Archive for April, 2009

Green IT = IBM x3650 M2, Intel Xeon 5500 (Nehalem) Processor, Cisco Nexus 5000, VMware vSphere

Friday, April 24th, 2009

thinkASG’s Green IT – Earthday 2009 Event was a great success. 
The Presentations by thinkASG on the merits of IBM’s x3650 M2, which utilize the Intel Xeon 5500 (Nehalem) Series Processors, along with Cisco’s presentation on Unified Fabric, demonstrated to our attendees the ability to run cutting edge technology solutions while simultaneously making great strides towards achieving Green objectives in their datacenter.  Key areas of the presentation revolved around the Dynamic Infrastructure :

Cost Reduction:
• Containing Operational Costs
• Reducing Complexity
• Unparalleled Productivity Gains via Virtualization and Optimization
Service Improvement:
• Providing High Availability across the Infrastructure
• Exceeding End User Expectations (both Internal Business Units and External Customers)
• Dynamic Access to Innovative Services

thinkASG demonstrated that these objectives can be met utilizing Green IT Solutions. Fewer more powerful IBM servers utilizing VMware’s virtualization technologies, connected through Cisco’s Unified Fabric, allow the business to reduce the cost of the data center by lowering the capital expense for the equipment, providing greater savings on power and cooling, and  realizing the return on investment more quickly.

Key Components of the Green Datacenter

IBM x3650 M2: x3650m21
• 2U Chassis
• 2 Intel Xeon 5500 (Nehalem) Processors
• Up to 128 GB of high-performance DDR-3 memory (planned availability this quarter)
• New energy-efficient design 675W power supplies are up to 92% efficient
• VMware ESXi 3.5 embedded hypervisor support

 

Intel Xeon 5500 (Nehalem) Series Processors:
• Up to 2.93 GHz and up to 1333 MHz front-side busintel_xeon_55002
• Up to 2.25 times the performance of the 5400 Series Processors
• Integrated power gates to control the power usage based on the actual activity.
• Turbo Boost Technology to ramp up processor speed demanded by consolidated workloads.

 

Cisco Nexus 5000: nexus5000
• High-performance 10 Gigabit Datacenter Ethernet
• Fibre Channel over Ethernet (FCoE)
• Virtual-machine-optimized networking
• Up to 40 fixed wire-speed 10 Gigabit Ethernet Ports
• Up to 2 expansion ports that support optional connectivity modules, such as 1/2/4 Gigabit Fibre Channel or additional 10 Gigabit Data Center Ethernet and FCoE.
The event was concluded at Edwards Cinemas for an advanced showing of Disney’s nature movie “Earth”.

Degraded disk performance on p6 520 running IBM i or Where’s my SAS raid auxiliary cache card?

Tuesday, April 14th, 2009

Here’s a fun one. When you install a new power6 520 with multiple partitions you might want one of them to own the internal SAS raid controller. If you planned to use Raid5 then you purchased the auxiliary cache card. Now when you add the SAS controller to the partition profile, you would think that it would take the cache card along with it since: 1) you aren’t given a option to select the cache card and 2) where the heck else should it go?

 Well you would be wrong. When you get the system up and running, you may notice that the drives are running in DEGRADED mode. This means that the system doesn’t see the aux cache card and to protect you from a SAS controller failure, it is kindly running without using any disk controller cache. Did I mention that it probably took you a LONG time to get to this point?

 Solution: Take a look at the server properties and you will notice that you have the SAS controller in T9 allocated but there is also a “SCSI Bus Controller” in C9 not being used. The C9 component is actually the aux cache card for the SAS Raid controller. Use Dynamic Logical Partitioning to add the C9 physical adapter to your partition and all will be well.

Virtualization

Monday, April 13th, 2009

Many meanings to many people.  In its humble beginnings at IBM, it allowed companies to utilize expensive mainframes by running numerous applications at the same time under a single hardware footprint.  With the introduction of IBM’s AIX (Unix) Environment, we see the use of similar technology but on smaller, less costly hardware.  Pretty soon, the use of virtualization becomes status quo for those environments.  Other companies in the Unix world begin to try and follow suit (i.e., Hewlett Packard and SUN).
 
During all of this breakthrough technology, PC servers continue to proliferate and soon become a major issue in datacenters due to the sheer numbers and the cost to run them.
 
Flash forward to 1998.  A small company is founded to provide virtualization technology to the Intel/AMD world.  They call themselves VMWare, and the product begins to take hold of the PC Server market place.  Due to the capabilities of the software, and the incredible ROI it provides, the company takes off like a rocket going into orbit.  In 2008, 10 years after their founding, their revenue exceeds 1.9 Billion Dollars and has over 130,000 customers.  It’s no wonder EMC acquired them and took them public.  Pretty soon there are numerous vendors vying for their place in this market (i.e., Microsoft, XEN, Parallels, etc.)
 
But virtualization on the PC server platform used to mean consolidation of many physical servers running at low utilization rates to less physical servers running many applications on virtual servers enabling businesses to realize hard dollar savings through the reduction of power, cooling and floorspace. So much for the old way of doing things.
 
Flash forward one more time.  Virtualization has now emerged as a key strategic weapon for not only consolidation, but for delivering business services on-time while also meeting SLAs never before considered.  Disaster recover, maintenance repair, and updates to hardware and software can all done in “real-time” without taking the business down to do so. 
 
In the face of a very challenging business climate, companies must consider all options that afford them cost containment, while still allowing the business to sustain its growth through new applications and areas of revenue growth to maintain their competitive edge.
 
Virtualization is alive and well and thriving in today’s new world.

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