On 5/20/16 10:45 AM, Maximilian Doerr wrote:
Does this unusual behavior, also cause erroneous fingerprints being given
during authentication. Yesterday when I was SSHing into Cyberbot-exec-01 via
bastion I got a fingerprint mismatch with the exec node. This was using WinSCP.
That's almost certainly not related. I'm not sure why that would
happen, although there are a few possible failure cases in our network
setup where traffic gets routed not to your VM but directly to the
nova-network host. In that case you'd be seeing the wrong key because
it's the key for labnet1002 instead of for your VM. The timing doesn't
hold up but there was a brief network outage a couple of days ago that
could have caused that.
Do let me know if you see this issue repeatedly -- in particular, if you
can open a phabricator ticket which includes both host keys (the
erroneous one and the correct one) then that will help us diagnose things.
-Andrew
To clarify, it got into Bastion just fine but not into my node, because I
aborted the authentication process. I waited 5 minutes and tried again and it
worked just fine.
Cyberpower678
English Wikipedia Account Creation Team
ACC Mailing List Moderator
Global User Renamer
On May 20, 2016, at 11:10, Andrew Bogott <[email protected]> wrote:
Note: Tools users can ignore this message
We are seeing some unusual behavior on labvirt1003, which hosts a large
number of labs instances. The problem is not yet diagnosed, but it is likely a
hardware problem that will require reboots or downtime. Here is a complete
list of labs instances currently living on labvirt1003:
https://phabricator.wikimedia.org/P3159
If you have any hosts on that box that cannot survive a reboot, please
either let me know, or take steps to minimize the damage. I've removed
labvirt1003 from the scheduler, so if you want to build a new instance and
migrate services to it you can be assured that the new instance will be
isolated from the coming chaos.
A simple reboot shouldn't produce more than 5-10 minutes of downtime. If a
major outage seems likely, I'll follow up with additional warning.
-Andrew
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