LSI 3ware SAS 9750-8i Betriebsanweisung PDF herunterladen (Seite 96)

Configuring Your Controller

84 3ware SATA+SAS RAID Controller Card Software User Guide, Version 10.0

then the carve size will be applied to the remainder of the unit. For more

information, see “Boot volume size” on page 93.)

Each volume can be treated as an individual disk with its own file system. The

default carve size is 2 TB; you can change this to a setting in the range of

1TB to 32 TB (1024 GB to 32768 GB). 3ware firmware supports a maximum

of 32 volumes per controller, up to a total of 32TB.

If you are migrating a unit to a size that is larger than the carve size and auto-

carving is on, multiple volumes will be created.

You must turn on the Auto-Carving policy before creating the unit. Units

created with this policy turned off will not be affected by a change to the

policy. If the policy is turned off later, units that have been carved into

volumes will retain their individual volumes; existing data is not affected.

To use auto-carving

1 Enable the auto-carving feature. You can do so using 3DM or 3BM.

In 3DM 2, enable Auto-Carving at the bottom of the

Management >

Controller Settings

page.

In 3BM, you enable Auto-Carving on the

Settings > Controller Policies

page.

Note: CLI now provides the ability to specify variable sizes for the first 4 volumes of

a unit when autocarving. This is done while creating a unit with the

/cx add

type

command attribute [v0=n|vol=a:b:c:d]. See the 3ware SATA+SAS

RAID Controller Card CLI Guide, Version 10.0.

Note: Carving a unit into multiple volumes can have an impact on performance.

Note: Operating systems without the 2TB limitation include Linux 2.6, Windows XP

(64bit), Windows 2003 (32-bit and 64-bit with SP1 or newer), Windows 2008 (32-bit

and 64-bit) and Windows Vista.

Even though the Linux 2.6 kernel supports partitions larger than 2 TB, the installers

for SUSE and Redhat do not. Turn auto-carving on to prevent the installation from

failing.

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LSI 3ware SAS 9750-8i Betriebsanweisung Seite 96

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