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ESX Host Health Status Memory Warning

Posted on 2009-04-05
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Last Modified: 2013-11-10
I have a VI3 test lab set up with two identical Dell 2650 servers (4GB ram, Emulex HBAs, CX200 FC SAN).  One displays a health status memory warning which apparently prevents the host being placed in a DRS/HA cluster.  I cannot locate any memory related error in the logs.  I have exchanged DIMMS between the two servers with no change.  Please see attached VC pic
Does anyone have a clue what might be causing this?
memwarn.pdf
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Question by:virtualdude
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by:PCBONEZ
ID: 24073540
Check the voltage on the +5v rail.
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by:paulsolov
ID: 24073653
Upgrade BIOS
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by:PCBONEZ
ID: 24074796
RAM is powered by +5v.
If that voltage is out of range it could trigger the health status warning.
If the voltage is just a little out of range the RAM may still be working normally and so there will be no RAM errors recorded in logs.
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virtualdude earned 0 total points
ID: 24127350
running standalone diagnostics seems to have cleared this warning...
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by:PCBONEZ
ID: 24127957
Hopefully it was a one time false positive then.
If it reoccurs I would inspect PSU and motherboard for bad capacitors and signs of anything overheating.
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