LSI 3ware SAS 9750-8i Guía de usuario descargar pdf (Pagina 105)

Configuring a New Unit

www.lsi.com/channel/products 93

Name of the unit (optional)

Units can be given names for easier identification. These names will be

visible in 3DM, CLI, and 3BM.

Type of configuration (RAID Level)

Available configuration types include RAID 0, RAID 1, RAID 5, RAID 6,

RAID 10, RAID 50, and Single Disk. For information about the different

RAID levels, see “Understanding RAID Concepts and Levels” on page 5

Stripe size, if appropriate for the RAID level

Striping size is not applicable for RAID 1, because it is a mirrored array

without striping.

Using the default stripe size of 256KB usually gives you the best performance

for mixed I/Os. If your application has some specific I/O pattern (purely

sequential or purely random), you might want to experiment with a smaller or

larger stripe size.

Boot volume size

When you create a unit through 3BM or CLI, you can create a special volume

to function as the boot volume. This is useful if you will be installing an

operating system onto the unit, and want it to be installed in one volume and

have a separate volume for data.

This is an optional feature. You do not have to create a boot volume if you

plan to install the operating system on the unit.

If you are creating a very large unit and have enabled the Auto-Carving

policy, the boot volume will be created in addition to any volumes created

through auto-carving. For more information about auto-carving, see “Using

Auto-Carving for Multi LUN Support” on page 83.

This feature can only be specified in 3BM and CLI.

Initialization Method

In 3BM, you can choose to do a foreground (default) or background

initialization of the unit. 3DM and CLI can only use background initialization

when creating a unit.

Warning: Creating a unit writes the DCB and makes any earlier data on the drives

inaccessible.

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LSI 3ware SAS 9750-8i Guía de usuario Pagina 105

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