Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/05000 for Orac - Page 95

Network Planning, Windows 2000 Advanced Server Host Files for an Ethernet Cluster Interconnect

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Cluster Planning 4-21 If a logical drive is configured with a RAID level that does not support fault tolerance (for example, RAID 0), then the failure of the shared disk drives in that logical drive will disrupt service to all Oracle databases that are dependent on that disk drive. See "Selecting the Appropriate RAID Level" earlier in this chapter. The array controllers are equipped with RAID. The array controller RAID is configured with RAID storageset commands issued from the CLI window or from the SWCC. The array controller software (ACS) monitors the status of the shared disk drives. If it detects a drive failure, it puts that drive in the failed set. From the StorageWorks CLI or SWCC GUI, you can monitor the status of shared storage disk drives and failed sets. A failed drive is displayed from the SWCC GUI with an "X" marked over it. For further information, refer to "Replacing a Failed Drive in a Storage Subsystem" in Chapter 6, "Cluster Management." Network Planning Windows 2000 Advanced Server Host Files for an Ethernet Cluster Interconnect When an Ethernet cluster interconnect is installed between cluster nodes, the Compaq operating system dependent modules (OSDs) require a unique entry in the hosts and lmhosts files located at %SystemRoot%\system32\drivers\etc for each network port on each node. Each node needs to be identified by the IP address assigned to the Ethernet adapter port used by the Ethernet cluster interconnect and by the IP address assigned to the Ethernet adapter port used by the client LAN. The suffix "_san" stands for system area network.

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Cluster Planning
4-21
If a logical drive is configured with a RAID level that does not support fault
tolerance (for example, RAID 0), then the failure of the shared disk drives in
that logical drive will disrupt service to all Oracle databases that are dependent
on that disk drive. See
“
Selecting the Appropriate RAID Level
”
earlier in this
chapter.
The array controllers are equipped with RAID. The array controller RAID is
configured with RAID storageset commands issued from the CLI window or
from the SWCC.
The array controller software (ACS) monitors the status of the shared disk
drives. If it detects a drive failure, it puts that drive in the failed set. From the
StorageWorks CLI or SWCC GUI, you can monitor the status of shared
storage disk drives and failed sets. A failed drive is displayed from the SWCC
GUI with an
“
X
”
marked over it. For further information, refer to
“
Replacing a
Failed Drive in a Storage Subsystem
”
in Chapter 6,
“
Cluster Management.
”
Network Planning
Windows 2000 Advanced Server Host Files for an
Ethernet Cluster Interconnect
When an Ethernet cluster interconnect is installed between cluster nodes, the
Compaq operating system dependent modules (OSDs) require a unique entry
in the hosts and lmhosts files located at %SystemRoot%\system32\drivers\etc
for each network port on each node.
Each node needs to be identified by the IP address assigned to the Ethernet
adapter port used by the Ethernet cluster interconnect and by the IP address
assigned to the Ethernet adapter port used by the client LAN. The suffix
“
_san
”
stands for system area network.