CICS SIT Details

Use this page to view the details for the System Initialization Table (SIT) named sit_name.

If you have the required permissions, you can also:

Click Apply to save changes you make to the page. This button is displayed only if you have permission to edit the SIT.

Name

Shows the name of the SIT.

Description

Specify a short description of the SIT. The SIT description can contain the characters A-Z, 0-9, #, @, and $.

Startup List

Choose the startup list that you want to associate with this SIT from the dropdown list. The startup list determines which resources are loaded when the server is initialized.

Work Area

Specify the size of the region's common work area (CWA) in bytes in the range 0 through 32767. This area is shared among applications running in the region (enterprise server).

SysID

Specify the system ID of the region (enterprise server). (This is the name by which it is known to other regions.)

Initial Tran ID
Specify the ID of an initial transaction that runs on every terminal when it logs on to the region.
GMTRAN
Specify what to do when F3 or CLEAR is pressed on the CICS Signon transaction CESN/CESL. You can specify either Exit (default) or Disconnect (will disconnect the TN3270 terminal from the region).
Local CCSID
The number of the CCSID to use for CICS Web services. The value must correspond to an EBCDIC CCSID. See CCSID Conversion Tables for further details.
NQRNL
Set to Yes if you want the global resource serialization to perform RNL processing, searching an appropriate RNL to determine the scope of the resource. Set to No by default.
Auto Install Exit

Specify the name of the program to be used to autoinstall terminals. Choose from:

  • DFHZATDX - the autoinstall program supplied with MSS. This is the default value.
  • user-specified - the name of your autoinstall exit program. Up to 8 characters from 0 through 9, A through Z, @, # and $. The first character must not be numeric.
Date Format

Choose the display format used to display the date. This is used in conjunction with the FULLDATE (for four-digit years) or DATE (for two-digit years) operands of the EXEC CICS FORMATTIME command. This setting only determines the order of day, month, and year; it does not prevent four digits from being displayed.

Reset time
Specify the action that CICS should take to handle automatic time changes:
Immediate
The system detects a timezone (date) change at any time. It then changes the clock in the region on the next transaction which is started.
No
The system detects a timezone change at midnight and writes a notification in the console.log. You then need to run a transaction that will issue the PERFORM RESETTIME for the time to be changed.
Yes
The system detects a timezone change at midnight and automatically resets the clock.
3270 Print

Check this to indicate that the region supports a printer.

3270 SNA Simulate end-bracket

Check this if you want MSS to simulate SNA end-of-transaction keyboard unlock. You might want to do this if you have migrated applications that were accessed on the mainframe from SNA devices and are now using TN3270 clients to access them. It is an alternative to specifying the free keyboard bit in the CTLCHAR operand of the SEND 3270 CICS command.

Remote 3270

Check this to indicate that when a remote CICS region handles a START request shipped to it by this CICS region, and the terminal that should be started is not defined on the remote system, the remote region should assume that the terminal is defined on the originating system and should start a terminal anyway. If you leave this unchecked, the remote system returns a TERMIDERR to the originating region.

Separators

Specify Date for the character used to separate the day, month and year components of the date. You can specify any displayable character.

Specify Time for the character used to separate the hours, minutes and seconds components of the time. You can specify any displayable character.

Addressing
Specify the format in which pointers are stored.

Native: pointers are stored in the format used by the operating system.

24: pointers are stored in a 24-bit format. This format is compatible with "below-the-line" storage on the mainframe, in which the top eight bits of the pointer are masked off when the address of a linkage item is set from the pointer. This means that the top eight bits can be manipulated directly by the user's code.

31: pointers are stored in a 31-bit format. This format is compatible with "above-the-line" storage on the mainframe, in which the top bit of the pointer is masked off when the address of a linkage item is set from the pointer. This means that the top bit can be manipulated directly by the user's code.

TCP Connect: Yes, Port

Not used.

