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Advancing Storage and Information Technology
 
 

RAID 1 / RAID Level 1

A placement policy where each logical block of data is stored on more than one independent storage device.

This is commonly referred to as mirroring. Data stored using this form of RAID is able to survive a single storage device failure without data loss.

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  • Storage System

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RAID01

A data placement policy that creates a mirrored device (RAID 1) over a set of striped devices (RAID 0).

This is commonly referred to as RAID 0+1 or RAID 0/1. Data stored using this form of RAID is able to survive a single RAID 0 data set failure without data loss.

Context Categories:
  • Storage System

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