Connecting Drive Loop A To The Fastt700 Storage Server; Connecting Redundant Drive Loops To The Fastt700 Storage Server - IBM TotalStorage FAStT700 Installation Manual

Fibre channel storage server
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Leave the Out port on the left ESM board on the first drive enclosure and the In
(lower) connector on drive mini hub 4 unoccupied.
Loop A Fibre Channel cables
Out port on drive
mini hub 4
Figure 32. Connecting drive loop A to the FAStT700 Storage Server
2. Connect drive loop B to the FAStT700 Storage Server, as shown in Figure 33.
Starting with the first drive enclosure in the loop, connect the Out port on the
right ESM board to the In (lower) port on drive mini hub 3.
Leave the In port on the right ESM board on the last drive enclosure and the
Out (upper) port on drive mini hub 3 unoccupied.
Loop A Fibre Channel cables
Out port on drive
mini hub 4
Figure 33. Connecting redundant drive loops to the FAStT700 Storage Server
To connect a second redundant drive enclosure group to the FAStT700 Storage
Server, continue with Step 3; otherwise, go to "Connecting hosts directly to the
FAStT700 Storage Server" on page 32.
3. Connect drive loop C to the FAStT700 Storage Server, as shown in Figure 34
on page 32.
Starting with the first drive enclosure in drive enclosure group 2, connect the In
port on the left ESM board to the Out (upper) port on drive mini hub 2.
Loop B Fibre Channel cables
Last drive enclosure
First drive enclosure
In port on drive
mini hub 3
Loop B Fibre Channel cables
Last drive enclosure
First drive enclosure
In port on drive
mini hub 3
Chapter 2. Connecting the FAStT700 Storage Server
31

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