LDSF is Logical Device Support Facility. The default maximum number of logical devices for the system 4096. Use
SET MAXLDEV to change it. See "CP Programming Services" for more information (Appendix E is a good place to start). Brian NIelsen On Fri, 24 Aug 2007 11:01:09 -0500, Tom Duerbusch <[EMAIL PROTECTED]> wrote: >Yesterday, we started getting the following error messages from the TCPI P stack: > >11:12:25 DTCSTM259E CONN 237: LDSFINITIATE RETURNED TRYING TO USE LDSF FOR TOO MANY DEVICES. >11:12:25 DTCSTM163I TELNET SERVER: CONN 238:CONNECTION OPENED 08/23/07 A T 11:12:25 >11:12:25 DTCPRC150I FOREIGN INTERNET ADDRESS AND PORT: NET ADDRESS = 205.235.239.50, PORT= > 1163 > > >The first error message "DTCSTM258E", when looked up, doesn't give much of a reason. > >Is there a limit on LDSF devices? >What is an LDSF device? >Is this the same as the LDEV devices? > >We use the SCEXIT to do a "dial vtam" to a bunch of VTAM NON-SNA controller defines. This allows us access to the SNA network. > >Our user base has been scaling up recently. We are at new high water marks. >It looks like we have enough controllers defined to VTAM. >It looks like we have enough "specials" to cover the controllers. >So it looks to me that VTAM or the Directory, isn't part of this problem . > >In the TCPIP log, I don't see any warnings about running out of storage. > >VM TCP/IP Netstat Level 520 > >TCPIP Free pool status: > >Object No. alloc No. free Lo-water Permit size >====== ========= ==== ==== ======== ========== = >ACB 1024 1013 979 102 >CCB 158 139 137 15 >Dat buf 160 157 146 16 >Sm dat buf 300 98 93 30 >Tiny dat buf 10 9 7 1 >Env 751 751 738 75 >Lrg env 50 49 47 5 >RCB 51 51 51 5 >SCB 264 258 251 26 >SKCB 256 255 254 25 >TCB 256 52 50 25 >UCB 102 102 102 10 >Add Xlate 1512 1512 1512 5 >NCB 1501 1501 1501 5 >IP Route 625 601 601 6 >IPv6 Route 619 619 619 6 >Segment ACK 5120 5120 5104 512 >FPSP total locked pages: 392, Unused locked pages: 113 >FPSP allocation threshold: 2200, Low-water mark: 0 > >z/VM Version 5 Release 2.0, service level 0602 (64-bit) >Generated at 09/18/2006 18:39:52 CDT > > >Anyway, I'm looking for direction on what to look for to solve this issu e. > >Thanks > >Tom Duerbusch >THD Consulting