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Quantum ATL M2500 Library User’s Guide Addendum—Prism FC420 Bridge Option

Document 6473031-01, Ver. 1, Rel. 1

August 2002

Cabling the ATL M2500 Library for Fibre Channel 7

SDLT/LTO Drive Cabling with a 2-GB SAN 0

If the ATL M2500 library with SDLT or LTO drives is connected to a

2-GB SAN, Quantum recommends a maximum ratio of 2 tape drives

per FC420 SCSI port. This means that one FC420 Fibre bridge could

manage up to four tape drives, but a second FC420 Fibre bridge would

be required for libraries with five or six tape drives.

Figure 4

shows a six-drive library utilizing a two-drive per port

cabling scheme.

Figure 4 Two-Drives-Per-

FC420-Port Cabling

Note: To increase the bandwidth available to each tape drive,

install additional FC420 Fibre bridges and use the cabling

configuration shown in figure 3

Drive 2 Drive 1

Drive 4 Drive 3

Drive 6 Drive 5

Slot for FC420

FC420

SCSI controller

SCSI

2-GB SAN

Fibre

Primary

electronics

module

Auxiliary

electronics

module

M2500

SCSI

Fibre

SCSI

Terminator

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