3Ware 3W-6800 - Escalade 6800 RAID Controller, Руководство пользователя

Страница: 42 / 174

3ware Escalade Storage Switch User Guide
32 www.3ware.com
a single disk, to avoid throughput loss due to corrections for the
parity drive. RAID 5 arrays requires a minimum of three
drives. Configurations consist of 3, 4, 5, 6, 7 or 8 drives.
Figure 12. BIOS Initialization Screen for RAID 5
Select striping size
For a RAID 1 or RAID 10 configuration select the striping size.
Sizes of 64K, 128K, 256K, 512K or 1M are selected using the
Stripe Size box shown in Figure 10. RAID 5 only allows a 64K
stripe size.
Select write cache properties
The Escalade Storage Switch gives you a choice of disabling the
write cache for your disk arrays. Write cache is used to store data
locally on the drive before it is written to the disk, allowing the
computer to continue with its next task. Enabling the write cache
results in the most efficient access times for your computer system.
Restore Initial Values
Previous/Next
Toggle Hot Spare
Cancel
Select/Deselect
Done
Alt-F1
F6
Enter
F8
$
Esc
Help
3 w a r e D i s k A r r a y C o n f i g u r a t i o n
Create Array Delete Array Maintain Array Rebuild Array
Available Drives:
Port 0 - QUANTUM FIREBALLP KX27.3 512 M
Disk Arrays:
Array Unit 1 - 3 drive 64K RAID 5 1.0GB
Port 1 - IBM-DTLA-387815 512 M
Port 2 - IBM-DTLA-387815 512 M
Port 3 - IBM-DTLA-387815 512 M
Init RAID5 Array Unit 1
Percentage done : 25 %