Fabric OS Encryption Administrator's Guide

Fabric OS Encryption Administrator’s Guide 71
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Tape LUN write early and read ahead
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Tape LUN write early and read ahead
Tape LUN write early and read ahead feature uses tape pipelining and prefetch to speed serial
access to tape. These features are particularly useful for performing backup and restore
operations, especially over long distances.
You can enable tape LUN write early or 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:
• “Adding target tape LUNs for encryption” on page 68
• “Enabling and disabling tape LUN write early and read ahead” on page 71
Enabling and disabling tape LUN write early and read ahead
To enable or disable tape LUN read ahead or tape LUN write early, follow these steps:
1. Select Configure > Encryption from the menu task bar.
The Encryption Center dialog box displays.
2. Select a group, switch, or engine from the Encryption Center Devices table, then select
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.
FIGURE 59 Encryption Targets dialog box
3. Select a target tape storage device from the table, then click LUNs.
The Encryption Target Tape LUNs dialog box displays.