No Read Ahead
Read Ahead
Edit Policy: Write Cache — Change the write cache policy to one of the following options:
Write Through
Write Back
Force Write Back
Edit Policy: Disk Cache — Change the disk cache policy to one of the following options:
Default
Enabled
Disabled
Initialize: Fast — Updates the metadata on the physical disks so that all the disk space is available
for future write operations. The initialize can be completed quickly because existing information
on the physical disks is not erased, although future write operations overwrites any information
that remains on the physical disks.
Initialize: Full — All existing data and file systems are erased.
Check Consistency
Encrypt Virtual Disk — Encrypts the virtual disk drive. If the controller is encryption capable, you
can create, change or delete the security keys.
Manage Dedicated Hotspares — Assign or unassign a physical disk as a dedicated hotspare. Only
the valid dedicated hotspares are displayed. If there are no valid dedicated hotspares, then this
section does not appear in the drop-down menu.
For more information about these options, see the iDRAC Online Help.
4. From the Apply Operation Mode drop-down menu, select when you want to apply the settings.
5. Click Apply.
Based on the selected operation mode, the settings are applied.

Managing Virtual Disks Using RACADM

Use the following RACADM commands to manage virtual disks:
To delete virtual disk: racadm storage deletevd:<VD FQDD>
To initialize virtual disk: racadm storage init:<VD FQDD> -speed {fast|full}
To check consistency of virtual disks: racadm storage ccheck:<vdisk fqdd>
To encrypt virtual disks: racadm storage encryptvd:<VD FQDD>
To assign or unassign dedicated hot spares: racadm storage hotspare:<Physical Disk FQDD>
-assign yes -type dhs -vdkey: <FQDD of VD>
To cancel the check consistency: racadm storage cancelcheck: <vdisks fqdd>
Managing Controllers
You can perform the following for Controllers:
Configure controller properties
Import or auto import foreign configuration
Clear foreign configuration
Reset controller configuration
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