Figure 42 Create Virtual Library Wizard window (6 of 12)
6. Enter the number of tape drives you want to create in the library at this time in the Tape Drives
box, if different from the default value.
You can add more tape drives to the library later. The Tape Drives box defaults to the standard
number of drives for the library type.
NOTE:
All the tape drives created at one time are mapped to the same FC host ports. M ake sure to
load-balance the tape drives across the FC host ports to obtain maximum per formance.
Tape drives in a library do not have to be mapped to the same port as the library.
7. To enable data compression for the tape d rive(s) , select Enable Compression.
Data compression (2:1) is performed only on da ta handled by tape drives with data compression
enabled. D a ta compression allows the VLS to store more data.
NOTE:
A tape drive created with data compressi on enabled cannot be changed later so that data
compression is disabled.
8. Click Create Tape Drive.
A summar
y window opens and displays details about the tape drive(s) created (Figure 43).
76
Configuration
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