Re: [PATCH] hdparm.mod - get/set ATA disk parameters

[Christian Franke <Christian.Franke@t-online.de>]

Robert Millan wrote:
> On Sat, Feb 21, 2009 at 07:00:06PM +0100, Christian Franke wrote:
>   
>>> Very interesting.  Do you think any of these features could be useful as a
>>> default option in grub-mkconfig?
>>>
>>>   
>>>       
>> At least the --health check and --security-freeze are IMO recommended  
>> for each disk. Both is also done by a typical PC BIOS. AAM and standby  
>> settings are more user specific. The problem is that this relies on  
>> native ATA support which is now only available for controllers supported  
>> by ata.mod.
>>
>> At least for the boot disk, such hdparm calls could be added by e.g.  
>> extending 'prepare_grub_to_access_device'.
>>     
>
> But if the firmware already did, wouldn't this be a waste of boot time?
>
>   

Yes, it would. Most BIOS perform both health check and security freeze, 
but some don't. For coreboot, it is not a waste of boot time.

So if this is added to grub-mkconfig, it should be configurable by some 
variable.

-- 
Christian Franke