Category: Backup
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Backup VS Archive: You may need both!
As I quickly said in a previous article, backups and archives are different and you may need both. Let me explain. Purpose of Backup: Be able to do a recovery The main purpose of a backup is to be able to make a recovery if things go wrong with your main storage. Disks can become…
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3-2-1 backup! Rule explained in a nutshell.
Have you ever heard of 3-2-1 backup rule? Let me explain it in a nutshell. This rule is recommended by US-CERT, it is quite easy to understand and quite easy to follow. However don’t get me wrong, you need really more than this rule to get your backup done the right way. 3 copies One…
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RAID is not a substitute for backup
Most of you have heard sooner or later about RAID. The acronym means “redundant array of inexpensive disks”, or “redundant array of independent disks”. Wikipedia has a rather good quality article on RAID. The idea behind it is that physical hard drives fail, and when a single drive fails, RAID typically provides a solution to…