IBM Storwize V5000 Gen 2 Series, Quick Installation Manual

Page: 90 / 178

canister can communicate only with SAS port 2 on each drive. Similarly, if secondary expander module 1
is missing or is faulty, the expansion canister can communicate only with SAS port 1 on each drive.
Figure 64. Location of secondary expander modules
This task assumes that the following conditions were met:
• The top cover was removed, as described in “Removing the top cover: 2077-92F ” on page 42.
• The secondary expander module was removed, as described in “Removing a secondary expander
module: 2077-92F ” on page 89.
Procedure
1. Slide the expansion enclosure out from the rack, as described in “Removing an expansion enclosure
from a rack: 2077-92F ” on page 79.
2. Identify the secondary expander module to be replaced; Figure 65 on page 64 shows the LEDs on
top of a secondary expander module.
Figure 65. LEDs on a secondary expander module
1 Online indicator
2 Fault indicator
3. Rotate both handles on the new secondary expander module to an open position, as shown in Figure
66 on page 65.
64 Storwize V5000 Gen2: Quick Installation Guide