How hot is too hot?

How hot is too hot for a server? I know what my home PC runs at, but what is acceptable for a RedHat server? How accuract is SMART. I get the following LogWatch messages:

5 Time(s): SMART Usage Attribute: 194 Temperature_Celsius changed from 112 to 113
1 Time(s): SMART Usage Attribute: 194 Temperature_Celsius changed from 112 to 114
3 Time(s): SMART Usage Attribute: 194 Temperature_Celsius changed from 113 to 112

 

 

 

 

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