Jbod; Other Logical Drive Features; Stripe Block Size; Initialization - Promise Technology FastTrak TX4310 User Manual

• Imaging applications
• Database servers
• General fileserver

JBOD

Enables you to manage a large number
of disk drives from a single controller
The failure of one drive has no effect
upon the data in other disk drives
Recommended Applications for JBOD
• Any application requiring multiple disk drives but where read/write speed or
fault-tolerance are not important
• Applications were low-cost operation critical

Other Logical Drive Features

Stripe Block Size

Stripe Block size is set to 16 KB for the FastTrak TX4310 RAID controller card.

Initialization

Fast Initialization erases the Master Boot Record (MBR) in all of the selected disk
drives. Use this function when one or more disk drives has been used in a
previous logical drive. This function is available in the FastBuild utility and in
WebPAM.
Full Initialization erases all the data on the selected disk drives, including the
MBR. Use this function when one or more disk drives has been used in a
previous logical drive and you want to remove all data stored on the drive. This
function is available in WebPAM.

Hot Spare Drive

Any extra drive that is not assigned to an array is designated Free in the View
Drive Assignments screen (see below). In order for a free drive to serve as a hot
spare drive, you must designate the free drive as a spare using the WebPAM
software.
Advantages Disadvantages
An alternative to RAID without any
RAID advantages
Should not be used in mission critical
environments
103
Chapter 6: Technology