Site to Site Replication: How It Works

We recently added a big feature to our storage system: site to site replication. An earlier post gave an overview of the feature, SiteProtect — what it’s for, why it’s important, and how it’s used. This post is a followup…

7,418 total views, 4 views today

Measuring for Change

How do we prepare for change in our IT infrastructure? In my previous article I discussed how IT professionals must constantly be prepared to change what works for what will work better. There is no avoiding progress. You can only…

8,009 total views, no views today

The New Data Services

For as long as we’ve had enterprise storage, products have defined themselves as providing a combination of two things: data reliability and data services. Reliability — and I’m going to wind up some storage greybeards by imprecisely using that word…

5,917 total views, 6 views today

Same old thinking equals same results

Like many folks in IT, when I first started out in this business, I was on the help desk. It was back then that I learned the fundamental rule of surviving in this profession: What makes you money today will…

9,730 total views, 1 views today

Site to Site Replication for storage

Here at Coho, our primary focus is on protecting your data  and keeping it available in the face of the unexpected.  We protect data from local failures such as hardware outages, media corruption, network and node loss — just to mention…

9,114 total views, 3 views today

Why your old SAN doesn't scale

This post also appeared as an article in InfoWorld. The speed of flash storage devices has changed how applications should access data and heralded the end of old storage Thanks to virtualization, the efficiency and flexibility of the server side…

5,593 total views, 2 views today

A Web Scale Case Study: Facebook as a File System

This week at OSDI (the research conference on Operating System Design and Implementation), Facebook presented the latest in a series of papers that they have written over recent years that document the evolution of their storage system. Given the enormous…

25,620 total views, 3 views today

How to benchmark your scale-out storage

Why even bother benchmarking your storage? The first step in determining what kind of benchmark software that should be used has more to do with understanding Why you are doing a benchmark and what you want out of it. There…

7,119 total views, 1 views today

Engineering for Change

There’s this Spoon song that I really like, called “The Underdog.”  It’s a simple, catchy tune, and, to my listening at least, it talks about the challenges of a small independent band struggling with the realities of working with the…

6,189 total views, 2 views today