HP 6400/8400 HP StorageWorks 6400/8400 Enterprise Virtual Array User Guide - Page 115

Risks, Limitations, Windows Server (32-bit) configuration, Requirements

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Risks • Disabled jobs hang and cannot umount disks. • Path or controller failure may results in loss of data accessibility and loss of host data that has not been written to storage. NOTE: For additional risks, see "HP-UX failure scenarios" (page 127). 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. Figure 31 HP-UX configuration 1 Network interconnection 2 Host 1 3 Host 2 4 Management server 5 SAN switch 1 6 SAN switch 2 7 Controller A 8 Controller B Windows Server (32-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. • In the use of snapshots and snapclones, the source virtual disk and all associated snapshots and snapclones must be presented to the single path hosts that are zoned with the same controller. In the case of snapclones, after the cloning process has completed and the clone Supported configurations 115

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Risks
•
Disabled jobs hang and cannot umount disks.
•
Path or controller failure may results in loss of data accessibility and loss of host data that has
not been written to storage.
NOTE:
For additional risks, see
“HP-UX failure scenarios” (page 127)
.
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.
Figure 31 HP-UX configuration
5 SAN switch 1
1 Network interconnection
6 SAN switch 2
2 Host 1
7 Controller A
3 Host 2
8 Controller B
4 Management server
Windows Server (32-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.
•
In the use of snapshots and snapclones, the source virtual disk and all associated snapshots
and snapclones must be presented to the single path hosts that are zoned with the same
controller. In the case of snapclones, after the cloning process has completed and the clone
Supported configurations
115