Re: Beginnning to think about VMware and SCO 5.0.5
- From: Bill Campbell <bill@xxxxxxxxxxxxx>
- Date: Wed, 25 Jun 2008 17:01:44 -0700
On Wed, Jun 25, 2008, Nico Kadel-Garcia wrote:
On 25 Jun, 08:48, "Steve M. Fabac, Jr." <smfa...@xxxxxxx> wrote:
I have not touched VMWare and don't know where to
start to investigate this issue. So I thought I'd
post it here where several users have implemented various
systems for their own use or client's to solicit recommendations
on suitable system configurations to replace the client's
current servers.
The client running SCO 5.0.5 Enterprise on two
servers, one is the live production and the other is
a "hot spare."
Gack. Can you get the clients upgraded to 5.0.7? There are real
problems installing older versions of OpenServer under VMware, due to
issues with older drivres for the emulated BusLogic SCSI controller.
Bela and others have recommended using IDE emulation rather than SCI on
VMWare server or workstation for OpenServer installations.
These are identical SuperMicro PIII 1.4Ghz machines with
512M RAM and a DPT 3754U2 RAID controller with 16M cache RAM,
and two 36G SCA 10K disks in RAID1.
Time to upgrade: you're going to take a serious performance hit from
virtualization. I like Dell 2950's and 2970's, which are what a number
of Xen consultants use, and give decent performance for VMware
Workstation.
I'm partial to the Supermicro main boards and chassis.
....
Charged with upgrading this hardware, it makes sense to plan
to migrate to a single CPU system board hosting a 2-3 GHz dual
or quad core Xeon CPU. I would then replace the full length
DPT RAID controllers with a current technology RAID controller
either SATA or SAS with suitable 76G to 146G hard drives in RAID1
Think about speed. SAS can go up to 15K RPM's but have smaller sizes,
SATA is typicall 7200 RPM at the 500 GB or larger sizes.
There are 10,000 RPM SATA drives, essentially identical to similar server-
grade SCSI drives including having similar sizes and prices. We have been
using the WD Raptors with good results.
Clearly, moving both live and backup systems to modern hardware
will require upgrading the SCO 5.0.5 OS to either 5.0.7 or
SCO Openserver 6.0 on both machines.
I've heard bad reports of 6, but I'm not sure I trust them and don't
have time to pursue it. If you find a source for cheap 5.0.7 licenses,
post it! I'd love to upgrade the 5.0.6 that I'm working with.
I don't have problems with 5.0.6a, restricted though it may be, as we don't
do anything other than run in-house accounting applications and associated
development on the SCO boxes. Everything that requires serious networking
or other tools is done on Linux or FreeBSD boxen.
Consider that much of the software running on OpenServer was designed years
ago to work with dumb terminals on hardware that's probably comparable to
commodity router appliances today.
Bill
--
INTERNET: bill@xxxxxxxxxxxxx Bill Campbell; Celestial Software LLC
URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way
Voice: (206) 236-1676 Mercer Island, WA 98040-0820
Fax: (206) 232-9186
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give irresponsible people an edge in the perpetration of their crimes
against us. -- The Idaho Observer, Vol. 1, No. 2 February 1997
.
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