Dot Hill Systems II 200 FC - Manual (Page 129)

Chapter 8 Troubleshooting Your Array 8-11
8.7 Troubleshooting Flowcharts
This section provides troubleshooting flowcharts to illustrate common troubleshooting
methods.
The flowcharts included in this section are:
■
“Power Supply and Fan Module” on page 8-11
■
“Drive LEDs” on page 8-13
■
“Front-Panel LEDs” on page 8-16
■
“I/O Controller Module” on page 8-21
For the JBOD and expansion unit flowchart, see “Troubleshooting SANnet II 200 FC
JBOD Arrays” on page B-12.
For overview information about LEDs, see Chapter 6.
For information about replacing modules, refer to the SANnet II Family FRU
Installation Guide.
Caution – Whenever you are troubleshooting and replacing components, there is an
increased possibility of data loss. To prevent any possible data loss, it is a good idea to
back up user data to another storage device prior to troubleshooting your array.
8.7.1 Power Supply and Fan Module
The following flowchart provides troubleshooting procedures for the power supply and
fan module.