LSI 3ware SAS 9750-8i Guia do Utilizador descarregar pdf (Página 92)

Configuring Your Controller

80 3ware SATA+SAS RAID Controller Card Software User Guide, Version 10.0

• Carve Size. (Referred to as Carving Factor in 3BM) Sets the size for

dividing up units into volumes when Auto-Carving is enabled and a unit

is created. This setting can be between 1024 GB and 32768 GB.

Changing this setting has no effect on existing units.

•

Staggered spin-up. Spin-up allows drives to be powered-up into the

Standby power management state to minimize in-rush current at power-up

and to allow the controller to sequence the spin-up of drives. Compatible

drives are sent a spin up command based on the settings specified with the

policies

Number of drives per spin-up and Delay between spin-up

settings

. These policies can only be set using 3BM or the CLI.

Note: This policy does not apply to drives attached to an expander.

•

Number of drives per spin-up. Number of drives that will spin up at

the same time when the controller is powered up, if staggered spin-up

is enabled. From 1 to x, depending on the number of ports on the

controller.

•

Delay between spin-up. The delay time (in seconds) between drive

groups that spin up at one time on this particular controller, if

staggered spin-up is enabled.

•

Delay before spin-up. (3BM only) The delay time (in seconds)

before the first set of drives on this particular controller will start to

spin-up.

• Export unconfigured disks (JBOD). This setting is not applicable for

9750 controllers.

•

Staggered method. Indicates whether the type of staggered spin-up is

ATA-6 or SATA OOB (Out Of Band). By default, when Staggered Spin-

up is enabled, the OOB scheme is used. If your drives support the SATA

ATA-6 method, select that method in 3BM. There is no electronic method

for the controller to know if a drive supports this method, so it must be set

manually. For staggering to work properly, the drives must support the

selected method. This policy does not apply to drives that are attached to

an expander. This policy can only be set and only shows in 3BM.

•

Auto-Verify Preferred Date and Time. Sets the default date and time for

auto-verify to run, when the Verify Schedule follows the weekly "Basic"

schedule and Auto-Verify is enabled for specific units. Note that in

3DM 2, the Basic and Advanced Auto Verify schedule is set on the

Schedule page. Enabling or Disabling Auto Verify is a Unit Policy and is

It is possible to enable or disable automatic detection of drives on the

controller’s ports for staggered spinup during hot swapping of drives. This

feature is only available in the CLI using the autodetect=on|off command.

For more information, see/cx set autodetect=on|off disk=<p:-

p>|all3ware SATA+SAS RAID Controller Card CLI Guide, Version 10.0.

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LSI 3ware SAS 9750-8i Guia do Utilizador Página 92

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