[cisco-voip] ESXi RAM Requirements

[Matthew Loraditch]

I’d got with what Charles said for the 4 vs 8 part as to allocating, yes you just leave it on the table.

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Charles Goldsmith
Sent: Friday, October 30, 2015 11:00 PM
To: Anthony Holloway <avholloway+cisco-voip at gmail.com>
Cc: Cisco VoIP Group <cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] ESXi RAM Requirements

This is purely a guess, but I think the fact that we don't use a lot of the features available in ESXI is why Cisco doesn't have us reserve 8gb.  I've never had an issue with running out of ram on a production system, always cores.

On Fri, Oct 30, 2015 at 8:58 PM, Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway+cisco-voip at gmail.com>> wrote:
Hey All,

I'm trying to understand the concept of ESXi's RAM requirements, and with 5.5 VMWare says the minimum is 4GB, but they do recommend 8GB for "full features."

When I look at this one guide as an example:
http://docwiki.cisco.com/wiki/UC_Virtualization_Supported_Hardware#BE6000H.C2.A0Servers_and_Small_Plus_UConUCS_Tested.C2.A0Reference_Configurations

It shows that 48GB of RAM is installed inside, but only 44GB is available to VMs.  That makes me think Cisco is only accounting for a 4GB minimum, and not the 8GB recommended.

Is that what you read that as, as well?  And how does one allocate 8GB to ESXi?  Do you just not use it for your VMs and leave it on the table, a la CUC core reservation?

A little late Friday evening thoughts right before a holiday weekend.  That's how you know I'm in this job deep.  Thanks and have a great weekend.


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