You might see the cause in the dsmsched.log file.

I think I got the same when the server was not available.

One other thing you might try is to start it interactively to get any error
messages that may be generated.

> ----------
> From:         Dirk Kastens[SMTP:Dirk.Kastens AT RZ.UNI-OSNABRUECK DOT DE]
> Reply To:     ADSM: Dist Stor Manager
> Sent:         Thursday, June 10, 1999 6:56 AM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      AIX 3.1.0.7 client scheduler stops
>
> Hi,
>
> I just upgraded our first AIX ADSM client from 3.1.0.6 to 3.1.0.7.
> AIX version is 4.3.2.
> Running the client interactively is no problem. But shortly after
> I start the client scheduler with "nohup ./dsmc sched 2>/dev/null &" I get
> the message
> [1] + Stopped (SIGTTOU)    nohup ./dsmc sched 2>/dev/null &
>
> When I log out, the process is killed.
> Is there a problem with the new ADSM client or is there something
> different in AIX 4.3.2? The old client was running under AIX 4.2.1
>
> Thanks for any hints.
>
> Regards,
>
> Dirk Kastens _______________Dirk.Kastens AT uos DOT de
> Universitaet Osnabrueck       Phone: +49/541/969-2347 (work)
> Rechenzentrum               Fax:   +49/541/969-2470 (work)
> Albrechtstr. 28
> D-49069 Osnabrueck
> Germany
>