It looks like ssh on the management node is using a ConnectTimeout value of
2 seconds:
debug3: timeout: 1999 ms remain after connect

Does specifying a longer time make a difference?
ssh -o ConnectTimeout=10 -vvvv vm79



On Wed, Apr 2, 2014 at 11:19 AM, Curtis <[email protected]> wrote:

> Hi Andy,
>
> Thanks, inline...
>
> On Wed, Apr 2, 2014 at 8:22 AM, Andy Kurth <[email protected]> wrote:
> > I can't tell from just the commands.  They look normal.  Were there any
> > WARNING messages during the image process prior to the reboot?
> >
> > What error message is reported when you try to ssh from the management
> > node? (Connection timed out, etc)  It may be helpful if you send the
> output
> > from running "ssh -v <win_computer>".
> >
>
> This is what that output looks like:
>
> [root@VCL-PROD:~] $ ssh -vvvv vm79
> OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
> debug1: Reading configuration data /root/.ssh/config
> debug1: Applying options for vm*
> debug1: Reading configuration data /etc/ssh/ssh_config
> debug1: Applying options for *
> debug2: ssh_connect: needpriv 0
> debug1: Connecting to vm79 [10.1.0.195] port 22.
> debug2: fd 3 setting O_NONBLOCK
> debug1: fd 3 clearing O_NONBLOCK
> debug1: Connection established.
> debug3: timeout: 1999 ms remain after connect
> debug1: permanently_set_uid: 0/0
> debug3: Not a RSA1 key file /etc/vcl/vcl.key.
> debug2: key_type_from_name: unknown key type '-----BEGIN'
> debug3: key_read: missing keytype
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug3: key_read: missing whitespace
> debug2: key_type_from_name: unknown key type '-----END'
> debug3: key_read: missing keytype
> debug1: identity file /etc/vcl/vcl.key type 1
> debug1: identity file /etc/vcl/vcl.key-cert type -1
> Connection timed out during banner exchange
>
> > To troubleshoot, you'll need to login as root using the password which
> was
> > redacted from the vcld.log output.  Check the following:
> >
> > Is the Cygwin SSHD service running?  If not, try to start it.  If you get
> > an error related to incorrect credentials then something went wrong when
> > root's password was set early on in the image capture process.
>
> It's usually hung up, ie. won't respond to commands.
>
> If I login to the vm on its console (with virt-manager) then sshd
> can't be restarted from the windows service console, or cygrunsrv, but
> if I kill it with taskill and then start it, it starts up fine.
>
> Something to do with long logon times maybe?
>
> >
> > If SSHD is running, it could be a firewall problem.  Try simply turning
> off
> > the firewall temporarily on the Windows computer and try to ssh from the
> > management node.
>
> The windows fw is not on, or at least it says it's not on. It's turned
> off in the image.
>
> >
> > If the firewall isn't the problem, something isn't configured correctly
> > with the sshd service.  While logged in as root, you can try running
> > C:\cygwin\root\VCL\Scripts\update_cygwin.cmd.  This gets run
> automatically
> > when an image is loaded and configures sshd correctly and starts the
> > service.  If running this solves the problem, then you'll have to figure
> > out which commands or changes made by this script fixed it.  If possibly,
> > it will be easier to troubleshoot if you take a snapshot of the computer
> > before running this script so that you can revert to the broken state in
> > order to narrow down the problem.
> >
>
> Ok will give the update_cygwin.cmd a shot.
>
> Thanks,
> Curtis.
>
> > -Andy
> >
> >
> >
> >
> > On Tue, Apr 1, 2014 at 6:28 PM, Curtis <[email protected]> wrote:
> >
> >> On Tue, Apr 1, 2014 at 4:16 PM, Curtis <[email protected]> wrote:
> >> > Hi All,
> >> >
> >> > We are having an issue with some of our images where when we try to
> >> > create a new image from an existing image, everything goes ok until
> >> > the part where the virtual machine is rebooted, and after it's
> >> > rebooted sshd does not start up and the imaging process fails.
> >> >
> >> > Anyone have any thoughts? I'm fairly sure it has something to do with
> >> > the various commands that are run on the image once an image creation
> >> > process starts.
> >>
> >> Also, this gist has all the commands that are being run:
> >>
> >> https://gist.github.com/curtisgithub/6117a73b47e994d9be03
> >>
> >> But I'm not much of a windows administrator -- does anyone see
> >> anything unusual in that gist that might be causing issues? Perhaps
> >> something with the root logon or password?
> >>
> >> >
> >> > Thanks,
> >> > Curtis.
> >> >
> >> > --
> >> > Twitter: @serverascode
> >> > Blog: serverascode.com
> >>
> >>
> >>
> >> --
> >> Twitter: @serverascode
> >> Blog: serverascode.com
> >>
>
>
>
> --
> Twitter: @serverascode
> Blog: serverascode.com
>

Reply via email to