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ESX4 + Nehalem Host + vMMU = Broken TPS !

Since upgrading our 2 host lab environment from 3.5 to 4.0 we are seeing poor Transparent Page Sharing performance on our new Nehalem based HP ML350 G6 host. Host A : ML350 G6 - 1 x Intel E5504, 18GB...

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CPU Contention Basics

I have been called in to address performance issues in a vSphere 4.1 environment.  Most of the VMs are set with 4 vCPUs for no specific reason.  It seems to have been set at 4 vCPUs thinking more CPUs...

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ESX 4 boot fails at vsd-mount

 Hi, we have two ESX4 hosts connected to an IBM DS3400 storage system.With FC cables plugged in both the ESX stops booting at vsd-mount.   With FC cables pulgged out, the ESX boot is ok.After the ESX...

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Hyper-threading and vCPUs

Some years ago I was working with VMware Server 1.0 on Windows 2003. I had 2 servers with VMware Server, one of them has one Hyper-threaded Intel CPU, and the other one has the same Intel CPU but with...

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Gold Build Tuning Windows 2008 R2

Hi Guys  I'm currently trying to create a fresh gold build of Windows server 2008 R2 for our templates, looking for some tuning tips to speed up, tweak, tune, optimize, generally make the image as fast...

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How to install Samba server on ESX 4 (vSphere 4)

VMWare does not support samba server and do not include the required RPMs in the ISO image. As we know samba is riddled with security problems and it's usage is frowned upon  However, if used in a...

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Upload an ISO in Update Manager

 Hi,  I used the new baseline wizard to import my vSphere ISO in update manager. The first step who consist to transfering the ISO is OK but the second step failed.  Please look the screenshot  I check...

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Boot from SAN (iSCSI)isn't working for me on ESX4.0: "sh: can't access tty;...

 We are working with Boot fromSan and Installed ESX4.0 GA on aiSCSI LUN. After Installation the ESX Server booted with no problems.We are cloning the iscsi boot LUN in order to provision moreESX...

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vsd-mount !!

 Hello Friends,  Two question   1)It's Already happen to me Few Times.  During reboot of my vsphere ESX4 I Have following error:  vsd-mount !!  Then i get : //bin/sh: can't Access tty; job control...

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vSphere client and Windows 7 compatibility

 When will be vSphere client compatible with Windows 7? or is there any way to connect to vSphere server or vCenter server???        

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poor performace iscsi

 Hi all i use an esx4 connect to an opensolaris datastore. On the open solaris i share a dir by nfs and a lun by iscsi. When i try this share by windows i have the same perf (nearly 100 mo/s) but when...

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Active Guest Memory incorrectly reported

 Hi,   We are using esx 4.0 build 164009 on some Dell R710 servers, with the Nehalem processors. The problem we are experiencing is that the Active Guest Memory for VM's is reported incorrectly when...

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Disks bigger than 2TB - 512B are not supported.

My 2tb rdm disks that worked in 3.5 do not work on 4.0. Is that by design or am I doing something wrong. Please Help..

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ESXi 4 - RAID Issues - ASUS RS700-E6/RS4

I've dabbled with virtualization for a few years now, but must admit up front that I am new to the world of ESXi. Our company is wanting to replace 4 aging servers with a new beefier setup running...

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EMC Clariion CX400

 Hi,  Is it possible to use an EMC Clariion CX400 with ESX 4.0? HCL says no - but are there any tricks?  Regards,Mike  

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ESX 4 Network Connection

I just the set up the new ESX 4 Host. During the installation, I did not assign IP address for it. After finishing installation, I go the service console to assign the ip address. However, even that...

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Dell OMSA 6.1.0 on ESX 4.0 Classic

Hi, According to this thread, people have successfully installed OMSA 6.1.0 on ESX 4.0 Classic. http://communities.vmware.com/thread/211864 I have no idea how they are doing it, because it certainly...

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Compatible PCI x1 RAID controller for ESX 4 and SATA drives

 I am trying to build up an low cost ESX 4 server using existing hardware.  I have been successful at fully implementing the ESX 4 server on my machine and now that I have proven that the concept...

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ESX4 inexpensive hardware, CPU and MOBO suggestions

 I'm putting together an estimate of the hardware costs for a vSphere ESX4 project. Imagine a google-like rack with just motherboards and power supplies in trays probably booting off USB sticks or PXE...

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Lost connectivity to storage device

 It seems like I get one of these at least once a day.  Some times the datastore is unknown and other times it tells me the servers name.  I have 4 servers in my cluster, all Dell's, and an EqualLogic...

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