[ydl-gen] Query regarding mdmpd

[Derick Centeno]

Greetings all:

I have noticed that mdpdm fails as YDL 4.1 is loading.  I have also
noticed that the failure doesn't appear in dmesg or /var/log/messages.

According to:

http://www.linuxmanpages.com/man8/mdmpd.8.php

The description of the daemon attends to the forks it bifurcates along
and states that the daemon "adds the path" back into the multipath md
device it was originally part of as a new spare path.

The file mdstat to which mdpdm refers lists all active md devices.  My
interpretation of the documentation is that the details of a single
drive system should be included in this file so that should there be a
failure to talk to the drive via one controller, it becomes possible via
referencing this file to utilize/switch to another controller.  

Not being an engineer I'm not sure I'm interpreting the reference
correctly or whether anything should be written into mdstat.  Currently
although Personalities and unused devices exist as categories in mdstat,
I don't find any identifiable details regarding any drive.

If someone has an explanation clearer than man, info or the reference I
listed, I would appreciate the illumination.

On Wed, 2006-03-22 at 09:13 -0800, Owen Stampflee wrote: 
> I'll throw ttmkfdir into scheduled errata for y'all and hopefully have
> it released soon.
> 
> Thanks for the bug report.
> 
> Cheers,
> Owen
> 
> On Tue, 2006-03-21 at 20:52 -0500, jdesalvo at ydl.net wrote:
> > Owen,
> > 
> > On Mon. Mar 20, Owen Stampflee wrote:
> > 
> > >Interesting, I cant reproduce this here but I cant say I'm doing it
> > >properly try this for me:
> > 
> > >[owen at beast ~]$ md5sum /usr/bin/ttmkfdir
> > >3b464c8f278d1d17fc1cb3427522b9e6  /usr/bin/ttmkfdir
> > 
> > Unfortunately, I can't do that as I took Albrecht's advice and
> > compiled the src rpm from the FC4 repository and installed it over
> > the original. Thus far, it appears to be working OK, just as Albrecht
> > said it had for him.
> > 
> > >Also, what directory are you running it from? What arguments, etc?
> > 
> > If memory serves, I was running it from its default location. I don't
> > recall the arguments but was running it after installing the
> > MSTTCOREFONTS from Source Forge.
> > 
> > In any case, thanks for the prompt response. If I might, I'd like to
> > get your help with another problem: I need to figure out why I have
> > duplicate icons on my GNOME desktop: two home directories, two trash
> > icons and two others (Start Here and System). I realize that some of
> > these icons are for KDE or the mixed environment that is YDL's
> > default, but still...it's annoying to have them appear on the desktop
> > and ridding them from the desktop amounts to removing them altogether,
> > which is counterproductive if I later want to boot KDE or the mixed
> > environment. Suggestions?
> > 
> > Thanks again,
> > 
> > Joe
> > 
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