Dangerous in using nmap for AS/400 730 machine configured with 3 ASPs?

["Brahnda A. Eleazar" <brahnda.e () hermisconsulting com>]

Peace all,

I am wondering whether this is related or not.
I was in the middle of beginning a pentest activity for a network segment containing quite a number of AS400 
(Production).
I started with a simple nmap first to see what I am facing.
My command was (IPs are masked) "nmap -sV -vv -p 8470-8476 -o firsttry_port.nmap xxx.xxx.xxx.0/24"
This lasted for about 15 minutes.

After about 2 hours later, 2 out of 50+ identifiable machines started having problems.
They became very slow.
Those two machines are using ASP (Auxiliary Storage Pools), 1 ASP on the 1st machine and 2 ASPs on the 2nd.

I just want to get more information whether my nmap did anything "bad"? :)

Thanks and Regards,
=adley=


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