Part 1 - RAID Level Configuration
A disk array controller (often referred as RAID controller) is required to implement RAID functions. There are two options, by using operating system (software) or a dedicated hardware (integrated chip/expansion card) to manage the data flow to the disk arrays.
Showing posts with label Hardware. Show all posts
Showing posts with label Hardware. Show all posts
RAID Level Configuration
What would you do when the hard drive failed?
When I was asked the question, the first thing come to my mind intuitively, isto replace that hard drive the database / system still up? Before replacing the hard drive, or even when first managing the server, it is important to know its RAID configuration.
RAID stands for Redundant Array of Independent Disks. It is a storage technology to combines at least two hard drives into a logical unit to increase IO performance or/and to improve data reliability. Three main concepts are used to reach this goal,
When I was asked the question, the first thing come to my mind intuitively, is
RAID stands for Redundant Array of Independent Disks. It is a storage technology to combines at least two hard drives into a logical unit to increase IO performance or/and to improve data reliability. Three main concepts are used to reach this goal,
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