On Thu, Jan 30, 2003 at 09:38:01PM -0500, Weirong Zhu wrote:
>
> Dear all:
>
> Platform Redhat 7.2. Oscar 1.3
> It's strange that the SSH connection to slave nodes from master node
> became very slow recently.
> I try "ssh -v c1" (c1 is a slave node)
> I got:
> ====================================================================
> debug1: Reading configuration data /etc/ssh/ssh_config
> debug1: Applying options for *
> debug1: Rhosts Authentication disabled, originating port will not be
> trusted.
> debug1: restore_uid
> debug1: ssh_connect: getuid 2473 geteuid 0 anon 1
> ====================================================================
> It will stop here for almost 40 seconds
> Then continue remaining steps very quickly.
>
> Meanwhile, rsh to slave nodes is very quickly,and ssh from slave nodes to
> master nodes, is also very fast.
>
> Does anybody has idea about this issue?
>
> Thanks.
>
>
> Weirong
>
It probably is a name resolution issue but you could run strace against
the ssh process while it is sitting there for the 40 seconds. That might
tell you what it is trying to do.
You might have to run strace against the sshd process on the other end
instead to see what is going on there.
Do you have an internal name server setup for the cluster or are you
relying on host files? If it is host files are both the server and
client systems fully defined in the hosts files on each end?
--
Steven A. DuChene [EMAIL PROTECTED]
[EMAIL PROTECTED]
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