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Left ESM board
Right ESM board
In port
Figure 41. Adding an expansion unit
3. Remove the blank filler trays and insert drive trays. Connect power to the drive
expansion unit first, then connect power to the FAStT600 storage server. After
the storage server is powered-on, the storage server locates the new drives.
4. Use the storage-management software to check the status of the new drives,
correct any errors found, and configure the new drives.
Use the following procedure and Figure 42 on page 44 to connect a second
expansion unit to the storage server after previously adding the first expansion unit:
1. Turn off the FAStT600 storage server first, and then turn off the attached FAStT
EXP drive expansion unit. (See "Turning the storage server on and off" on page
45 for the correct procedure.)
2. Ensure that the enclosure ID switch is set to a value different from one set for
the FAStT600 server and other drive expansion enclosures in the loop. Also,
ensure that the link speeds of the expansion units are set to 2 Gb.
3. Disconnect cable 1 from its current connection and connect it to the In port on
the left ESM board on the new expansion unit.
4. Connect cable 2 to the In port you disconnected in step 1 and the Out port on
the left ESM board on the new expansion unit.
5. Connect a third cable 3 to the In port on the right ESM board on the first
expansion unit and the Out port on the right ESM board on the new expansion
unit.
Out port
New expansion unit
Storage server with
two RAID controllers
Chapter 3. Cabling the storage server
43
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