On 04/21/2017 10:25 PM, Gordon Messmer wrote:
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.

I gave it a try with 7.2.1511 and that works fine as long as I have "ip=eth0:dhcp" in my PXE config. As soon as I expand it to "ip=eth0:dhcp ip=eno1:dhcp rd.neednet=1" (I do that to make sure kickstart works independently from the name of the network interface), kickstart enters into emergency mode w/o any error message after a lot of timeout warnings. However that's something we can work around.

Thanks for the 7.2 hint.

frank


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