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Note: A progress window shows the modification progress. After the cache
setting modification complete, click OK to close the progress
window and return to the Subsystem Management window.
Refer to the Storage Manager client online Help panels for more details on
disabling cache.
5. Stop I/O to the storage server.
6. Unmount any mapped LUNs from the storage server.
7. Turn off the FAStT600 Storage Server.
8. Label each cable that connects to the RAID controllers. This ensures that all
cables will be properly reconnected to the new RAID controllers.
Attention:
Handle and install fiber-optic cables properly to avoid degraded
performance or loss of communications with devices. When working with
fiber-optic cables, do not pinch them, step on them, or locate them in aisles or
walkways. Do not overtighten the cable straps or bend the cables to a radius
smaller than 38 mm (1.5 in.).
9. From both RAID controllers to be upgraded, remove the fibre-channel cables
from the SFPs. The location of these components is shown in Figure 54.
SFP module
Fiber-optic
cable
Figure 54. Location of SFPs and fiber-optic cables
After removing the fibre-channel cables, insert the protective caps.
10. Use the following procedure to remove the SFPs from the RAID controllers to
be upgraded.
a. Remove the LC-LC fibre-channel cable from the SFP module. For more
information, see "Handling fiber-optic cables" on page 33.
b. Unlock the SFP module latch:
v For SFP modules that contain plastic tabs, unlock the SFP module latch
by pulling the plastic tab outward 10°, as shown in Figure 55 on page
70.
Raid controller
Chapter 5. Installing and replacing components
69
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