8
6
5
4
3
2
1
26464a
7
Figure 34 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 controller. In
the case of snapclones, after the cloning process has completed and the clone becomes an ordinary
virtual disk, you may present that virtual disk as you would any other ordinary virtual disk.
• Linux 64-bit servers can support up to14 single or dual path HBAs per server. Switch zoning and
SSP are required to isolate the LUNs presented to each HBA from each other.
HBA configuration
• Host 1 is a single path HBA.
HP StorageWorks 4400 Enterprise Virtual Array user guide 69
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