Re: Linux Virtual Servers

---- Original Message ----- From: "Northrup, Wilson" <wilson_northrup@xxxxxxxxx>
To: "General Red Hat Linux discussion list" <redhat-list@xxxxxxxxxx>; "debu" <debajit_kataki@xxxxxxxxxxxxxx>
Sent: Tuesday, April 29, 2008 6:50 AM
Subject: RE: Linux Virtual Servers


How's your time synchronization over say, a week, on the linux servers
running on ESX? Are you running any RHEL 64bit? Any drift?


I have never had much luck with clock synchronization (of Linux guest hosts) running 64-bit VMware Workstation on CentOS 4.6 server. I have tried all the runtime kernel parameters, compiling custom kernels, using VMWare tools, and every other option I have found on the VMware site, but nothing has worked well for me. I usually wind up setting up a cron job to synch to the server every 5 minutes or so. Horrible hack, but it is the only thing that has worked for me.

On the other hand, I have had no issues with VirtualBox (with either Windows or Linux guests). I run both VirtualBox guest and VMWare guest OSes side-by-side without too many issues. I do not have any 64-bit guests, so I am not sure if things are better in that realm.

The clock synch issue in VMWare has always plagued me.

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