Okay, I was keying off the OP's mention of VIEWCON.

--
Mike Harding
z/VM System Support

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The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU> wrote on 07/05/2011
10:15:29 AM:

> From: Alan Altmark/Endicott/IBM@IBMUS
> To: IBMVM@LISTSERV.UARK.EDU
> Date: 07/05/2011 10:17 AM
> Subject: Re: Where console message is stored using Operation Manager
> Sent by: The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU>
>
> On Tuesday, 07/05/2011 at 12:42 EDT, Michael Harding/Oakland/IBM@IBMUS
> wrote:
> > Beg to differ.
> > While all messages for all monitored userids are logged to Operations
> Manager's
> > log on disk, recent (for various values of recent) console activity is
> kept in
> > data spaces, the size of which is specifiable.  That's why, for a
> particularly
> > active (console-wise) userid, one can only page back so far. Actually,
> that can
> > be several days for low-console-activity userids, but may be only an
> hour or a
> > few for those which really pump out messages.
>
> We don't really differ on this.  I read "stored" as "permanently stored".

> The messages are permanently[1] stored on disk, but as you say, recent
> messages are also kept in a data space, one for each monitored user.  The

> amount of data in a user's private data space is controlled by DEFDSPS
> (default 1M).
>
> I believe all of the VIEWxxx commands get their data only from the data
> spaces, not the log file(s).
>
> Alan Altmark
>
> Senior Managing z/VM and Linux Consultant
> IBM System Lab Services and Training
> ibm.com/systems/services/labservices
> office: 607.429.3323
> mobile; 607.321.7556
> alan_altm...@us.ibm.com
> IBM Endicott
>
> [1] Subject to your retention policy.  Obviously you can't accumulate it
> on local disk forever!

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