Network Appliance DS14mk2 AT, Service Manual, Page: 49 / 68

Appendix A: Hot-adding a DS14mk2 AT 41
5 Verify that the disk shelf ID is not being used in the loop by entering
the following command at the console:
fcstat device_map adaptername
Caution
An invalid disk shelf ID causes the storage appliance to panic.
6 Turn on the power to the disk shelf and you must wait 30 seconds for
the shelf electronics to finish initializing.
7 Perform Step 8 through Step 11 exactly.
Note
If you connect the cable to the existing loop before you connect it to
the new shelf, you end up with an open loop panic.
8 Connect one end of the cable to the AT-FCX A Input on the new disk
shelf.
9 Connect the other end of the provided cable to the AT-FCX A Output
on the last disk shelf in the existing loop.
10 Connect one end of the cable to the AT-FCX B Input on the new disk
shelf.
11 Connect the other end of the provided cable to the AT-FCX B Output
on the last disk shelf in the existing loop.
12 Verify that all the cables are securely fastened.
Caution
Poorly secured cables cause the storage appliance to panic over an
open loop.
Result: In 60 seconds, the storage appliance recognizes the hot-
added disk shelf.
Step Action