Object Service
”
in the list
of services and see if it is shown as
“
Started
”
.
To verify that the OPS_CMDISK symbolic link has been set:
■
If the Object Link Manager service is running, run the Object Link
Manager to see if the link OPS_CMDISK is in the list of links.
Power Distribution and Power
Sequencing Guidelines
Overview
It is recommended that you connect most cluster components to a Compaq
power distribution unit (PDU). PDUs connect to an uninterruptible power
source (UPS) or building power. The power distribution units 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.