Unable to eject boot cd during kickstart install

[John Summerfield]

dwight at supercomputer.org wrote:

I'm forking a thread on ks, because it illustrates something that's been 
on my mind for a while.

When I boot CD to net install (which I suppose the OP is doing coz 
otherwise it doesn;t make sense to head for other parts, media in hand), 
I'd like it to spit the CD out as soon as it's not required.

Normally, I use PXE but just sometimes, I might boot from CD and then 
install off a good ADSL connexion. Taking the CD ensures there won't be 
an install loop. Waiting for it's tedious.


bts I've just been testing PX+KS (CentOS5.1) on a 3yo or so Pentium IV. 
Takes a little less than 15 minutes, about what RHHL 7.2-3 took on 
Pentium IIs fdr a similar install.

In contrast, XP's equivalent takes around an hour and despite the .SIF 
file (equivalent to the ks) it insists asking more question. And then 
it's ready to install the applications such as office software.

Good Work JK (who I think's been on it all that time) and crew.



> It sounds like there's some process left around which is keeping the 
> device open. That would be the first thing I'd check. If nothing is 
> obvious from a ps(1), then you'll have to dig deeper.
> 
> lsof(1) and/or an `fuser -v` are typically used to track this down. 
> The trouble is that these aren't available from the F2 virtual 
> terminal. I'm going from memory at the moment, but I'm pretty 
> certain this is the case.
> 
> To use these utilities, you'll have to do something like the 
> following:
>    1. chroot /mnt/system
>    2. mount  up /sys (Check fstab, it would be something like 
> mount -t sysfs /sys
>    3. mount up /proc 
>    4. /sbin/start_udev
> 
> You should then be able to use lsof and/or fuser.
> 
> You can also now do all sorts of other nifty things.
> 
> Note that to exit this environment cleanly, you have to clean up in 
> the reverse order. Starting will killing the udevd daemon. 
> 
> Hope that helps.
> 
>    -dwight-
> 
> On Wednesday 13 February 2008 06:55:13 am Peter Schwenk wrote:
>> I've been using kickstart installs with Fedora and CentOS for
>> quite a while now.  I boot the system with a cd and enter the
>> appropriate command at the BOOT: prompt and away it goes.  I've
>> gotten used to being able to eject the cd from the system (using
>> the button on the drive) at the point where it is installing
>> packages.  For some reason, with Fedora 8 kickstart installs the
>> cd is locked in the drive and I cannot eject it.  I've tried going
>> to a virtual terminal and running 'eject /tmp/cdrom', but it
>> returns "Input/output error".
>>
>> I'd like to be able to take the cd with me so that I don't have to
>> go and retrieve it later.  Does anyone know how this can be done? 
>> Thanks in advance for your help.
>>
>>
>> -----
>> - Peter Schwenk
>> - CITA-3, Systems Administrator
>> - Mathematical Sciences
>> - University of Delaware
>> - schwenk _at_ math _dot_ udel _dot_ edu
>> - http://www.math.udel.edu/~schwenk
> 
> 
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> 


-- 

Cheers
John

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