Virtual machine always sees ~200-300MB less memory than assigned..?

[soleblazer]

All,

I'm sure the question is simple, but I'm curious. I create a vm (redhat AS4u7 x86_64) and I always see less memory than assigned. If I assign 8gb to the vm in VIC, I see 7774mb on the vm when it comes up. If I assign 4gb in VIC I see something like 3774.

Does ESX claim a portion of the memory for overhead or something?

Not presenting any issues for me, just would like to know why this happens.

[jitendrakmr · Accepted solution]

Its not overhead for sure and even happens in case of physical server as well.

Thanks.

VCP, MCSE 2003, MCITP Enterprise Admin, CCNA, ITIL Foundation, Netapp NS0-153 (Storage Networking)

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