Tape Lun Write Early And Read Ahead - Brocade Communications Systems Brocade 8/12c User Manual

Tape LUN write early and read ahead

The tape LUN write early and read ahead feature uses tape pipelining and prefetch to speed serial
access to tape storage. These features are particularly useful when performing backup and restore
operations, especially over long distances.
You can enable tape LUN write early and read ahead while adding the tape LUN for encryption, or
you can enable or disable these features after the tape LUN has been added for encryption.
For more information, see the following topics:
•
•
Enabling and disabling tape LUN write early and read ahead
To enable or disable tape LUN write early and read ahead, follow these steps:
1. Select Configure > Encryption from the menu task bar.
2. Select a group, switch, or engine from the Encryption Center Devices table, then select
FIGURE 242
3. Select a target tape storage device from the table, then click LUNs.
Brocade Network Advisor SAN User Manual
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"Adding target tape LUNs for encryption"
"Enabling and disabling tape LUN write early and read ahead"
The Encryption Center dialog box displays
Group/Switch/Engine > Targets from the menu task bar, or right-click the group, switch, or
engine and select Targets.
NOTE
You can also select a group, switch, or engine from the Encryption Center Devices table, then
click the Targets icon.
The Encryption Targets dialog box displays
Encryption Targets dialog box
The Encryption Target Tape LUNs dialog box displays
Tape LUN write early and read ahead
on page 529
on page 533
(Figure 153).
(Figure 242).
(Figure 243).
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