[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <47352540.2060104@garzik.org>
Date: Fri, 09 Nov 2007 22:28:00 -0500
From: Jeff Garzik <jeff@...zik.org>
To: "Maciej W. Rozycki" <macro@...ux-mips.org>
CC: Alberto Gonzalez <info@...bu.es>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Laptop's HDD
Maciej W. Rozycki wrote:
> On Sun, 4 Nov 2007, Alberto Gonzalez wrote:
>
>> The problem comes from a very high rate of load/unload cycles of the heads
>> that reaches the 300.000-600.000 limit in 2-3 years (with smartmontools it
>> can checked it with "smartctl -A /dev/sda") . There are reports of HDD dying
>> even earlier for this problem [2]
>
> I use:
>
> # hdparm -B 255 /dev/hda
>
> to get rid of the problem with an ATA disk where I do not care that much
> about power consumption. I do not know what the equivalent for a SATA
> disk would be, but chances are it will be easier to track it down with the
> reference above.
Although other power management features exist for SATA, for most hdparm
stuff PATA and SATA are pretty much the same. Same command set, simply
a new bus over which to transmit the commands. A great deal of early
SATA is actually bridged PATA, even.
Jeff
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists