Re: Console/ssh hangs when starting snapmirror

Apologies for not following up I had someone reply to me directly
suggesting I used -w, and sure enough ... that was the issue.

Embarrassing a bit!

On Mon, Nov 25, 2019 at 9:09 PM John Stoffel <[email protected]> wrote:

>
> Douglas> This is FAS8080 running 8.2.5P37Mode, and we've seen it on 3
> Douglas> of the same systems that are newly installed (it is for a
> Douglas> migration to cmode).
>
> Interesting, because I was just doing a bunch of snapmirror initialize
> this past week from an 3220 pair to a 3250 7-mode pair running 8.2.x
> or something like that.  I had no problems with starting my
> snapmirrors when I had just done:
>
>   ssh filer snapmirror initialize -S 3220:/vol/foo /foo
>
> and it worked just fine, and my 3250s are kinda sorta really old and
> over 50% busy, but not really critical.
>
> Douglas> Wondering if anyone has run into this issue. We are
> Douglas> experiencing an odd issue where when starting a snapmirror of
> Douglas> serial/SP the console hangs (messages do appear on the
> Douglas> screen). If we ssh into the system it works fine. If we drop
> Douglas> and go back to console it is still hung.
>
> Douglas> We've also tested starting the snapmirror via ssh and that
> Douglas> hangs as well, and the console works fine. I havent confirmed
> Douglas> whether or not if I then drop that SSH session and relogin if
> Douglas> it is still hung.
>
> Douglas> I've never seen this before on new systems, and wondering if
> Douglas> anyone has seen the exact issue. I have however seen
> Douglas> consoles/ssh hang because of system load or wafl checks, but
> Douglas> never with establishing a snapmirror baseline.
>
> Does it ever come back if you wait a long time?  Where are you doing
> your SSH connections from?  I do have to now do the following from my
> newer Linux hosts:
>
>   ssh -oCiphers=+3des-cbc user@filer
>
> Which might be an issue?
>
> John
>

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