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The dat a capacit y RAI D 10 Volum e equals t he capacit y of t he sm allest disk
driv e t im es t he num ber of disk driv es, divided by t w o.
I n som e cases, RAI D 10 offers double fault t olerance, depending on w hich disk
driv es fail.
RAI D 10 Volum es on t his unit consist of four disk driv es.
Because all of t he available disk driv es are used for t he RAI D Volum e, y ou
cannot set up a spare driv e wit h RAI D 10.
Ch o o si n g a RA I D Le v e l
There are several issues t o consider w hen choosing t he RAI D lev el. The
following sum m arizes som e advant ages, disadvant ages and applicat ions for
each choice.
RA I D 0
A d v a n t a g e
D i s a d v a n t a g e
I m plem ent s a st r iped disk RAI D
Volum e, t he dat a is br oken down
int o blocks and each block is
wr it t en t o a separat e disk drive
I / O per for m ance is gr eat ly
Not a t r ue RAI D because it is not
fault t olerant
The failur e of j ust one drive will
r esult in all dat a in a RAI D Volum e
Summary of Contents for NVRmini 2
Page 1: ...Th e I n t elligent Su r v eillan ce Solu t ion NVRm in i 2 User Manual Ver 2 0 0 140829 00...
Page 140: ...139...
Page 154: ...153 18 Click the Delet e button 19 Confirm the check dialog...
Page 158: ...157 Refer to the section of Cr eat e a RAI D Volu m e to create a volume for it...
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