Quantum Scalar i500 Betriebsanweisung Seite 176

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Chapter 6 Storage Networking
Configuring Data Path Failover
Scalar i500 User’s Guide 157
Figure 22 Enabling Data Path
Failover
Forcing Data Path
Failover 6
You can manually swich the active Fibre Channel port on a DPF-enabled
tape drive by forcing a failover. You might want to force a failover to
check that the non-enabled port still works, or to switch back to using
Port 1 once the issue that originally caused it to fail over is fixed.
Note: The illustration shows Port 1 as the default data port and Port
2 as the default failover port, but these defaults apply only if
the data path failover feature is not enabled when you insert
cables.
If data path failover is enabled, the first port into which you
insert a cable becomes the active data port and the second
port becomes the failover port. For example, if data path
failover is enabled and you insert a cable into Port 2, that
port becomes the active data port. Inserting a cable into Port
1 makes that the port used for data path failover.
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