moved into any logical library. If sharing the mailslot among logical libraries is an issue in your
environment or is not supported by your backup application, disable the mailslot.
Each logical library has a unique serial number and World Wide Identifier (WWID), which can be
found in the RMI Identity > Library screen. For more information on WWIDs, see “World Wide
identifiers” (page 24).
NOTE: Libraries that require a license to enable all slots must have all slots licensed to operate
with the Library Extender.
Partitioning the MSL2024 and MSL8048 Tape Libraries
An MSL2024 tape library with two tape drives can be configured into two logical libraries. Each
logical library is assigned one tape drive and one magazine.
An MSL8048 with at least two tape drives can be configured into two logical libraries. Each logical
library is assigned at least one tape drive and two magazines.
Table 2 MSL2024 and MSL8048 Tape Libraries partitioned into two logical libraries
MagazinesTape drives
MSL2024
MSL8048
1. Logical library 1 tape drives and magazines
2. Logical library 2 tape drives and magazines
Partitioning the MSL4048 and MSL8096 Tape Libraries
The MSL4048 and MSL8096 Tape Libraries can be configured into two to four logical libraries,
depending on the number of tape drives installed. The MSL4048 supports up to two full-height
tape drives or up to four half-height tape drives. The MSL8096 supports up to four half-height or
full-height tape drives. For the tape drives and magazines assigned to each logical library see:
• “MSL4048 and MSL8096 Tape Libraries partitioned into two logical libraries” (page 20)
• “MSL4048 and MSL8096 tape libraries partitioned into three logical libraries” (page 20)
• “MSL4048 and MSL8096 Tape Libraries partitioned into four logical libraries” (page 21)
Each logical library includes the tape drives in specific drive locations. You might need to move
a tape drive if there is not a tape drive in the top half of the library. If the library only has two tape
drives installed in the bottom two drive bays, move one tape drive to the top half of the library.
Power off the tape drive from the RMI Configuration > Drive screen before moving the tape
Logical libraries 19
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