Re: Use of WD20EARS with MDADM

[Steven Haigh <netwiz@crc.id.au>]

+1 Insightful.

This is a gem of a tip - so much so that I've archived the text of this as
I KNOW it will come in handy soon.

It may be been semi-off topic, but it is worth its weight in gold!

Thankyou!

On Wed, 21 Apr 2010 21:31:27 +0200, Clinton Lee Taylor
<clintonlee.taylor@gmail.com> wrote:
> Greetings ...
> 
> On 21 April 2010 21:01, Mark Knecht <markknecht@gmail.com> wrote:
>> On Wed, Apr 21, 2010 at 11:40 AM, Tim Small <tim@buttersideup.com>
wrote:
>>> Mark Knecht wrote:
>>>> This machine only gets a few hours of use a day but is generally
>>>> powered up all the time. I don't know why Linux wakes this drive up
>>>> roughly every two minutes, assuming it's Linux and not the drive
>>>> itself or something on the motherboard, but it does.
>>>>
>>>
>>>
>>> This is documented here:
>>>
>>>
https://ata.wiki.kernel.org/index.php/Known_issues#Drives_which_perform_frequent_head_unloads_under_Linux
>>>
>>> If you want to fix it, then wdidle3.exe worked for me.  Search for:
>>>
>>> wdidle3_1_00.zip
>>>
>>>
>>> Tim.
>>>
>>
>> Yeah, that's been reported here before, but how does someone run this
>> Windows program on a remote machine that boots only Linux? Even if it
>> was a DOS executable the machine has no floppy. I presume you are
>> dual-boot with Windows? If so maybe I'll install Windows the next time
>> I visit.
>  Why don't you download FreeDOS boot floppy image.  Add the DOS
> program to the image. Copy image to your boot partition, add an entry
> in your Boot Manager to boot the image using some line syslinux image
> booter.
> 
> On CentOS, install syslinux package using "yum install syslinux"
> Copy memdisk to your boot partition
> 
> From the www.freedos.org web site, download floppy image in
> http://www.freedos.org/freedos/files/ ...
> 
> wget -vb
>
http://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/distributions/1.0/fdboot.img
> 
> Mount the downloaded image file with "mount fdboot.img /mnt/floppy/ -o
> rw,loop"
> 
> Copy DOS program into the floppy image.
> 
> Add to your grub.conf file ...
> 
> title FreeDOS - Boot Image
>     kernel memdisk
>     initrd fdboot.img
> 
> Now reboot your system that does not have a floppy drive off the
> FreeDOS image and run the DOS program to make changes.  The only thing
> I can think of that might be a problem, is that you might have the
> drive attached to a SATA port that is not supported by the DOS program
> or something like that.
> 
> This is what I use to do BIOS and other firmware updates, that Linux
> does not have a tool for.
> 
> Mailed
> LeeT
> 
> P.S. Sorry for the Off Topic post, but I hope it helps.
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-- 
Steven Haigh
 
Email: netwiz@crc.id.au
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