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42
IBM TotalStorage FAStT600 Fibre Channel Storage Server: Installation and User's Guide
Note: You cannot connect expansion units to the FAStT600 single-controller
storage server (Model 6LU/6LX). If you are using the FAStT600
single-controller storage server, skip this section.
You can connect expansion units any time after you install the storage server, even
while it is turned on and processing data. You can even install one expansion unit
now and an additional expansion unit later.
Note: The standard FAStT600 dual-controller storage server (Model 60U/60X)
supports up to three FAStT EXP drive expansion units. (For EXP700 drive
expansion units, you must also purchase the appropriate EXP700 drive
expansion unit attachment options, as shown in Table 4 on page 3.)
Note: If you want to connect up to seven expansion units, you must purchase the
Turbo option. Contact your IBM resellers or marketing representatives for
more information.
Attention:
You can add only new expansion units to the storage server. This
means that there must be no existing configuration information on the expansion
unit that you want to install. If the expansion unit that you want to install currently
contains logical drives or configured hot spares, and you want them to be part of
the FAStT600 storage server, you must contact IBM for information. Improper drive
migration might cause loss of configuration and other storage server problems.
To connect an additional expansion unit, perform the following steps.
Note: The following procedure is for "cold-case" (the FAStT600 storage server is
powered down when expansion units are connected.
1. Follow the instructions in your expansion unit installation manual to set up and
mount the new expansion unit.
2. Use the following procedure and Figure 41 on page 43 to connect a single
expansion unit to the storage server:
a. Ensure that the Enclosure ID switch is set to a value different from the 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.
b. Use a fiber-optic cable to connect to the FC-Expansion Units port on the left
RAID controller in the storage server to the In port on the left ESM board of
the expansion unit.
c. Use a second fiber-optic cable to connect the FC-Expansion Units port on
the right RAID controller in the storage server to the Out port on the right
ESM board of the expansion unit.
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