[ale] CentOS 7 Net Install - /dev/root not found

Sergio Chaves sergio.chaves at gmail.com
Tue Dec 8 22:57:58 EST 2015


Ha! Got it!
I had to disable one of the network connections in order to start pulling
information from the repo -
http://mirror.centos.org/centos/7.1.1503/os/x86_64/ . Once the repo was
setup, I restarted the disabled connection and life is good now.
Going to bed very, very happy :-)

On Tue, Dec 8, 2015 at 10:00 PM, Sergio Chaves <sergio.chaves at gmail.com>
wrote:

> So, I found out there is a Bugzilla report in regards to the LABEL in Grub.
> Following these instructions -
> https://blog.vladionescu.com/pxe-installing-rhel-7-from-cobbler-2-6/ , I
> am able to reach the url and load anaconda. However, I am now getting the
> "Error setting up base repository" no matter which url I use.Grrrrrrrrr!
>  Almost all sites suggests that the network is down but both links are up,
> enp6s0 and enp4s0. All info is right - ip, gateway,dns, etc.
> Any clues?
>
> On Tue, Dec 8, 2015 at 6:42 PM, Sergio Chaves <sergio.chaves at gmail.com>
> wrote:
>
>> Thanks for the tip.
>> On Dec 8, 2015 6:10 PM, "Lightner, Jeff" <JLightner at dsservices.com>
>> wrote:
>>
>>> Not sure if it is relevant but I stumbled across a link talking about
>>> not using NFSv4 when using /net while I was researching an NFSv4 issue not
>>> related to /net.   You might want to make sure you’re specifying NFSv3 when
>>> accessing /net if you’re doing a separate mount from it.
>>>
>>>
>>>
>>> Unfortunately I don’t have the full details of what I saw because it
>>> wasn’t relevant to the issue I was investigating.
>>>
>>>
>>>
>>>
>>>
>>> *From:* ale-bounces at ale.org [mailto:ale-bounces at ale.org] *On Behalf Of *Sergio
>>> Chaves
>>> *Sent:* Tuesday, December 08, 2015 5:24 PM
>>> *To:* Atlanta Linux Enthusiasts
>>> *Subject:* Re: [ale] CentOS 7 Net Install - /dev/root not found
>>>
>>>
>>>
>>> Not on initial boot.
>>> Just got home and will do it later on tonight.  I will post the results.
>>>
>>> On Dec 8, 2015 2:54 PM, "Jim Kinney" <jim.kinney at gmail.com> wrote:
>>>
>>> Did you verify the checksum of the ISO after download and again during
>>> the initial bootup? It sounds like a bit flipped in the kernel boot line
>>> for the initrd or for the later root switch to CD root system.
>>>
>>>
>>>
>>> On Tue, 2015-12-08 at 14:22 -0500, Sergio Chaves wrote:
>>>
>>> I have an old server where I plan to install CentOS 7 for my
>>> certification exams. The DVD player is broken and I am trying to do a Net
>>> Install using a USB CD player.
>>>
>>> Everything works up to the point where the system says that file system
>>> mounted OK. After a minute or so, it drops to a dracut shell with a .txt
>>> file generated (cannot remember the name now).
>>>
>>> File says /dev/root not found. I changed the hd:LABEL to /dev/sr0,
>>> /dev/cdrom, etc. but with same results
>>>
>>> Googling returns several other options. After trying a half a dozen of
>>> them, I gave up.
>>>
>>> I am wondering if anyone has a real solution for this, please let me
>>> know as my frustration level is rising quite rapidly. As an FYI, I do not
>>> have a "boot from USB" option.
>>>
>>> I know I can buy a USB-DVD but I really would like to figure this one
>>> out.
>>>
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>>> --
>>>
>>> James P. Kinney III
>>>
>>>
>>>
>>> Every time you stop a school, you will have to build a jail. What you
>>>
>>> gain at one end you lose at the other. It's like feeding a dog on his
>>>
>>> own tail. It won't fatten the dog.
>>>
>>> - Speech 11/23/1900 Mark Twain
>>>
>>>
>>>
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>>>
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>
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