Hi:  We are running a MVS ADSM (Server Version 2, Release 1, Level
     0.13) 3090-400J with Ramac1/1.5GB Cache 3494 ATLw/(4)3590s via ATM.
     We are flat out at 20 to 25 GB/day with ADSM and sharing the tape
     drives with DFSMS.  Of course the MF is doing many other things.

     Our early experience with an AIX ADSM (server V 3.1 lvl 1.3) SSA DASD
     3494 ATL (2)3590s via ATM is good.  It zips through 20 GB.  We rarely
     need the second drive while the MVS server could always use three.
     The tape read/write speeds seem to make a big difference.  Also, this
     machine is almost 100% ADSM.

     We'll upgrade the MF to CMOS in Aug and 17 MB/s ESCON and are hopeful
     the faster channels will make the match more equal.  A ver. 2 vs. ver.
     3 comparison is not a fair test even so.

     Eric Lewis
     Univ. of Wisconsin-Madison


______________________________ Reply Separator _________________________________
Subject: ADSM Developers
Author:  "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>  at IPNET
Date:    7/5/98 7:17 PM


We are currently running the ADSM server on a IBM 9672-R25 under OS/390. Our
disk storage pools are on Ramac Raid-5 drives and our tapes are 3490E housed in
a ATL.  All TCP/IP traffic is being routed through a OSA 16/4 connection.  We
are backing up Unix and NT applications.

I've been told that if you are backing up more than 100 gb of data in a 24 hour
period then you should not run the ADSM server on a mainframe, but on a Unix
platform.  I would like to hear your (ADSM development, support, and users)
opinions/suggestions.

Best reguards.
Wayne M. Spearman
Information Technology