Areca ARC-1882LP User Manual download pdf (Page 130)

WEB BROWSER-BASED CONFIGURATION

130

Note:

RAID level 3 can’t modify the cache strip size.

• 4K Block

It change the sector size from default 512 bytes to 4k bytes. the

maximum volume capacity up to 16TB. This option works under

Windows platform only. And it can not be converted to “Dynamic

Disk”, because 4k sector size is not a standard format.

For more details, please download Over2TB manual from

http://www.areca.com.tw/support/main.htm

• Initialization Mode

This option is used to dene “Background Initialization”, “Fore-

ground Initialization” or “No Init (To Rescue Volume)”. When

“Background Initialization”, the initialization proceeds as a

background task, the volume set is fully accessible for system

reads and writes. The operating system can instantly access to

the newly created arrays without requiring a reboot and wait-

ing the initialization complete. When “Foreground Initialization”,

the initialization proceeds must be completed before the volume

set ready for system accesses. There is no initialization happed

when you select “No Init” option. “No Init“ is for customer to

rescue volume without losing data in the disk.

• Stripe Size

This parameter sets the size of the stripe written to each disk

in a RAID 0, 1, 10, 5, 6, 50 or 60 logical drive. You can set the

stripe size to 4 KB, 8 KB, 16 KB, 32 KB, 64 KB, or 128 KB. A

larger stripe size produces better read performance, especially

if your computer does mostly sequential reads. However, if you

are sure that your computer does random reads more often,

select a smaller stripe size.

• Cache Mode

The 6Gb/s SAS RAID controller supports “Write Through” and

“Write Back” cache.

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Areca ARC-1882LP User Manual Page 130