Query disk write-caching settings
Mikkel L. Ellertson
mikkel at infinity-ltd.com
Thu Jan 19 16:59:55 UTC 2006
Irving, Dave wrote:
> Hi,
>
> Could anyone tell me if it is possible to query the current disk-write
> cache settings being employed?
> Im getting some suspiciously fast file synching going on and Im
> wondering whether this is the "cause" :o)
>
> Many thanks,
>
> Dave
>
hdparm -I /dev/<device>
Look sot the section:
Commands/features:
Enabled Supported:
* READ BUFFER cmd
* WRITE BUFFER cmd
* Host Protected Area feature set
* Look-ahead
* Write cache
* Power Management feature set
Security Mode feature set
* SMART feature set
* Device Configuration Overlay feature set
Automatic Acoustic Management feature set
SET MAX security extension
* DOWNLOAD MICROCODE cmd
* SMART self-test
* SMART error logging
As you can see, the write cache is enabled for this drive.
Mikkel
--
Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!
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