User manual

Fast Trak TX2200 / TX4200 User Manual
22
Performance
RAID 0 (Stripe) supports the high performance. The storage capacity equals the
number of drives times the capacity of the smallest drive in the logical disk.
Under the Performance setting, FastTrak assigns all available drives to a single
Striped logical disk.
Security
(RAID 1 Mirror, or RAID 10 Mirror/Stripe) creates a mirrored (or fault tolerant)
logical disk for data security. The storage capacity equals one-half the number of
drives times the capacity of the smallest drive in the logical disk.
Under the Security setting, FastTrak assigns two drives to a single Mirrored
logical disk or four drives (TX4200) to be used for a Mirror/Stripe logical disk in
Auto Setup.
Security and Performance (TX4200 only)
RAID 10 (Mirror/Stripe) creates a logical disk with stripe for high performance
plus mirror for fault tolerance and data security. The storage capacity equals the
number of drives times the capacity of the smallest drive in the logical disk. This
option requires four drives and a FastTrak TX4200.
Create Multiple Logical Disks
If you plan to create multiple logical disks, you must manually create logical disks
with the Define Array (3) option from the Main Menu (see page 25).
View/Change Drive Assignments
The View/Change Drive Assignments (2) option in the Main Menu displays
whether each drive is:
• Assigned to a Logical Disk
• A spare (unassigned) drive
• A JBOD (an independent drive)
Spare drives can be used as hot spares for a mirrored logical disk the Spare
drive's capacity is equal to or larger than the smallest drive in the logical disk.
The menu also displays the data transfer mode that relates to speed used by
each drive (U refers to Serial ATA).