Is Write back cache enabled on physical disks of Perc 6/i ?

[Avleen Vig]

On Thu, Mar 26, 2009 at 5:26 PM, Dushyanth <dushyanth at gmail.com> wrote:
> Controller PERC 5/i Adapter (Slot 3)
> ID                  : 0
> Status              : Ok
> Name                : RAID1
> State               : Ready
> Progress            : Not Applicable
> Layout              : RAID-1
> Size                : 465.25 GB (499558383616 bytes)
> Device Name         : /dev/sda
> Type                : SATA
> Read Policy         : No Read Ahead
> Write Policy        : Write Back
> Cache Policy        : Not Applicable
> Stripe Element Size : 64 KB
> Disk Cache Policy   : Enabled
> ^^^^

This is interesting.. my server (which seems to have poor performance
with the disks) says this is disabled. I'd quite like to enable it.
Any idea how I could do that?