UCS C220 M4 rack server extremely noisy
Hi,
I am preparing a UCS C220 M4 with windows 2012 for a client.
The server is extremely noisy, I mean much more than any other rack server I have ever seen.
All the fan are working at highest speed rate as if the server had to urgently cool down.
The question is: Is this normal ? Is the server broken ? Is there an option to lower the "fan-policy".
And how is this done.
Best regards,
Javier Conejo
The fan policy can be lowered if you go to the Server> Power Policies> Fan Policy.
Here is the explanation for each option:
http://www.cisco.com/en/US/docs/unified_computing/ucs/c/sw/gui/config/guide/1.5/b_Cisco_UCS_C-series_GUI_Configuration_Guide.151_chapter_011.html#concept_8CB787DF70304E98BE25D120466418B9
Balanced This is the default policy. This setting can cool almost any server configuration, but may not be suitable for servers with PCIe cards, since these cards overheat easily.
Performance This setting can be used for server configurations where maximum fan speed is required for high performance. With this setting, the fan speeds will run at the same speed or higher speed than that of the Balanced fan policy.
Low Power This setting is ideal for minimal configuration servers that do not contain any PCIe cards.
High Power This setting can be used for server configurations that require fan speeds ranging from 60 to 85%. This policy is ideal for servers that contain PCIe cards that easily overheat and have high temperatures. The minimum fan speed set with this policy varies for each server platform, but is approximately in the range of 60 to 85%.
Maximum Power This setting can be used for server configurations that require extremely high fan speeds ranging between 70% to 100%. This policy is ideal for servers that contain PCIe cards that easily overheat and have extremely high temperatures. The minimum fan speed set with this policy varies for each server platform, but is approximately in the range of 70 to 100%.
There are still some PCIe cards that cannot be monitored and cause the policy to be "ignored" so the server can be kept cool (I'm not saying that is your issue, I am just mentioning it)
Open an SSH session and enter the commands:
"connect debug-shell"
"sensors"
Paste the output here for the FAN sensors (they will have the word "FAN" on it)
Be sure you air flow is not blocked at all by doors or cables.
-Kenny
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Mezzenine
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-Rate all helpful answers.
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