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Most of the weaker points you bring up are directly related to TCP/IP and not DDM. Using a SDLC link requires none of the functions you refer to. I have never see or heard of a DDM client, since DDM has existed for at "least" the last 17 years and maybe before that. I first used DDM on a pair of S/36's in 1983. thomas@inorbit.com wrote: > > Tim: > > On Thu, 25 October 2001, "Hatzenbeler, Tim" wrote: > > > DDM (my experience level is, never seen it, never used it) But I think it > > allows you to share a files between box's real time... If that's the > > case... > > > > What would I need to do on each box, to allow the sharing of a file called > > [timtest] in a library called [devtimh] both machines are connected via > > tcp/ip > > > > Also, can ddm be used to share the same file on more than two as/400? > > Could I have 12 as/400 writing and sharing the same file between all the > > boxes? > > It's extremely easy. You'll create the DDM file as: > > ÝÝÞ cfgddmf file( mylocallib/mylocalDDMFname ) + > rmtfile( devtimh/timtest ) + > rmtlocname( remotehostname *IP ) > > Note that you can use the local host name in place of remotehostname to set >up a test that involves just the local system. And that's about all there is >to it. Except... > > First, the AS/400 DDM client does not yet support the sending of >userid/password. Therefore, unless you want the systems essentially wide open, >you'll need to configure the DDM server on the remote system at least to >require passwords, and then use server authentication entries for each user on >the local system who will be using the file(s). Use CHGDDMTCPA to configure >the DDM server and ADDSVRAUTE to add authentication entries. Be aware that >server name is case-sensitive and must be QDDMSERVER on the authentication >entries. Also be aware that only one entry per user per server is allowed; >therefore, the same entry will be referenced no matter how many different >remote systems are accessed. Also be aware that the QRETSVRSEC system value >must be set to '1ݾtain data' on the local system in order to retain the >values in these entries; if the system value is ever changed to '0', the >userid/password values are erased from the entries and must be each changed >back to correct val! > ues. And take care with choosing the userid/password for the authentication >entries unless you secure against the SBMRMTCMD command on the remote site or >have strong object authorities in place. > > Second, keep in mind that a DDM file is not considered a database file. >Therefore, functions such as Query/400 or SQL will not work. For SQL, you're >better off just setting up RDB directory entries on both systems and >CONNECTing to the remote database. In fact, you'll maybe want to do that in >addition to DDM anyway. > > Other than that, it works great. > > Tom Liotta > > -- > Tom Liotta > The PowerTech Group, Inc. > 19426 68th Avenue South > Kent, WA 98032 > Phone 253-872-7788 > Fax 253-872-7904 > http://www.400Security.com > > ___________________________________________________ > The ALL NEW CS2000 from CompuServe > Better! Faster! More Powerful! > 250 FREE hours! Sign-on Now! > http://www.compuserve.com/trycsrv/cs2000/webmail/ > > _______________________________________________ > This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list > To post a message email: MIDRANGE-L@midrange.com > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l > or email: MIDRANGE-L-request@midrange.com > Before posting, please take a moment to review the archives > at http://archive.midrange.com/midrange-l.
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