0
votes
2answers
77 views

Are there any disadvantages to unusual RAM amounts for virtual machines?

This is going to seem like a silly question, but many many years ago I somehow got it into my head, perhaps from reading an article or speaking to people 'in the know' that a computer should not be ...
9
votes
2answers
724 views

Find all virtual machines with ballooned or swapped RAM in VMware cluster?

If I were to look at a vSphere cluster or resource pool and see a certain level of memory ballooning or swapping, how do I identify which VMs are affected? I know what to do with them once I find them ...
5
votes
1answer
349 views

“Unballooning” RAM that's been ballooned by VMware

Given the constrained RAM situation described in this question, what is the cleanest method (manual or programmatically) to: Identify VMware virtual machines whose RAM has been reclaimed by the ...
39
votes
2answers
2k views

vSphere education - What are the downsides of configuring VMs with *too* much RAM?

VMware memory management seems to be a tricky balancing act. With cluster RAM, Resource Pools, VMware's management techniques (TPS, ballooning, host swapping), in-guest RAM utilization, swapping, ...
1
vote
3answers
231 views

ESXi running 2 x Windows 2012 setup advice

After much deliberating and advice I'm intending to use an element of virtualisation for deploying some new servers. The original (physical) plan was one server running as domain controller, SQL ...
3
votes
2answers
1k views

Why does my ESXi report higher memory usage than I expect?

I have a pair of ESXi (5.1) hosts in a High Availability cluster. Each host has 48GB of RAM. I currently have 18 VMs running, with the following configured memory amounts: 1x 4GB, 1 vCPU 1x 4GB, 4 ...
0
votes
1answer
2k views

What does this VMWare warning really mean? … “… Insufficient video RAM…”

Here is the actual warning from VMotiononing: Warning message from xxxx-esxi16.xxxxx.xxxxx.xxxxx.edu: Insufficient video RAM. The maximum resolution of the virtual machine will be limited to ...
3
votes
1answer
136 views

How does recent VMware ESXi (>= 5.1) use unallocated memory?

When an ESXi host is not under memory pressure (ie, running VMs are consuming less memory than physically available) how is "free" memory managed? Does it have some sort of block cache for block ...
3
votes
1answer
221 views

Esxi Host: acceptable memory overcommitment

How much can I overhead the physical memory of my host assigning memory to my guest machine? Example: Host physical memory:10 GB Is it acceptable for example assigning 2GB of virtual memory to 7 ...
1
vote
0answers
89 views

How do VM gets ram from Host machine in virtualization? [closed]

In Virtualization how do all the vm gets RAM? Does the Hypervisor allocate a portion of its RAM to each VM so that they can simple use it as its own RAM?lets say if a host machine has 8 GB RAM and ...
1
vote
0answers
151 views

Should I consolidate multiple identical VMs into BSD jails?

We run a number of Openfire XMPP/Jabber servers. Due to the way Openfire works, we cannot easily run multiple Openfire instances on one server, so I have 5 identical VMware ESXi VMs, each with CentOS, ...
1
vote
1answer
2k views

Reconciling vmware memory vs windows memory usage

I have a Windows 2008 R2 64 bit virtual machine on ESXi 4.1 host. The host reports that the virtual machine is actively using less than 1 GB of memory. But, in Windows it's reporting the machine is ...
-1
votes
1answer
469 views

How much RAM do I actually have?

I have a RHEL 3 machine that is part of a VMWare cluster. In VMware mgr Im told the machine has 24Gb of RAM As built it had 8 GB of RAM Looking at /proc/meminfo Im told [root@vmware1 root]# cat ...
0
votes
2answers
1k views

High memory usage, where is it coming from?

I have a virtual machine (Windows 2008 Server R2 64 bit running on vmware esxi 4) with 6 GB of installed RAM. It's reporting 95% memory usage and close to 0% CPU. This server hosts some WCF services ...
0
votes
1answer
341 views

In ESXi server, Why consumed host memory is more than allocated memory?

I am using ESXi 4.0 and ESXi 4.1 for my VM needs. I have allocated a VM with 4 GB RAM. Recently the user of that VM complained that he is unable to access the VM. I was trying to connect it through ...
0
votes
1answer
174 views

vCPU and RAM for ESXi Server Scenario

I will be deploying 3 VMs on a 4 CPUs x 2.799 GHz (Intel Xeon W3530), 24GB RAM ESXi 4.1 server. They will be: Win 2k8 R2 with IIS Server, php web gui. Win 2k8 R2 with SQL Server 2008. Win 2k8 R2 ...
0
votes
2answers
4k views

My HP ProLiant DL380G7 give Correctable ECC logging reached?

I have a HP Pro Liant DL380G7 and a VMWare ESXi installed on it. In configuration tab of vSphere client inventory Memory Status is Warning with this message "System Board 8 Memory: Correctable ECC ...
1
vote
2answers
2k views

Vmware memory usage shows differently from linux

I have a new system running under VMware, and I'm just trying to make sense of the memory use. In vSphere client, it shows me active using 335,544 KB: However, linux shows me using 3,146,148 KB: ...
0
votes
2answers
521 views

VM Windows 2003 Server Standard configured with 3.75 GB RAM

I am analyzing software performance problems on a VMWare virtual machine running Windows 2003 Server Standard Edition. I can see that the assigned memory is 3.75 GB in the computer properties dialog. ...
3
votes
1answer
2k views

How can I correct the NUMA setup of the memory on my server?

I am trying to install VMware ESXi onto a new dedicated server. However, when I boot from the VMware ESXi Installer CD, I am given the following error: The system has found a problem on your ...
2
votes
1answer
109 views

Is it Good to place Windows Server paging files on seperate fast storage?

How much of an impact does the performance of the storage system hosting the paging files of windows machines (I guess both physical or virtual instances like VMWare / KVM / Xen / Whatever)?
0
votes
1answer
411 views

Server configuration + Memory + VMWare question

I'd like to buy this guy: DL 380 G7, http://www.pcconnection.com/IPA/Shop/Product/Detail.htm?sku=11578414&cac=Result it's coming with 24 GB q1) what should be the best way to upgrade the memory ...
1
vote
4answers
1k views

How do we quantify the impact of a lower memory speed on a VMware ESXi host?

We have an IBM x3650 M2 server. It has 2 Intel X5570 CPUs (quad-core Nehalem). The current memory configuration is 12x 4GB DIMMs for a total of 48GB, running at 1066MHz. To increase the amount of ...