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Connecting additional expansion units
After you install the storage server, you can connect additional expansion units. You
can do this at 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: You must purchase an option to connect additional drive expansion
Attention:
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.
1. Follow the instructions in your expansion unit installation manual to set up and
2. Use the following procedure and illustration to connect a single expansion unit
Figure 33. Adding an expansion unit
3. Remove the blank filler trays and insert drive trays. Connect power to the
4. Use the storage-management software to check the status of the new drives,
enclosures to the FAStT600 storage server. Contact your IBM resellers or
marketing representatives for more information.
You can add only new expansion units to the storage server. This
mount the new expansion unit.
to the storage server:
a. 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.
b. 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.
c. 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.
Left ESM board
Right ESM board
In port
storage server, and then connect power to the drive expansion enclosures. After
the enclosures are powered-on, the storage server locates the new drives.
correct any errors found, and configure the new drives.
Out port
New expansion unit
Storage server with
two RAID controllers
Chapter 3. Cabling the storage server
35
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