On 1/24/2014 3:25 AM, Sascha Vogt wrote:
Hi all,
I have a multi node setup and wanted to play with migration. Currently
I'm getting strange SSH errors. I followed the
http://docs.openstack.org/havana/install-guide/install/apt/content/ guide.
The first error was a host key verification error.
This bit is completely missing from the install guide: nova user must be
able to ssh to other nodes. There's no mention whether it must be every
node to every node, controller to every compute node, or what.
It might be related to Ubuntu giving the nova (and all other users)
/bin/false als login shell.
RedHat (RDO) uses /sbin/nologin instead. So you can't 'su - nova' and
genrate keys & test ssh without editing /etc/passwd. I expect nSALinux
would complain if you do that -- if you didn't disable it first thing
after install.
(Of course if you could 'su - nova' you'd be in the right home directory.)
Dima
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