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Re: Copying a DVD image to hard disk for a non-CDROM install



Douglas McClendon wrote:
John Summerfield wrote:
Douglas McClendon wrote:
John Summerfield wrote:
This might not strictly be an Anaconda question, but Anaconda is involved and (it seems to me) there's some inconsistency involving Anaconda and yum.

I've tried copying* a RHEL5-clone DVD image to disk to use for network installs. I might not not actually have tried to install a system from it, but I have tried to install packages from it using yum.

The problem is that yum grabs repomd.xml and primary.xml.gz and then barfs:

10:11 [summer numbat ~]$ sudo yum install libmtp-devel libnjb-devel libid3tag-devel
Loading "kernel-module" plugin
Setting up Install Process
Setting up repositories
sl-security 100% |=========================| 951 B 00:00 sl-base 100% |=========================| 1.3 kB 00:00
Reading repository metadata in from local files
primary.xml.gz 100% |=========================| 183 kB 00:02
sl-securit: ################################################## 478/478
primary.xml.gz 100% |=========================| 841 kB 00:00 sl-base : ################################################## 2454/2454
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for libid3tag-devel to pack into transaction set. media:/1178298547.683145//libid3tag-devel-0.15.1b-3.sl.i386.rpm: [Errno 4] IOError: <urlopen error unknown url type: media>
Trying other mirror.
Error: failed to retrieve libid3tag-devel-0.15.1b-3.sl.i386.rpm from sl-base
error was [Errno 4] IOError: <urlopen error unknown url type: media>
10:12 [summer numbat ~]$

I have, of course, installed from this image, though I don't actually recall whether I did a network or CDROM install.

I've diagnosed that media:/1178298547.683145 needs to get changed to the base URL, but I can't see how it (apparently) works at system install time and not later.

On checking other ISO images I have here, I this might as well arise with FC6, F7 and (most likely) RHEL5 itself, as all have this media:// stuff.

How's it supposed to work, and more importantly why might it not work?


* The "copy" is actually a symlink to the loop-mounted ISO image. As yum fetches the repo files, I believe my setup is correct as far as that goes.

I think this may be a known issue, though I forget the details.  I
recall working around this (or something very similar) by using createrepo with --outputdir. I.e. it creates a new set of metadata which points to the same loopmounted iso rpms. I could then use the resulting repo to install packages via yum.

I'm hoping for an official word from JK or someone: it obviously works during install, and presumably I can mount my DVD and install stuff from it.

Not definitive answers, but these links seem possibly related-
(though I would hope there is an official answer that suggests these steps are no longer needed, or won't be in the near future.)

http://kbase.redhat.com/faq/FAQ_103_10415.shtm

Oh, so basically it's bollixed. It will work really well with automount. I only have 23 ISO images I automount.




http://forums.fedoraforum.org/showthread.php?t=153437

-dmc

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John

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