Technical data

54 Brocade VDX 8770-4 Hardware Reference Manual

53-1002563-05

Determining the status of a fan

Refer to Table 13 for possible results from this command. The RPM of each fan is also

provided. If a fan displays absent or faulty, contact the Brocade VDX 8770-4 supplier to order

replacement parts. Both physically absent or faulty could also be the result of the fan not being

properly seated.

NOTE

You can also use the show system command.

Figure 18 shows a fan module.

FIGURE 18 Fan module

1Power LED 2Fault LED

TABLE 15 Output for show environment fan command

Output Explanation

OK Fan is functioning correctly at the

displayed speed (RPM).

absent Fan is not present. Could also mean that

the fan is improperly seated.

below minimum Fan is present but rotating too slowly or

stopped.

above maximum Fan is rotating too quickly.