Tape lun write early and read ahead – Brocade Network Advisor SAN + IP User Manual v12.1.0 User Manual
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Brocade Network Advisor SAN + IP User Manual
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Tape LUN write early and read ahead
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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.
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 to display the Encryption Center
dialog box. (Refer to
Figure 303
on page 852.)
2. Select a group, switch, or engine from the Encryption Center Devices table, then select
Group/Switch/Engine > Targets from the menu task bar.
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. (Refer to
Figure 424
.)
FIGURE 424
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. (Refer to
Figure 425
.)