SR1530AH + PCI-E Riser = SRCSASRB RAID Capable

In the current SR1530HSH/SH line of 1U uniprocessor server systems we no longer need to deal with a standard and LX version of the product.

The 1U SR1530HSH/SH server systems come in 2 SKUs and both have the same motherboard (MB):

• SR1530SH: With fixed hard drives
• SR1530HSH with 3 Hot Swap Drive Bays

The cost differential between the fixed hard drive and hot swap hard drive models is relatively small in comparison to the previous generation's steps:

• SR1530AH: Base model with S3000AH MB and fixed drives
• SR1530AHLX: Base model with S3000AHLX MB and fixed drives
• SR1530HAHLX: Premium model with S3000AHLX MB and 3 hot swap drives

The cost differential between the base AH model and the hot swap AHLX model was quite a bit steeper than the current SH models.

So, in some cases we have configured the SR1530AH model with the add-in PCI-E PCB and subsequently an SRCSASRB Intel RAID controller for better drive performance without the need for the LX or hot swap features.

There is a proper sequence for installing and updating the RAID controller's firmware:

1. Install the Intel RAID controller into the PCI-E Riser card.
2. Install the riser into the 1U server.
3. Boot the server and connect to the RAID controller BIOS.
4. Setup the RAID array(s).
5. Reboot.
6. Download the newest SRCSASRB firmware.
7. Boot to a bootable USB flash drive.
8. Update the firmware.
9. Reboot and check into the SRCSASRB settings.
10. Download the newest S3000AH BIOS.
11. Boot to a bootable USB flash drive.
12. Update the BIOS
13. Reboot and verify the SRCSASRB shows up in the BIOS' hard drive boot order.
14. Boot into the Windows Server 2008 setup.
15. Install the SRCSASRB drivers and go from there.

On our first build we updated the SRCSASRB firmware without touching the S3000AH BIOS. In this case, the motherboard revision was a couple of steps back.

After the firmware update and subsequent boot into the Windows Server 2008 setup we kept getting an error message indicating that there was no controller associated with the hard disks listed. The error is identical to the one experienced in a previous Windows Vista setup problem.

In this case though, we rebooted back into the BIOS and sure enough the RAID controller was not listed as one of the boot device options.

Once we updated the board's BIOS we were good to go ... the SRCSASRB showed up in the BIOS as a bootable device and Windows Server 2008 was happy to be installed on the configured array.

Philip Elder
MPECS Inc.
Microsoft Small Business Specialists

*All Mac on SBS posts are posted on our in-house iMac via the Safari Web browser.

Intel SR2400SYSD2, SR1530AH, and SR1560SF Power Consumption

We have an APC BR1500LCD UPS unit that we leave sitting on our bench.

It has the facility to provide live readouts on its LCD panel of various power and UPS events.

One of them is the amount of watts that a device uses while connected to it.

So, to get an idea of what each unit uses for power we plugged each unit into the BR1500LCD on its own and fired it up.

Here are some of the results:

• Intel SR1560SF 1U with Dual E5440 Quad Core Xeons and 3x 750GB Seagate ES SATA
• Power Up POST: 205 Watts Peak
• SBS Boot: 175 Watts on average
• SBS Online: 145 Watts on average
• SBS at rest: 110 Watts on average
• Intel SR1530AH 1U with Intel Xeon X3230 Quad Core Xeon and 2x 750GB Seagate ES SATA
• Power Up: 175 Watts Peak
• Server 2008 Core Boot: 125 Watts on average
• Server 2008 Core online: 80 Watts on average
• Server off but plugged in: 8 Watts
• Intel SR2400SYSD2 2U with dual Intel Xeon 3.0GHz HT and 6x 500GB Seagate ES
• Power Up: 525 Watts Peak
• POST Initialization phase: 235 Watts on Average
• Windows Server 2003 scroll Portion of OS startup: 250 Watts on average
• Windows Server 2003 network and computer startup portion: 205 Watts on average
• SBS at work: 225 Watts on average
• SBS at rest: 205 Watts on average
• Server off but plugged in: 30 Watts

It looks as though the newer technology really shows its efficiency when running full tilt or at a relative idle as can be seen by the above numbers.

Obviously the 2U will consume a bit more power due to the additional hard drives and a more powerful fan setup. However, the older 2U still has a big hit against it in the form of power savings relative to the new 3000 and 5000 series Xeon setups.

In a high density data centre situation, that 50 watts at idle on the newer technologies spread across hundreds if not thousands of servers means a huge savings in power consumption for the server systems themselves as well as the power required to cool the centre.

The neat thing is, there are even better power efficiency enhancements coming down the pipe in future versions of Intel CPUs, the server boards they plug into, and the plug in peripherals. All of this translates into a bit of relief for those data centres already pushed to the limits on their floor space per compute capability, power consumption, and cooling capacity.

For us, it means we have seen a significant drop in our power bill with every NetBurst Xeon server we have replaced with a Core Xeon technologies based server.

That practical experience for us translates into a good selling point for the newer technologies with our clients. A server that saves them money even when they are not in the office is a good thing!

Philip Elder
MPECS Inc.
Microsoft Small Business Specialists

*All Mac on SBS posts are posted on our in-house iMac via the Safari Web browser.