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LRM & MEM

     
Enterprise Tape Library System
----> XLS TOUR <----
XLS TOUR OVERVIEW XLS AT A GLANCE COMPASS ARCHITECHTURE LRM & MEM XLS CONFIGURATIONS X-LINK INTERFACE
LRM product image

LRM - THE LIBRARY RESOURCE MODULE

The LRM is a complete library unit containing control electronics, tape drives, storage slots, I/O ports and our unique robotic media handler. Each LRM is highly scalable making it easy to vary drive and cartridge slot ratios to fit your needs.

MEM product image

MEM - THE MEMORY EXPANSION MODULE

When your storage needs grow beyond an LRM, one or two MEMs can easily be added. Using Qualstar’s trademark rotating carousel cartridge storage design, each MEM contains 1,075 additional slots in a very dense, compact footprint.


An LRM holds any mix of up to 20 or 32 Fibre Channel or SCSI LTO drives depending on the model. Bays holding up to 4 tape drives or 30 media storage slots can be mixed and matched to meet changing requirements. Up to 40 I/O slots are supported in each LRM.

XLS HIGHLIGHTS
COMPONENT LRM 820500 LRM 832700 MEM
Drive Bays – Standard 1 with 4 drive slots 2 with 8 drive slots  
Drive Bays – Optional Up to 4 additional bays
with 4 drive slots in each
Up to 6 additional bays
with 4 drive slots in each
 
Cartridge Slots – Standard 355* 435* 1,075
Cartridge Slots – Optional Add 110 Add 110 or 220  
I/O Slots – Standard 10 20  
I/O Slots – Optional Add 10 or 30 (maximum 40) Add 20 (maximum 40)  
Equipment Bay Options 6U or 8U 6U or 8U  
Supported Tape Drives LTO FC or SCSI LTO FC or SCSI  
Library Interfaces FC or SCSI added
in increments of 2 (maximum 8)
FC or SCSI added
in increments of 2 (maximum 8)
 
N+1 Power Optional Standard  
*Each additional drive bay subtracts 30 tape slots

XLS SPECIFICATIONS
 
Specifications LRM MEM
Dimensions 820500
(w, d, h)
Dimensions 832700
(w, d, h)
35 x 35 x 78 in
88 x 88 x 198 cm
45 x 35 x 78 in
113 x 88 x 198 cm
35 x 35 x 78 in
88 x 88 x 198 cm
Weight 820500
(fully populated)
Weight 832700
(fully populated)
1,202 lbs
545 kg
1,334 lbs
505 kg
1,057 lbs
479 kg
Power Requirements 100 – 240 VAC • 48 – 62 Hz  
Power Consumption See XLS Product Specification  
Reliability > 2,000,000 MEBF  
MTTR < 30 minutes  
XLS Performance
  • Load a drive or slot within an LRM:  11 seconds average
  • Load a drive or slot to / from an MEM: 12 seconds average
         
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