[HECnet] Is MIM running?

Thomas DeBellis tommytimesharing at gmail.com
Wed Oct 20 08:38:31 PDT 2021


Tomas,

Say, that is a very nice ping utility you have!  Would you know where I 
could get the source to it or its theory of operation?

Tommy Timesharing systems (TOMMYT, VENTI2, TERZO) are Tops-20 machines 
running on the KLH10 micro-engine.  They have a number of monitor 
modifications plus a rewritten SETNODE utility to support long term 
updates of the volatile data base. "Long term" means updates in access 
of 39 weeks (6,636 hours).

Updates are accomplished by a weekly batch job.  The node database on 
MIM:: is checked for updates on a weekly basis.  I check connectivity to 
MIM:: by attempting a directory of the appropriate files.  If this 
works, then I proceed to NFT them.  If not, then I send email.

    21:09:03 MONTR   $@NFT
    21:09:03 USER   NFT>*SET DEFAULTS MIM:: /USER:
    21:09:03 USER   NFT>*SET DEFAULTS MIM:: /PASSWORD:
    21:09:03 USER   NFT>*SET DEFAULTS MIM:: /ACCOUNT:
    21:09:03 USER   NFT>*DIR MIM::FIX.T20;0
    21:09:03 USER
    21:09:03 USER   [Fork NFT opening DCN:MIM-FAL for reading, writing]
    21:09:06 USER
    21:09:06 USER     MIM::DU1:[DECNET]
    21:09:06 USER   FIX.T20;111;P775656             17 33280(8)
    21-Sep-2021 22:19:51
    21:09:06 USER   NFT>*; If get here, then have connectivity to MIM::

It seems to me that doing a ping might be a more valid initial 
connectivity test, the directory attempt then being a test of FAL/DAP 
status.

Regards,

    --T

> ------------------------------------------------------------------------
> On 10/20/21 4:17 AM, Tomas Prybil wrote:
>
> Hello there
>
> MIM responds well from Area34 via Area59
>
> bbtrtr#ping decnet 1.13
>
> Type escape sequence to abort.
>
> Sending 5, 100-byte DECnet echos to atg 0 area.node 1.13, timeout is 5 
> seconds:
>
> !!!!!
>
> Success rate is 100 percent (5/5), round-trip min/avg/max = 4/6/8 ms
>
> BR
>
> /t
>
>
>> ------------------------------------------------------------------------
>>
>> On 10/19/21 10:14 PM, Robert Armstrong wrote:
>>
>>  … I can’t seem to reach it.  It’s not a big problem, but I wondered 
>> if it was my issue or somebody else’s…
>>
>> Bob
>>
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