Skip to main content
NetApp Knowledge Base

Brocade 6505 on old FOS with single PSU reports BAD_FAN (MARGINAL) in MAPS

  1. Last updated
  2. Save as PDF
Views:
98
Visibility:
Public
Votes:
0
Category:
fc-series
Specialty:
san
Last Updated:

Applies to

  • Brocade 6505 
  • Fabric OS (FOS) v8.0.1 or lower
  • Power Supply Unit (PSU)

Issue

  • Brocade 6505 with a single PSU is alerting  a fan issue:
  • Errdump alerts:

2022/12/14-10:52:00, [MAPS-1021], 35, FID 128, WARNING, switch1, RuleName=defCHASSISBAD_FAN_MARG, Condition=CHASSIS(BAD_FAN>=1), Obj:Chassis [ BAD_FAN,1] has contributed to switch status MARGINAL.

  • mapsdb --show  alters status as MARGINAL

switch1:admin> mapsdb --show
Current Switch Policy Status: MARGINAL
Contributing Factors:
---------------------
*BAD_FAN (MARGINAL).
[...]

  • Output of psshow and fanshow is as expected:

/fabos/cliexec/psshow:
Power Supply #1 is OK
Power Supply #2 is absent

/fabos/cliexec/fanshow:
Fan 1 is Ok, speed is 8653 RPM
Fan 2 is Absent

  •  The Switch status policy is as expected for a single PSU switch. 
switch.status.policy.PowerSupplies.down = 2
switch.status.policy.PowerSupplies.marginal = 0
switch.status.policy.Fans.down:2
switch.status.policy.Fans.marginal:0

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.