Network Appliance DiskShelf 14mk2 FC, Hardware And Service Manual

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Appendix A: Adding a Disk Shelf to an Existing System 69
For detailed
information For detailed information about hot-adding a disk shelf, see the following topics:
◆
“ Hot-adding a disk shelf to an existing loop ” on page 70
◆
“ Hot-adding a disk shelf to an existing adapter in your system ” on page 74
Open loop panic
One of three reasons cause this error message to appear:
◆
The terminate switch on LRC/ESH A and LRC/ESH
B on the new disk shelf are not in the On position.
◆
The shelf-to-shelf cable between the now second-to-
last disk shelf and the newly added disk shelf is
defective or is not securely fastened.
◆
The speed of the newly added DS14mk2 FC/
DS14mk4 FC disk shelf is incorrectly set.
Soft address
panic
One of two reasons cause this error message to appear:
◆
There is an invalid disk shelf ID.
◆
The power was turned on before the disk shelf ID
was changed and the disk shelf was not power-
cycled after the disk shelf ID was changed.
Error message Explanation