Storage Informer
Storage Informer

Some recommended steps to take migrating from RISC -> IA

by on Jun.26, 2009, under Storage

Some recommended steps to take migrating from RISC -> IA

We talk a lot about how great the Intel Xeon processor compares vs. competing RISC architectures when it come to price and price/performance on various workloads, but unfortunately for many existing people running on RISC hardware, simply throwing out the old and standardizing on the shiny new Intel-based servers isn&apost always that simple of a proposition.  Why? Your existing software running on UNIX (i.e. AIX, Solaris) may be custom-coded on your flavor of UNIX, the source code may be lost, the guy who wrote retired 5 years ago, etc.  So, how do you account for this when &aposrunning the numbers&apos to see if it makes sense to rid yourself of the power and money-sucking old RISC server collecting dust in the back of the data center?  These five steps may help:

1. (and compare vs buying new RISC hardware)This is the simple analysis that looks at performance of your existing system, compares it to new hardware and then factor in other significant cost items like power consumption, software licensing, software/hardware maintenance costs, etc.2.Meaning, look at all the software that actually runs on these servers, the packaged applications and the custom code.3.You may chose to do this on your own if it doesn&apost look too intimidating, but for more complicated migrations, likely you will need some external help.4. TestYou may only be able to test the &aposeasy stuff&apos initially, but verify the performance deltas between the new and old systems calculated in step 1 to correctly size how much hardware you will need in actual deployment.5. DeployIf you have your migration plan in place from step 3, now you execute according your plan, ensuring your migrate data in the right order to ensure minimal downtime. These steps can be very intimidating, many people in IT find it hard to justify the migration costs (particularly if you need to pay for some services), but taking a systematic approach to it and carefully calculating your ROI including these extra costs will often make it worth the effort.


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