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3ware Tools for Configuration and Management

www.3ware.com 13

Support for Over 2 Terabytes

Windows 2000, Windows XP (32-bit), Linux 2.4, and FreeBSD 4.x, do not

currently recognize unit capacity in excess of 2 TB.

If the combined capacity of the drives to be connected to a unit exceeds 2

Terabytes (TB), you can enable auto-carving when you configure your units.

Auto-carving divides the available unit capacity into multiple chunks of 2 TB

or smaller that can be addressed by the operating systems as separate

volumes. The carve size is adjustable from 1024 MB to 2048 MB (default)

prior to unit creation.

If a unit over 2 TB was created prior to enabling the auto-carve option, its

capacity visible to the operating system will still be 2TB; no additional

capacity will be registered. To change this, the unit has to be recreated.

For more information, see “Using Auto-Carving for Multi LUN Support” on

page 86.

3ware Tools for Configuration and

Management

3ware software tools let you easily configure the drives attached to your

3ware RAID controller, specifying which drives should be used together as a

RAID unit and the type of RAID configuration you want, and designating hot

spares for use if a drive degrades.

3ware provides the following tools for use in configuring and managing units

attached to the 3ware controller:

• 3BM (3ware BIOS Manager)

3BM is a BIOS level tool for creating, deleting, and maintaining disk

arrays, rebuilding arrays, designating hot spares, and setting controller

policies. 3BM is the tool most frequently used to configure units

immediately after installation of the controller, but can also be used after

installation to maintain the controller and associated drives.

For general information about working with 3BM, seeChapter 5, “3ware

BIOS Manager 2 (3BM 2) Introduction.”

• 3DM 2 (3ware Disk Manager)

3DM is a daemon (under Linux and FreeBSD) and a service (under

Windows) which runs in the background on the controller’s host system,

and can be accessed through a web browser to provide ongoing

monitoring and administration of the controller and associated drives. It

can be used locally (on the system that contains the 9000) or remotely (on

a system connected via a network to the system containing the 9000).

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