Preview Tool

Cisco Bug: CSCvt23481 - C220-M5 fans spin at max speed on 4.1(1c) if server has Broadcom storage device.

Last Modified

Jun 19, 2020

Products (1)

  • Cisco Unified Computing System

Known Affected Releases


Description (partial)

After CIMC upgrade to 4.1(1c), fans spin at maximum speed, ~20k if there is a Broadcom storage card in the system.

Normal operation after upgrade to 4.1(1c)

Related Community Discussions

Cisco UCS-C240-M3S Fans are LOUD and on full blast 24/7
am having an issue with a 'new to me' ucs c-240 m3s server.   When we received the server everything was in fantastic shape, factory defaults on everything. I started off with upgrading the firmware on the box.  I am now running 3.0(4i).  BIOS version is 3.0.4b.0.  I upgraded the firmware off the bat due to the fan speed. And basic google search unveiled that the version I was running was had a known problem with this.  The fan policy is set to 'LOW' and the fans are still WAY loud.  The only thing ...
Latest activity: Mar 10, 2020
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.