Re: [Hdaps-devel] Re: Updating hard disk firmware & parking harddisk
From: Lenz Grimmer
Date: Wed Jul 13 2005 - 05:24:20 EST
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Jan Engelhardt wrote:
> Head parking while the system running is almost useless, since sooner or
> later, someone's going to write/read something.
Correct, that's why we're discussing to freeze the request queue as well.
> If you want head parking at shutdown, I suggest using hdparm -y. This puts the
> drive to sleep, which includes spindle spindown and, included, appropriate
> head parking.
But it suffers from the same fate - as soon as the disk receives a new
request, it will spin up again. So there is no gain, except that just
parking the head without spinning down the spindle can be performed much
faster.
Bye,
LenZ
- --
- ------------------------------------------------------------------
Lenz Grimmer <lenz@xxxxxxxxxxx> -o)
[ICQ: 160767607 | Jabber: LenZGr@xxxxxxxxxx] /\\
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
iD8DBQFC1OseSVDhKrJykfIRAnk3AJ9EqLIBprtaYikZCQaRdIpPOrOWiACeMXOC
pwjn2afI737DDzqOKDaEUCA=
=JtxS
-----END PGP SIGNATURE-----
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/