HP StorageWorks 4400 Enterprise Virtual Array user ... - BUSINESS IT
HP StorageWorks 4400 Enterprise Virtual Array user ... - BUSINESS IT
HP StorageWorks 4400 Enterprise Virtual Array user ... - BUSINESS IT
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HBA configuration<br />
Risks<br />
Limitations<br />
Single path HBA server can be in the same fabric as servers with multiple HBAs.<br />
In the use of snapshots and snapclones, the source virtual disk and all associated snapshots and<br />
snapclones must be presented to the single path hosts that are zoned with the same controller. In<br />
the case of snapclones, after the cloning process has completed and the clone becomes an ordinary<br />
virtual disk, you may present that virtual disk as you would any other ordinary virtual disk.<br />
Single HBA path to the host with MPIO driver enabled to provide recovery from controller on<br />
controller link failures.<br />
Host 1 is a single path HBA.<br />
Host 2 is a dual HBA host with multipathing software.<br />
See Figure 34.<br />
Single path failure may result in data loss or disk corruption.<br />
NOTE:<br />
For additional risks, see “Linux” on page 77.<br />
68<br />
<strong>HP</strong> Continuous Access EVA is not supported with single path configurations.<br />
Single HBA path at the host server is not part of a cluster, unless in a Linux High Availability Cluster.<br />
Booting from the SAN is supported on single path HBA servers.<br />
Single path implementation