Thecus N8810U series, Руководство пользователя

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and t r ansfer s dat a t o a special r eser ved ar ea ( spar e ar ea) .
This pr ocess is also known as r em apping and " r eallocat ed"
sect or s ar e called r em aps. This is w hy, on a m oder n har d disks,
you cannot see " bad blocks" w hile t est ing t he sur face - all bad
blocks ar e hidden in r eallocat ed sect or s. However , t he m or e
sect or s t hat ar e r eallocat ed, t he m or e a decr ease ( up t o 10% or
m or e) can be not iced in disk r ead/ wr it e speeds.
Cur r ent Pending
Sect or Cur r ent count of unst able sect or s ( wait ing for r em apping) . The
r aw value of t his at t r ibut e indicat es t he t ot al num ber of sect or s
wait ing for r em apping. Lat er , when som e of t hese sect or s ar e
r ead successfully, t he value is decr eased. I f er r or s st ill occur
when r eading sect or s, t he har d dr ive will t r y t o r est ore t he dat a,
t r ansfer it t o t he r eser ved disk ar ea ( spar e ar ea) , and m ar k t his
sect or as r em apped. I f t his at t r ibut e value r em ains at zer o, it
indicat es t hat t he qualit y of t he cor r esponding sur face ar ea is low.
Test Type Set shor t or long t im e t o t est .
Test Result Result of t he t est .
Test Tim e Tot al t im e of t he t est .
Ba d Block Sca n
On t he D isk I n for m a t ion scr een, select a disk t hen click on “ Det ect Bad Block” t o
perform bad block scan of t h e associat ed disk. The result is only for r eference and
t he sy st em w ill not t ake any act ion fr om it s r esult s.
The bad block scan can be t erm inat ed by clicking on “ St op Det ect Bad Block” .
For Thecus pr oduct ( N8 900/ N12000/ N16000 series) w hich support JBOD device,
t he at t ached JBOD device and his associat ed disks w ill also list under t he D isk
I n for m a t ion page. Please see below for a scr een shot of a N8900 w it h a Thecus
D16000 at t ached and inst alled disks list on.
N OTE
I f t he Reallocat ed Sect or Count > 32 or t he Cur r ent Pendin g Sect or of a har d
disk dr ive > 0 , t he st at us of t he disk w ill show “ War n ing” . Th is war n ing is on ly
used t o aler t t he syst em adm in ist r at or t hat t her e ar e bad sect or s on t he disk,
and t hey shou ld r eplace t hose disk s as soon as possible.
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