![background image](http://html.mh-extra.com/html/promise-technology/vess-a3340d/vess-a3340d_quick-start-manual_1617254017.webp)
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umber
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riVes
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equired
The table below shows the number of drives required for each RAID level
Level
Number of drives
Level
Number of drives
RAID 0
1 or more
RAID 6
4 to 32
RAID 1
2 only
RAID 10
4 or more*
RAID 1E
2 to more
RAID 30
6 or more
RAID 3
3 to 32
RAID 50
6 or more
RAID 5
3 to 32
RAID 60
8 or more
*Must be an even number of drives.
d
rIve
s
lot
n
umberIng
You can install any suitable disk drive into any slot in the enclosure. The diagram be
-
low shows how drive slots are numbered on the Vess A3340s/A3340d.
Slot numbering is reflected in the web manager GUI and CLI/CLU user interfaces.
Drive slot numbering for Vess A3340s/A3340d
Promise Technology
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Quick Installation Guide