Chapter 10: Path Failover
Configuring Data Path Failover
376 Quantum Scalar i6000 User’s Guide
4 From the Control Path (CP) Type drop-down list, select Advanced
Control Path (IBM).
5 Select the drives you want to be control paths in the CP column. You
can select all drives listed as long as they have an SNW license.
Note: If you select the checkbox in the CPF column you will
receive an error. Failover is not available for the Advanced
Control Path option.
6 Click Finish. An Operation in Progress dialog box appears.
Configuring Data Path Failover
There are two types of data path failover: basic and advanced.
Basic Data Path Failover (BDPF): Basic Data Path Failover is a feature
provided as part of the Storage Networking license and applies to HP
LTO-5 and later Fibre Channel tape drives only. It provides an alternate
data path when a preferred data path fails. If you previously installed a
Storage Networking license, you can use this feature once you upgrade
library firmware to the appropriate version. Verify firmware version
requirements in the
Scalar i6000 Release Notes
.
The HP LTO-5 and later Fibre Channel tape drives have two Fibre Channel
ports. If you enable Data Path Failover on the tape drive, one port is
used as the “active port” for data transmission, and the other port
stands by for use if the active port fails. If the tape drive loses its Fibre
Channel link with the active port, it will automatically “fail over” and use
the standby port to continue drive operations.
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