HP P6350 Manual do Utilizador descarregar pdf (Página 160)

HBA configuration

• Host 1 is a single path HBA.

• Host 2 is a dual HBA host with multipathing software.

See Figure 81 (page 160).

Risks

• Single path failure may result in data loss or disk corruption.

NOTE: For additional risks, see “Linux” (page 166).

Limitations

• HP P6000 Continuous Access is not supported with single path configurations.

• Single HBA path at the host server is not part of a cluster, unless in a Linux High Availability

Cluster.

• Booting from the SAN is supported on single path HBA servers.

Figure 81 Linux (32-bit) configuration

5. SAN switch 11. Network interconnection

6. SAN switch 22. Single HBA server (Host 1)

7. Controller A3. Dual HBA server (Host 2)

8. Controller B4. Management server

Linux (Itanium) configuration

Requirements

• Switch zoning or controller level SSP must be used to ensure each single path HBA has an

exclusive path to its LUNs.

• All nodes with direct connection to a disk must have the same access paths available to them.

• Single path HBA server can be in the same fabric as servers with multiple 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

160 Single path implementation

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HP P6350 Manual do Utilizador Página 160