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File Servers - The Business Case for High Availability

 

Introduction

You have probably heard of high availability transaction processing servers. You have most likely read about the sophisticated systems used by the airlines to sell tickets online. They have to be non-stop because downtime translates to lost orders and revenue. In this article I will discuss the economics of using non-stop technologies for everyday applications. I will show that even ordinary file sharing applications can benefit from inexpensive Linux based Pacemaker clustering technology.

 

Availability Goal

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Please Document the Shop: On the importance of good systems documentation

We have all heard this: You need to document the computer infrastructure. You never know when you might be “hit by a bus”. We hear this and think many frightening things, reassure ourselves that it will never happen and then put the request on the back burner. In this article I will expand on the phrase “hit by a bus” and then look at the consequences.