Product manual

InstAllIng pHysICAl drIves
In the event of a hard disk drive failure or other problems that periodically occur, it will be necessary to remove
a problem hard drive and replace it with a new one. Follow the instructions here to remove a failed disk drive
and install a new one.
The VTrak A-Class Series shared storage server supports 3.5-inch SAS hard disk drives. For a list of supported
physical drives, download the latest compatibility list from the PROMISE support website.
number OF driVeS reQuired
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 or more
RAID 30
6 or more
RAID 3
3 to 32
RAID 50
6 or more
RAID 5
3 to 32
*Must be an even number of drives.
AppendIx A
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VTrak A-Class Product Manual Promise Technologies