HP 6400/8400 HP StorageWorks 6400/8400 Enterprise Virtual Array User Guide - Page 117

Windows Server (64-bit) configuration, Requirements, HBA configuration, Risks, Limitations

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Windows Server (64-bit) configuration Requirements • Switch zoning or controller level SSP must be used to ensure each single path HBA has an exclusive path to its LUNs. • Single path HBA server can be in the same fabric as servers with multiple HBAs. • Single path HBA server cannot share LUNs with any other HBAs. HBA configuration • Hosts 1 and 2 are single path HBA hosts. • Host 3 is a multiple HBA host with multi-pathing software. See Figure 33 (page 118). NOTE: Single path HBA servers running the Windows Server 2003 (x64) operating system will support multiple single path HBAs in the same server. This is accomplished through a combination of switch zoning and controller level SSP. Any single path HBA server will support up to four single path HBAs. Risks • Single path failure will result in loss of connection with the storage system. • Single path failure may cause the server to reboot. • Controller shutdown puts controller in a failed state that results in loss of data accessibility and loss of host data that has not been written to storage. NOTE: For additional risks, see "Windows Server failure scenarios" (page 128). Limitations • HP P6000 Continuous Access is not supported with single path configurations. • Single path HBA server is not part of a cluster. • Booting from the SAN is not supported on single path HBA servers. Supported configurations 117

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Windows Server (64-bit) configuration
Requirements
•
Switch zoning or controller level SSP must be used to ensure each single path HBA has an
exclusive path to its LUNs.
•
Single path HBA server can be in the same fabric as servers with multiple HBAs.
•
Single path HBA server cannot share LUNs with any other HBAs.
HBA configuration
•
Hosts 1 and 2 are single path HBA hosts.
•
Host 3 is a multiple HBA host with multi-pathing software.
See
Figure 33 (page 118)
.
NOTE:
Single path HBA servers running the Windows Server 2003 (x64) operating system will
support multiple single path HBAs in the same server. This is accomplished through a combination
of switch zoning and controller level SSP. Any single path HBA server will support up to four single
path HBAs.
Risks
•
Single path failure will result in loss of connection with the storage system.
•
Single path failure may cause the server to reboot.
•
Controller shutdown puts controller in a failed state that results in loss of data accessibility
and loss of host data that has not been written to storage.
NOTE:
For additional risks, see
“Windows Server failure scenarios” (page 128)
.
Limitations
•
HP P6000 Continuous Access is not supported with single path configurations.
•
Single path HBA server is not part of a cluster.
•
Booting from the SAN is not supported on single path HBA servers.
Supported configurations
117