Asus PIKE II 3108-8i 240PD User Guide - Page 30

Disk cache policy, Enable, Disable, Unchanged, Emulation, Default, Forced., Initialize

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Page 30 highlights

Disk cache policy - Select a cache setting for this virtual drive: Enable - Enable the drive cache. Disable - Disable the drive cache. Unchanged - Updating the drive cache policy to Unchanged may enable / disable the drive cache based on the WCE (Write Cache Policy) bit of the save mode page of the drive. Emulation - Lets you to set the emulation type on a virtual drive to default or none. The force option forces the emulation to be set on a controller even when MFC settings do not support it. The possible options are Default, Disabled, or Forced. Initialize - Select to initialize the virtual drive. Initialization prepares the storage medium for use. Fast initialization will be performed on the virtual drive. Configure Hot Spare - Select to configure physical drives as hot spares for the newly created virtual drive. This option is enabled only if there are additional drives and if they are eligible to be configured as hot spares. This option is not applicable for RAID 0. If you select this option and after the Virtual drive is created, a dialog appears. The dialog asks you to choose the physical drives that you want to configure as hot spares. Provide shared access - Select this option if you want the virtual drive to be shared between the servers in a cluster. This option appears only if the controller supports High Availability DAS. 2-16 Chapter 2: RAID Configuration

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2-16
Chapter 2: RAID Configuration
Disk cache policy
– Select a cache setting for this virtual drive:
Enable
– Enable the drive cache.
Disable
– Disable the drive cache.
Unchanged
– Updating the drive cache policy to
Unchanged
may enable /
disable the drive cache based on the WCE (Write Cache Policy) bit of the
save mode page of the drive.
Emulation
– Lets you to set the emulation type on a virtual drive to default or
none. The force option forces the emulation to be set on a controller even when
MFC settings do not support it. The possible options are
Default, Disabled,
or
Forced.
Initialize
– Select to initialize the virtual drive. Initialization prepares the storage
medium for use. Fast initialization will be performed on the virtual drive.
Configure Hot Spare –
Select to configure physical drives as hot spares for the
newly created virtual drive.
This option is enabled only if there are additional drives and if they are eligible to
be configured as hot spares. This option is not applicable for RAID 0. If you select
this option and after the Virtual drive is created, a dialog appears. The dialog asks
you to choose the physical drives that you want to configure as hot spares.
Provide shared access
– Select this option if you want the virtual drive to be
shared between the servers in a cluster. This option appears only if the controller
supports High Availability DAS.