Re[2]: [SLUG] Hard Drives

[evilbunny]

Hello Graeme,

 The moral of this story is: backup with RAID is better than RAID without
 backup..

GR RAID is not backup. RAID adds disk redundancy, no more.

Raid can also do mirroring... or any combination of a lot of things,
depending on the number of disks, the way you partition etc...

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Re[2]: [SLUG] Hard Drives

[Graeme Robinson]

On Fri, 14 Feb 2003, evilbunny wrote:

 Hello Graeme,
 
  The moral of this story is: backup with RAID is better than RAID without
  backup..
 
 GR RAID is not backup. RAID adds disk redundancy, no more.
 
 Raid can also do mirroring... or any combination of a lot of things,
 depending on the number of disks, the way you partition etc...

No, all RAID does is provide disk redundancy whether through disk
mirroring or disk spanning volumes. The acronym stands for Redundant
array of inexpensive disks.  Whatever RAID you choose is some form of
disk redundancy.  

Anyway the point is that RAID in any shape or form is not backup. This
is a common misconception that's worth taking time to dispell. Backup 
should be considered quite separately from RAID.

-=-=-==-=-=--=-=-=-=-=-=-=-=-=-=-=-=
Graeme Robinson - Graenet consulting
www.graenet.com - internet solutions
-=-=-=-=-=-=-=-=-=-=-==---=-=--=-=-=

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