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Auto Rebuild. Determines whether the Auto Rebuild policy is enabled or disabled. When disabled, degraded units can only be rebuilt with designated spares. When enabled, the controller firmware will automatically attempt to rebuild a degraded unit if there is no spare, using either an available drive or a failed drive. (See Setting the Auto Rebuild Policy.)
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Auto-Carving. Determines whether the auto-carving policy is enabled or disabled. When it is enabled, any unit larger than a specified size (known as the carve size) is broken into multiple volumes that can be addressed by the operating system as separate volumes. The default carve size is 2 TB. (See Using Auto-Carving for Multi LUN Support.)
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Carve Size. Sets the size for dividing up units into volumes when Auto-Carving is enabled. This setting can be between 1024 GB and 2048 GB. (See Setting the Size of Volumes Created with Auto-Carving.)
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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. This policy does not apply to drives attached to an expander. These policies can only be set using 3BM or the CLI.
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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.
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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.
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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 3ware SAS/SATA RAID Controller CLI Guide.
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