The Information about Linux Desktop from IBM

linux21 May 2009: IBM announced the results of a study conducted by the I.T. analyst firm Freeform Dynamics, commissioned by IBM, which showed that Linux desktops were easier to implement than IT staff expected if they targeted the right groups of users, such as those who have moderate and predictable use of e-mail and office tools

The research behind the report, “Linux on the Desktop: Lessons from Mainstream Business Adoption,” was designed, executed and interpreted independently by Freeform Dynamics. Feedback was gathered via an online survey of 1,275 I.T. professionals from the U.K., U.S., Canada, Australia, New Zealand and a spread of other countries across Western Europe and the Nordics. Ninety percent of the study’s respondents had direct experience with desktop Linux deployment in their business.

Those with experience of such migrations said that Linux on the desktop was best achieved when it was first targeted to groups of non-technical users. Transaction workers and general professional workers were seen as more than twice as likely to be primary targets for desktop Linux adoption than mobile and creative staff. A majority of the respondents indicated that Linux desktop deployments to these targeted groups was easier than anticipated.

“Some users care a great deal about their desktop computing environment and may be emotionally or practically wedded to Windows,” said Dale Vile, research director, Freeform Dynamics. “The trick is to avoid getting distracted by these, and focus on the users for whom the PC on their desk is simply a tool to get their job done. Migrating a general professional user who only needs to access a couple of central systems, an email inbox and light word processing is pretty straightforward.”

Key statistics of the study include:

71% of respondents indicated cost reduction as their primary driver for adoption.
35% stated the ease of securing the desktop was another primary driver
32% cited the lowering of overheads associated with maintenance and support in general were factors contributing to the benefit of desktop Linux adoption
Those with experience of Linux desktop rollouts are 50% more likely to regard non-technical users such as general professional users and transaction workers as primary targets for Linux
58% of those with prior experience of a Linux desktop rollout see general professional users as primary targets
52% of those with prior experience of a Linux desktop rollout see transaction workers as primary targets.
32% of those with prior experience of a Linux desktop rollout see power users as primary targets.
47% of respondents said usability was the main consideration when evaluating or selecting a desktop Linux distribution for use in a business environment

The study confirmed Linux on the desktop adoption is primarily driven by cost reduction. About twice as many of the respondents cited cost savings over security as the primary driver of why they’d adopt Linux on the desktop. Participants in the study indicated that both environments can be secured adequately — it’s just cheaper to secure a Linux desktop and maintain it that way.

“If a company is a ‘Windows shop,’ at some point it will need to evaluate the significant costs of migrating its base to Microsoft’s next desktop and continuing the defense against virus and other attacks,” said Bob Sutor, vice president of Linux and open source, IBM Software Group. “Savvy IT departments see the Linux desktop as a PC investment that actually saves money during this downturn. We see the recession fueling open source on the desktop.”

The user groups in the study were defined as:

IT operations/support staff
General professional users (relatively light and predictable use of e-mail, office tools, etc)
Transaction workers (mostly using enterprise applications in a routine prescriptive manner)
Other (non-IT) technical staff (e.g. engineers, technical designers/architects)
Office based power users (e.g. finance staff, marketing teams, knowledge workers, etc)
Highly mobile professional users (e.g. sales, roaming managers, etc)
Creative staff (non-engineering, e.g. graphic design)

For more information on IBM, you can visit http://www.ibm.com/think

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Intel RAID Controller Troubleshooting Guide: Some of my hard drives show up during POST and some do not

Drives not showing up in post can be caused by a variety of problems. Please check the
following:

• Are you using the latest BIOS and firmware for the server board and the latest firmware
for the RAID card?

• System memory limitations limit the number and size of option ROMs that can be used
in the system. If you place too many adapters in the system, or the ROMs on the
adapters you have installed take up too much space in memory, the option ROM on
your RAID controller may not expand correctly and will not show the hard drives that are
connected to it. Try turning off the expansion ROMs for any on-board device that is not
being used. For example, if your server board includes a SCSI controller that is not
being used, disable this SCSI controller in BIOS setup. For a list of tested peripherals
with the Intel RAID controller, download the Tested Operating System and Adapter List
from http://support.intel.com/support/motherboards/server.

• If you are using a Zero Channel Card that utilizes the on board IO controller, such as an
on-board SCSI or Serial ATA controller, the Option ROM scan for the on-board device
must be enabled. If it is not enabled, drives connected to that device will not show up
during POST.

• Confirm that the drive power cables are firmly connected. If you are using a chassis
with a backplane, make sure the power and SCSI cables are properly applied to the
backplane and the hard drives are firmly seated in the backplane.

• Check your SCSI ID numbers. SCSI devices must each have a unique ID on the SCSI
bus. This number is set with jumpers on the device. ID numbers should be set starting
at 0 and they must be set lower than 8 if booting from the drive. If you are using a
server chassis with a backplane, the device IDs are usually automatically set by the
backplane, but may be manually configurable.

• Check for proper termination on the SCSI bus. Intel RAID cards are by default autoterminating.

If your hard drives still do not show during post, please call your customer support
representative. Note the following information and have it ready to assist the support engineer:

• Model number and firmware revision of the RAID controller you are using.
• Manufacturer and model number of other add-in adapters installed in your system.
• Manufacturer and model number of hard drives installed in the system.
• Identify the type of termination used for the card.
• The SCSI IDs of the devices on your SCSI bus.
• The number and type of SCSI channels.
• Manufacturer and model of the memory used in the system and on the RAID controller
and whether it is on the tested memory list.

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