Thecus N8810U series, Руководство пользователя

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Le v e l D e scr ipt ion
JBOD The st or age volum e is a single HDD wit h no RAI D suppor t . JBOD
r equir es a m inim um of 1 disk.
RAI D 0 Pr ovides dat a st r iping but no r edundancy. I m pr oves per for m ance
but not dat a safet y. RAI D 0 r equir es a m inim um of 2 disks.
RAI D 1 Offer s disk m ir r or ing. Pr ovides t wice t he r ead r at e of a single disk,
but sam e wr it e r at e. RAI D 1 r equir es a m inim um of 2 disks.
RAI D 5 Dat a st r iping and st r ipe err or cor r ect ion infor m at ion pr ovided.
RAI D 5 r equir es a m inim um of 3 disks. RAI D 5 can sust ain one
failed disk.
RAI D 6 Two independent par it y com put at ions m ust be used in or der t o
pr ovide prot ect ion against double disk failur e. Two differ ent
algorit hm s ar e em ployed t o achieve t his pur pose. RAI D 6 r equir es
a m inim um of 4 disks. RAI D 6 can sust ain t wo failed disks.
RAI D 10 RAI D 10 has high r eliabilit y and high per for m ance. RAI D 10 is
im plem ent ed as a st r iped ar r ay w hose segm ent s ar e RAI D 1
ar r ays. I t has t he fault t oler ance of RAI D 1 and t he per for m ance
of RAI D 0. RAI D 10 r equir es 4 disks. RAI D 10 can sust ain t wo
failed disks.
RAI D 50 RAI D 50 com bines t he st r aight block- level st riping of RAI D 0 wit h
t he dist r ibut ed par it y of RAI D 5. This is a RAI D 0 ar r ay st r iped
acr oss RAI D 5 elem ent s. I t r equir es at least 6 dr ives.
RAI D 60 RAI D 60 com bines t he st r aight block- level st riping of RAI D 0 wit h
t he dist r ibut ed double par it y of RAI D 6. That is, a RAI D 0 ar r ay
st r iped acr oss RAI D 6 elem ent s. I t r equir es at least 8 disks.
Edit RAI D
On t he RAI D I n for m a t ion scr een, pr ess t he Edit but t on t o go t o t he RAI D
I n for m a t ion scr een.
Using Edit RAI D , you can select RAI D I D and t he Spar e Disk.
W ARN I N G
I f t he adm in ist r at or im pr oper ly r em oves a har d disk t hat sh ould n ot be
r em oved when RAI D st at us is degr aded, all dat a w ill be lost .
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