Caching Warnings

I do not like to make assumptions, so I thought I'd pose the question

I am receiving the following


Event Type: Warning
Event Source: NtFrs
Event Category: None
Event ID: 13512
Date: 12/05/2008
Time: 9:24:02 PM
User: N/A
Computer: SERVER
Description:
The File Replication Service has detected an enabled disk write cache on the
drive containing the directory c:\windows\ntfrs\jet on the computer
IBM-SERVER2. The File Replication Service might not recover when power to the
drive is interrupted and critical updates are lost.


Event Type: Warning
Event Source: NTDS General
Event Category: Service Control
Event ID: 1539
Date: 12/05/2008
Time: 9:22:29 PM
User: N/A
Computer: SERVER
Description:
The local domain controller could not disable the software-based disk write
cache on the following hard disk.

Hard disk:
c:

Data might be lost during system failures


This logical drive contains two SCSI Mirrored drives, configured with
Write Cache: Enabled (write-back) when protected by battery
Read Cache: Enabled

Is this just a case of disabling the cache gets rid of the message, but
causes a downgrade in performance -- so simply just ignore the warning?

Cliff
Tue May 13 11:49:58 PDT 2008

If you are running raid in software then I'd disable the cache (yes, take
the performance hit.)

If you are using hardware raid, they usually offer an onboard battery on the
card, so it could be your batter is dead and needs to be replaced, or your
card didn't come with one, but can still be purchased. This is for
protecting the cache, and the driver reports properly to windows if the
battery is working.

-Cliff


"Chris" <Chris@discussions.microsoft.com> wrote in message
news:2DAC6CCB-01EC-4404-B4D5-19507713AF57@microsoft.com...
> I do not like to make assumptions, so I thought I'd pose the question
>
> I am receiving the following
>
>
> Event Type: Warning
> Event Source: NtFrs
> Event Category: None
> Event ID: 13512
> Date: 12/05/2008
> Time: 9:24:02 PM
> User: N/A
> Computer: SERVER
> Description:
> The File Replication Service has detected an enabled disk write cache on
> the
> drive containing the directory c:\windows\ntfrs\jet on the computer
> IBM-SERVER2. The File Replication Service might not recover when power to
> the
> drive is interrupted and critical updates are lost.
>
>
> Event Type: Warning
> Event Source: NTDS General
> Event Category: Service Control
> Event ID: 1539
> Date: 12/05/2008
> Time: 9:22:29 PM
> User: N/A
> Computer: SERVER
> Description:
> The local domain controller could not disable the software-based disk
> write
> cache on the following hard disk.
>
> Hard disk:
> c:
>
> Data might be lost during system failures
>
>
> This logical drive contains two SCSI Mirrored drives, configured with
> Write Cache: Enabled (write-back) when protected by battery
> Read Cache: Enabled
>
> Is this just a case of disabling the cache gets rid of the message, but
> causes a downgrade in performance -- so simply just ignore the warning?
>