[ale] Sata disk mode query.

Greg Freemyer greg.freemyer at gmail.com
Thu Jan 20 11:16:46 EST 2011


Intel developed the AHCI spec and I don't recall anything but good
things about their various implementations (ie. chips).

Still can google a bit, but if it were me I just go with it.

Greg

On Thu, Jan 20, 2011 at 10:51 AM, Jack Schneider <puck at dp-indexing.com> wrote:
>
> Hi, Greg
> M/B is a X7DAL-E  Supermicro with a Intel Chipset. I don't have
> access to the HWinfo file right now..  So can't get the disk drive
> chips set #,
> Thanks for the reply!
> Jack
>
> On Thu, 20 Jan 2011 10:31:41 -0500
> Greg Freemyer <greg.freemyer at gmail.com> wrote:
>
>> If your drives are currently /dev/hda, etc. they will change
>> to /dev/sda, etc.
>>
>> Some people really don't like that because they have configs setup
>> that depend on the name.
>>
>> Also /dev/sdX naming is dynamic.  So if you are the type to plug in
>> drives, etc. from time to time, you need to make sure you don't depend
>> on your drives being any specific /dev/sdX name.  You can use
>> mount-by-label etc. to do that, but I admit to finding it more trouble
>> than its worth and still use /dev/sdX.  I know enough to make it work
>> in general.
>>
>> The good news is that both mdraid and LVM tag the disks/partitions
>> with identifiers, so they don't depend on the /dev/sdX name.
>>
>> Also, AHCI is effectively a controller spec.
>>
>> Some implementations are great, others not so great.
>>
>> What chipset is it?  Once you know, google for issues.
>>
>> == note
>> If the MB is from the last 2 or so years, I'd expect good support.
>>
>> Some of the older stuff is more problematic.
>>
>> Greg
>>
>> On Thu, Jan 20, 2011 at 10:13 AM, Jack Schneider
>> <puck at dp-indexing.com> wrote:
>> > Hi, Alers
>> > With the pending release of Debian Squeeze I am considering a
>> > complete O/S reinstall, tons of cruft. My question is: Should I
>> > change my MoBo disk setup from Pata to Sata AHCI?   I have seen
>> > both pros and cons on google and Wikipedia.  I have 4 Baracuda 7200
>> > rpm sata drives, raid1 and LVM2 used to run VM's. I know there are
>> > disk savvy folks here with useful opinions and experiences... TIA
>> >
>> > Long Lurker
>> > Jack
>> > _______________________________________________
>> > Ale mailing list
>> > Ale at ale.org
>> > http://mail.ale.org/mailman/listinfo/ale
>> > See JOBS, ANNOUNCE and SCHOOLS lists at
>> > http://mail.ale.org/mailman/listinfo
>> >
>>
>>
>>
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>



-- 
Greg Freemyer
Head of EDD Tape Extraction and Processing team
Litigation Triage Solutions Specialist
http://www.linkedin.com/in/gregfreemyer
CNN/TruTV Aired Forensic Imaging Demo -
   http://insession.blogs.cnn.com/2010/03/23/how-computer-evidence-gets-retrieved/

The Norcross Group
The Intersection of Evidence & Technology
http://www.norcrossgroup.com



More information about the Ale mailing list