Messages in this thread | | | Date | Thu, 07 Jul 2005 10:41:11 +0200 | From | Lenz Grimmer <> | Subject | Re: Head parking (was: IBM HDAPS things are looking up) |
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Hi,
Jens Axboe wrote:
> ATA7 defines a park maneuvre, I don't know how well supported it is > yet though. You can test with this little app, if it says 'head > parked' it works. If not, it has just idled the drive.
Great! Thanks for digging this up - it works on my T42, using a Fujitsu MHT2080AH drive:
lenz@metis:~/work/ibm_hdaps> sudo ./headpark /dev/hda head parked
Judging from the sound the drive makes, this is the same operation that the windows tool performs.
However, the head does not remain parked for a very long time, especially if there is a lot of disk activity going on (I tested it by running a "find /" in parallel). The head parks, but leaves the park position immediately afterwards again. I guess now we need to find a way to "nail" the head into the parking position for some time - otherwise it may already be on its way back to the platter before the laptop hits the ground...
Thanks again - this is another helpful bit in getting all the pieces together.
Bye, LenZ - -- - ------------------------------------------------------------------ Lenz Grimmer <lenz@grimmer.com> -o) [ICQ: 160767607 | Jabber: LenZGr@jabber.org] /\\ http://www.lenzg.org/ V_V -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org
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