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Peter Velikin

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Top Stories by Peter Velikin

The SSD caching market is on fire.  This week, EMC announced VFCache, IBM announced XIV Gen3 SSD Caching, Flashsoft was acquired by Sandisk, and many storage vendors acknowledged that flash features in their long-term roadmap.  Activity has certainly picked up. It is interesting to explore what is causing the rapid development of the SSD caching market. Here are my 4 key takeaways: 1. Flash has arrived Reliability: Flash technology (particularly in the SSD form factor) has matured enough to be used in the 24/7 enterprise environments. Through a combination of more reliable SSD and better management of data on SSD, suppliers have managed to create solutions that, while expensive, provide the bullet-proof reliability required in enterprise environments. Real results: Businesses have experienced the benefits of higher SSD IOPS in production environments. Higher SSD perf... (more)

Using RAM in SSD Caching

Dr Dog Says “You Need More RAM In Your Cache Diet” Well, I am not really a doctor, but I play one on TV. You may remember (if you are old enough) that line from the 1986 Vicks-44 TV commercial.  Anyway, while I may not be a real doctor, I can certainly tell you about why you need more RAM in you cache diet. “I Think My Cache Diet Is Great” If you were happily running your IT system but needed some additional performance, chances are you turned to some kind of SSD caching solution to improve performance at a lower cost point than adding more servers or storage. You went on what I a... (more)

Dogfooding at VeloBit: How We Use Virtualization

I wear many hats at VeloBit, one of which is to manage the production and development lab environment for our engineering team. This means that I face the same basic challenge that all sysadmins face: growing capacity requirements and a set budget to work with. Luckily, I have an ace up my sleeve: VeloBit HyperCache, which lets me do more with less. This, combined with KVM-based virtualization, allows us to keep running without having to deal with server-sprawl in our labs. How we use Virtualization at VeloBit We make extensive use of virtualization for the IT infrastructure at V... (more)

4 Reasons SSDs Are Raging In The IT Market Today

IT Dog coming at you today to talk about SSD devices and why they are not just for breakfast anymore.  Well, SSDs were never really good for breakfast but they are ideal for replacing traditional storage HDDs in many applications.  Let’s start with some characteristics that make SSDs unique compared to standard HDDs. 4 Reasons To Be Stoked About SSDs ●      SSDs have higher data transfer rate: higher transfer rate and lower data seek time results in lower latency which means your killer application runs faster.  In contrast, spinning disks are slow and play hide-and-seek wi... (more)

Don’t Let Your Storage Array Control You

IT Dog getting down and dirty today because that’s what it is going to take to deal with the dirty world of “vendor lock-in.”  There is really no way to dress this up and make it smell nice because it just stinks and although I would roll in something this nasty down at the dog park, I wouldn’t want you to have to live with the smell. I read an excellent article by Chris Mellor at The Register discussing the need to develop a standard for the server flash-storage array interface and it really got me thinking about the vendor lock in issue. “What is EMC... (more)