[CentOS] VMWare ESXi & CentOS5.4

Michael Dross mdross at wright-weather.com
Fri Feb 5 21:19:29 UTC 2010


Vmware tools installed the pvscsi library. But does not automatically
reconfigure the boot/kernel to use it.

Here is a good web page that explains the steps to remake the initrd. Once
you have done that under settings in
the vSphere Client change the SCSI controller setting to Paravirtual.  I
think that the pvscsi lib will be included
in a forth coming linux kernel tree, which will make having to add this
manually, obsolete. Not sure when that will
be. I wish VMware would automate this as part of the install or P2V process.


http://vmadmin.nt.com.au/?p=28

-Mike
 

-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf
Of Les Mikesell
Sent: Friday, February 05, 2010 1:36 PM
To: centos at centos.org
Subject: Re: [CentOS] VMWare ESXi & CentOS5.4

On 2/5/2010 12:25 PM, Michael Dross wrote:
> I have recently installed ESXi4 on a new HP DL380 G6 with 12GB of memory.
> I am running CentOS 5.4 and CentOS 4.8.  A few things I have learned.
>
> First, for best I/O performance you should use the Vmware Paravirtualized
> storage controller driver. It's a little bit of a hassle setting it up.
> You just have to remake the initrd file. This will give about 10% better
> disk I/O than using the other emulated controllers.

Does this happen by itself if you've installed vmware tools in the guest 
and then get a kernel update that triggers an initrd rebuild or do you 
have to do something to specify the right module to include?

-- 
   Les Mikesell
    lesmikesell at gmail.com
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