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5. Storage Management and Backups > 47. Combine LVM and Software RAID

Combine LVM and Software RAID

Combining the flexibility of LVM with the redundancy of RAID is the right thing for critical file servers.

RAID (Redundant Array of Inexpensive Disks or Redundant Array of Independent Disks, depending on who you ask) is a hardware and/or software mechanism used to improve the performance and maintainability of large amounts of disk storage through some extremely clever mechanisms. As the name suggests, RAID makes a large number of smaller disks (referred to as a RAID array) appear to be one or more large disks as far as the operating system is concerned. RAID was also designed to provide both performance and protection against the failure of any single disk in your system, which it does by providing its own internal volume management interface.


  

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