Hi, There were almost 500 LUs defined and we have kept a limit of 200 tso users. Even though we had a shortage of LUs. Any Idea.
Regards Jags On Wed, Apr 6, 2011 at 6:20 PM, McKown, John <[email protected]>wrote: > You probably have more people coming in via TN3270 than it has available > 3270 virtual terminals defined. The parameters in the TN3270 server list, > perhaps generically, VTAM LUs that it can use for TN3270 emulation. Once all > of them are in use, no more TN3270 connections can be made until someone > else disconnects from the TN3270 server and so frees up an LU. The TN3270 > server has parameters. Examples from my z/OS 1.10 system: > > TELNETPARMS > PORT 3023 ; > CODEPAGE ISO8859-1 IBM-1047 > FULLDATATRACE > INACTIVE 28800 > PRTINACTIVE 600 > TIMEMARK 600 > SCANINTERVAL 120 > SMFINIT TYPE119 > SMFTERM TYPE119 > LUSESSIONPEND > ; Define logon mode tables to be the defaults shipped with the > ; latest level of VTAM > TELNETDEVICE 3278-2-E NSX32702 > TELNETDEVICE 3279-2-E NSX32702 > TELNETDEVICE 3278-3-E NSX32703 > TELNETDEVICE 3279-3-E NSX32703 > TELNETDEVICE 3278-4-E NSX32704 > TELNETDEVICE 3279-4-E NSX32704 > TELNETDEVICE 3278-5-E NSX32705 > TELNETDEVICE 3279-5-E NSX32705 > ; WLMCLUSTERNAME TN3270E ENDWLMCLUSTERNAME > ENDTELNETPARMS > BEGINVTAM PORT 3023 > ; Define the LUs to be used for general users. > DEFAULTLUS > DCCVDTAA..DCCVDTAZ..FFFFFFAA > ENDDEFAULTLUS > LINEMODEAPPL TSO ; Send all line-mode terminals directly to TSO. > ALLOWAPPL TSO* DISCONNECTABLE ; Allow all users access to TSO > ; applications. > ; TSO is multiple applications all beginning with TSO, > ; so use the * to get them all. If a session is closed, > ; disconnect the user rather than log off the user. > ALLOWAPPL * ; Allow all applications that have not been > ; previously specified to be accessed. > > ; Map Telnet sessions from this node to display USSTXBSC screen. > USSTCP USSTXBSC > ; > ENDVTAM > > The above requires a VTAM defination for LUs DCCVDTAA..DCCVDTAZ - 26 LUs. > We do this with a major VTAM node similar to: > > D08ACCES VBUILD TYPE=APPL APPLICATION MAJOR NODE > * > D08VDTA? APPL ACBNAME=DCCVDTA?, TCP/IP VIRTUAL TERMINAL DEFINITION + > MODETAB=MODETABP, + > VPACING=1,AUTH=(VPACE),EAS=10 > > This is a very stripped down example. But the 27th attempted concurrent > connections would get your message because all the 3270 LUs are in use. > > -- > John McKown > Systems Engineer IV > IT > > Administrative Services Group > > HealthMarkets(r) > > 9151 Boulevard 26 * N. Richland Hills * TX 76010 > (817) 255-3225 phone * > [email protected] * > www.HealthMarkets.com<http://www.healthmarkets.com/> > > Confidentiality Notice: This e-mail message may contain confidential or > proprietary information. If you are not the intended recipient, please > contact the sender by reply e-mail and destroy all copies of the original > message. HealthMarkets(r) is the brand name for products underwritten and > issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake > Life Insurance Company(r), Mid-West National Life Insurance Company of > TennesseeSM and The MEGA Life and Health Insurance Company.SM > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List > > [mailto:[email protected]] On Behalf Of jagadishan perumal > > Sent: Wednesday, April 06, 2011 2:14 AM > > To: [email protected] > > Subject: No LUs available > > > > Hi, > > > > In our shop many users are not able to connect the Mainframe. > > While doing > > telnet they get an error saying " NO LUs available please try > > again later". > > we have checked the TSO region and it is very well running. > > > > Any idea to resolve. > > > > Regards, > > Jags > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: GET IBM-MAIN INFO > > Search the archives at http://bama.ua.edu/archives/ibm-main.html > > > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
