Working with software RAID in Linux.

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This post assumes that you've worked enough with Linux to know about the existence of software RAID in the Linux v2.6 kernel series, though not necessarily much about it.

If you're not familiar with it, RAID (Redundant Array of Inexpensive Disks) is a set of techniques that replicate data across multiple hard drives on the assumption that, at some point, a drive is going to fail. If the data can be found in some form on another drive, the data is still available. Otherwise you're out of luck unless you made backups, and if you're really unfortunate, your machine …

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