changing intrd

[Craig White]

On Wed, 2007-09-05 at 17:48 -0600, Karl Larsen wrote:
> Craig White wrote:
> > On Wed, 2007-09-05 at 17:16 -0600, Karl Larsen wrote:
> >   
> >> Les Mikesell wrote:
> >>     
> >>> Karl Larsen wrote:
> >>>       
> >>>>    I read the man initrd and it said to make a new file for use you 
> >>>> do this:
> >>>>
> >>>> CONFIGURATION
> >>>>       The /dev/initrd is a read-only block device assigned major 
> >>>> number 1 and
> >>>>       minor number 250.  Typically /dev/initrd is  owned  by  
> >>>> root.disk  with
> >>>>       mode  0400  (read  access  by root only).  If the Linux system 
> >>>> does not
> >>>>       have /dev/initrd already created, it can be created with the  
> >>>> following
> >>>>       commands:
> >>>>
> >>>>               mknod -m 400 /dev/initrd b 1 250
> >>>>               chown root:disk /dev/initrd
> >>>>       Also,  support  for  both "RAM disk" and "Initial RAM disk" 
> >>>> (e.g.  CON-
> >>>>       FIG_BLK_DEV_RAM=y and CONFIG_BLK_DEV_INITRD=y ) support  must  
> >>>> be  com-
> >>>>       piled  directly  into  the Linux kernel to use /dev/initrd.  
> >>>> When using
> >>>>       /dev/initrd, the RAM disk driver cannot be loaded as a module.
> >>>>
> >>>>
> >>>>    Well I looked for /dev/initrd in this computer and there is none! 
> >>>> So I think the man page is wrong! Well this is it about for me. All 
> >>>> the Google data is for Red Hat 6.
> >>>>         
> >>> You don't need /dev/initrd - you need 
> >>> /boot/initrd-your-kernel-version.img as mentioned in grub.  man 
> >>> mkinitrd will show the command to build a new one and the only special 
> >>> trick is that you need to put the necessary but missing 'alias' 
> >>> entries in /etc/modprobe.conf first so it will include your driver 
> >>> modules in the new image.
> >>>
> >>>       
> >>     Well Les, I have no idea what Internet thing I have, no idea what 
> >> the sound card is called. So I deleted the ones from this computer. But 
> >> when mkintrd ran it said can't make it because it exists. So I deleted 
> >> the 2 in /boot. Then ran it and said "no modules available for this kernel".
> >>
> >>     So guess I'm dead. we need a real F7 HowTo for this. It is now a 
> >> catch 22 thing.
> >>     
> > ----
> > I am probably flogging a dead horse here but the whole point of anaconda
> > is to detect your hardware and install an OS that is compatible with
> > your hardware - which is of course lost when you run the installer on
> > one system and then copy the installation over to another...this is
> > often a problem on Windows too.
> >
> > As for an F7 HowTo - I'm quite sure that information regarding hardware
> > detection, modprobe.conf and initrd is out there and very little
> > difference would be found between FC6 and F7 but those without the
> > experience/skill sets to manage it would find it endlessly confusing.
> > Case in point...I found a walk through for compiling the old megaraid
> > modules on RHEL 4 on the Internet which worked fine on RHEL 4.0 but had
> > to be adjusted when Red Hat shipped RHEL 4.1 or a number of adjustments
> > had to be made for CentOS because their CentOS-4 installation CD used an
> > i586 boot kernel instead of an i686 boot kernel. Even with walk the walk
> > through and my noted changes for CentOS were so difficult that I only
> > noticed 1 other person on the CentOS mail list that was capable of
> > getting it accomplished.
> >
> > Short of above...re-install directly on the hardware you are going to be
> > using and problems go away.
> >
> >   
> Bullshit Craig! If I just reload F7 then I am stuck with 200 updates and 
> several days getting the whole thing running again.
> 
> All your above is about old Linux so you know NOTHING about F7.
----
thanks for confirming my dis-inclination to try to help you through it.

have fun

-- 
Craig White <craig at tobyhouse.com>