[CentOS] How to PXE kickstart hosts with little memory (Error: "Warning: /dev/root does not exist")?
Gordon Messmer
gordon.messmer at gmail.com
Fri Apr 21 20:25:05 UTC 2017
On 04/21/2017 12:49 PM, Frank Thommen wrote:
>
> It seems, that this is not related to local disk space - as I initally
> thought - but to too small memory. It only happens with VMs with
> little RAM (1024 MB). As soon as we raise the available memory to
> 2048 MB, kickstarting works fine. The RHEL 7 installation guide
> states, that the minimal memory requirement is 1 GB, so the network
> installation /should/ work.
Yeah, I filed a bug report against the documentation some time ago.
https://bugzilla.redhat.com/show_bug.cgi?id=1410948
...though bugzilla is currently down.
> Is there a way to install such hosts w/o having to temporarily raise
> the available memory?
None that I'm aware of, as of 7.3. If you have a 7.2 install tree, you
can boot the older installer and then update the installed system.
Seems easier to boost the memory, typically.
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