[ale] Which large capacity drives are you having the best luck with?

[Richard Faulkner]

An interesting feature.  I may test that on /dev/sda as that is my old
Window$ system drive
that is no longer used under FC12.  Doesn't really matter what I do to
that drive.  (Long story).



-----Original Message-----
From: Greg Freemyer <greg.freemyer at gmail.com>
Reply-to: Atlanta Linux Enthusiasts <ale at ale.org>
To: Atlanta Linux Enthusiasts <ale at ale.org>
Subject: Re: [ale] Which large capacity drives are you having the best
luck with?
Date: Wed, 22 Dec 2010 17:06:43 -0500


Richard,

As a quick test you can just try:

hdparm -B 254 /dev/sda

(ie. the last line of the section for your drive).

The package is just automating calling that at bootup / resume.

For others, note that this effectively disables most of the power
saving options, so you don't want to just do it to all drives.

Greg

On Wed, Dec 22, 2010 at 2:51 PM, Richard Bronosky <Richard at bronosky.com> wrote:
> That's what I thought! 2nd drive from the bottom.
> http://git.kernel.org/?p=linux/kernel/git/tj/storage-fixup.git;a=blob;f=storage-fixup.conf;h=711813339730325cf3ffe4b67af45c83d7f90fbc;hb=refs/heads/master#l213
> I have bought 2 of those ASUS EeePC 1005HA machines and they drive
> sounds like the head retract every 20 seconds when it is not in use.
> Doesn't matter what OS it is booted into. I hope this fixes it. I'm
> CC'ing my Dad as he has one of these. The other is being used by my
> nephew and he boots windows.
>
> On Wed, Dec 22, 2010 at 11:22 AM, Greg Freemyer <greg.freemyer at gmail.com> wrote:
>> On Wed, Dec 22, 2010 at 10:56 AM, Richard Faulkner
>> <rfaulkner at 34thprs.org> wrote:
>> <snip>
>>> Question for Greg...
>>>
>>> I do not have storage-fixup.conf in FC12....neither do I see it available in
>>> package
>>> manager.  Where is a safe source to get it?
>>>
>>
>> The official repo is:
>>
>> http://git.kernel.org/?p=linux/kernel/git/tj/storage-fixup.git
>>
>> And you can look through the list of problem drives by looking at:
>>
>> http://git.kernel.org/?p=linux/kernel/git/tj/storage-fixup.git;a=blob;f=storage-fixup.conf;h=711813339730325cf3ffe4b67af45c83d7f90fbc;hb=refs/heads/master
>>
>> Lots of drives in there, but WDC seems over represented and theirs are
>> the only ones I've seen actually trigger application failure due to
>> failed writes.  (the problem is the drives in this list park the heads
>> excessively and thus can be very slow to respond to i/o activity.  If
>> it takes too long, the kernel can error out the i/o and user space is
>> often not prepared to handle a read or write failure gracefully.)
>>
>> If you have a drive in the list, then with Fedora I can't help.  (I
>> don't know how you would cause storage-fixup to be called during boot
>> and resume under Fedora.)
>>
>> (I'm surprised Fedora doesn't have this packaged.  Suse, Ubuntu, and
>> Arch all do.)
>>
>> Greg
>>
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>
>
>
> --
> .!# RichardBronosky #!.
>
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