Date: Tue, 12 Aug 2003 11:20:59 -0400 From: Jesse Guardiani <jesse@wingnet.net> To: freebsd-mobile@freebsd.org Subject: Re: Hot swap of bay devices Message-ID: <bhb0kr$72o$1@sea.gmane.org> References: <7551391.1060700599918.JavaMail.nobody@fozzie.psp.pas.earthlink.net>
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Sean Welch wrote:
> I read your account of successfully swapping devices
> in an HP notebook and just had to give it a try on
> my Dell Inspiron 8000. Unfortunately it didn't work
> so well.
>
> Would you be so kind as to list out the exact steps you
> use?
>
> Here is what I did (I normally use a second battery in
> the bay) under 4.8-RELEASE:
>
> 1) Remove battery.
> 2) Plug in Sony CDRW unit
> 3) Run atacontrol info 1 and see CDRW unit
> 4) Run atacontrol mode 1 and see mode ???
> 5) Run atacontrol mode 1 WDMA2 0 and get hung xterm
> 6) Run atacontrol mode 1 and still see mode ???
> 7) Run atacontrol reinit 1 and get hung xterm
> 8) Run atacontrol mode 1 and still see mode ???
> 9) Run atacontrol detach 1 and get hung xterm
> 10) Run atacontrol info 1 and still see CDRW unit
> 11) Run atacontrol detach 1 and get hung xterm
> 12) Remove CDRW unit and replace battery
> 13) Run atacontrol list and still see CDRW listed
> 14) Check ps -ax | grep ata and see:
>
> 17284 p2- D 0:17.51 atacontrol mode 1 WDMA2 0
> 16578 p5- D 0:17.77 atacontrol reinit 1
> 17068 p5- D 0:18.15 atacontrol detach 1
> 18837 p5- D 0:16.95 atacontrol detach 1
To remove and reattach my DVD-ROM on my IBM A30p, all I do is this:
1.) atacontrol info (to see channel)
2.) atacontrol detach 1 (to detach everything on channel 1)
3.) remove drive
4.) replace drive
5.) atacontrol attach 1 (to attach everythin on channel 1)
Done.
I've never tried to attach a different device before, but this
works great for the device I have.
NOTE: Make sure the drive isn't being used before you try to
detach it. For example, my drive is /dev/acd0. I run:
fstat /dev/acd0
Then kill any programs that are using that device before detaching.
--
Jesse Guardiani, Systems Administrator
WingNET Internet Services,
P.O. Box 2605 // Cleveland, TN 37320-2605
423-559-LINK (v) 423-559-5145 (f)
http://www.wingnet.net
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