[OpenAFS] calculating memory
Fri, 28 Jan 2011 17:42:11 -0800
On Fri, Jan 28, 2011 at 15:24, Simon Wilkinson <firstname.lastname@example.org> wrote:
> On 28 Jan 2011, at 20:24, Gary Gatling wrote:
>> I am in charge of several afs servers in our college. Right now there ar=
>> 5 afs servers running on 5 SPARC based servers. We are ditching Solaris
>> since it sucks so bad and are going to move to Linux VM's running inside=
> Firstly, I would be cautious about running I/O intensive services like
> fileservers within =A0a VM. You'll almost certainly get better performanc=
> from bare metal, especially if you end up sharing the same physical hardw=
> between multiple fileservers.
Second that. However, depending on what one means by the
term VMware, it does not have to be horrendous. VMware ESXi
*can* be configured to approach native speed with the appropriate
hardware (where appropriate *always* means "not cheap"(*)).
However, if one means the free VMware Server (or the Workstation
or Fusion offerings), then it is conceivable one might be better off
keeping the Solaris systems..... As always, YMWV.
(*) I seem to recall that VMware did a demo setup that was
capable of rather impressive I/O numbers. I also think the
list price of the equipment started somewhere around
$250K (and as configured for the demo was probably