ID Timeout

Specify the time in minutes that the system will allow an ESMAC or TN3270 client session to remain idle before logging off the user. A value of 0 indicates that there is no timeout. You can override this value at runtime by changing the ID Timeout on the ESMAC Control screen.

IBM Client

Check Yes to indicate that an IBM Universal Clients gateway is to be established when the region starts up.

Use Port to specify the TCP/IP port number to use for the Universal Clients gateway. This must match the TCP/IP port number you specify in the Universal Clients configuration file except that if you use the defaults, the value in the configuration file is 0 whereas the value here is 1435.

Use Count to specify the number of sessions you want allocated to servicing inbound requests per connection, where connection corresponds to a client machine.

Input Timeout

Specify the maximum time in seconds allowed for operator response to an explicit CICS RECEIVE command before the transaction is abended. A value of 0 indicates that there is no timeout. You can override this value at runtime by changing the Input Timeout on the ESMAC Control screen. You can also override this value for an individual transaction through the relevant Program Control Table entry.

Local Trace Entry Count (MFCS)

Specify the number of entries the local trace table for service execution processes can hold before it wraps back to the start. A value of 0 (zero) means that no local trace table is allocated. Each service execution process has its own local trace table. Each entry is 24 bytes long.

The default is the value specified in Local Trace Size on the Server > Properties > Diagnostics page in ES Admin. If you specify a value here it overrides that value.

Runaway Timeout

Specify the maximum continuous period of time in seconds that the region will allow a transaction to run without making a CICS, EZASOKET or WebSphere MQ API call. When this time is exceeded, the transaction is abended. A value of 0 indicates that there is no timeout. You can override this value at runtime by changing the Runaway Timeout on the ESMAC Control screen. You can also override this value for an individual transaction through the relevant Program Control Table entry.

Local Trace Entry Count (AUX)

Specify the number of entries the local trace table for auxiliary processes can hold before it wraps back to the start. A value of 0 (zero) means that no local trace table is allocated. Auxiliary processes include processes that handle journal control, extra-partition transient data, etc. Each auxiliary process has its own local trace table. Each entry is 24 bytes long.

The default is the value specified in Local Trace Size on the Server > Properties > Diagnostics page in ES Admin. If you specify a value here it overrides that value.

Deadlock Timeout

Specify the maximum time in seconds that the region will permit an application to wait for a resource that has been locked by another process. A value of 0 indicates that there is no timeout. You can override this value at runtime by changing the Deadlock Timeout on the ESMAC Control screen. You can also override this value for an individual transaction through the relevant Program Control Table entry.

Transaction Threshold

Specify the maximum length of time in seconds that a transaction can run before a message is logged to the console to indicate that it has exceeded its threshold. A value of 0 indicates that there is no threshold.

The Transaction Threshold value can be overridden using the Transaction Threshold field of a PCT entry.

IBM MQ
Note: This field is now deprecated. Define the queue manager name on the MQ Listener tab.

Check this to enable support for IBM WebSphere MQ®.

See Configuring Enterprise Server for IBM WebSphere MQ for more information.

Q Manager
Note: This field is now deprecated. Define the queue manager name on the MQ Listener tab.

Specify the name of the IBM WebSphere MQ® queue manager. Can be up to 48 characters.

IBM MQ CKTI
Note: This field is now deprecated. Define the queue name on the MQ Listener tab.

Check this to enable the transaction CKTI, which monitors the IBM WebSphere MQ® initiation queue.

Initiation Q
Note: This field is now deprecated. Define the queue name on the MQ Listener tab.

Specify the name of the IBM WebSphere MQ® initiation queue. Can be up to 48 characters.

Print Destination

Specify the printer destination, up to 14 characters in length. You must check 3270 Print before you specify a printer destination.

Program Lists

Use Post Initialization to specify a program list table (PLT) entry that specifies the initialization programs to be run when the region is started. If you leave this field blank then no special processing is done when the region is started.

Use Shut Down to specify a program list table (PLT) entry that specifies the shutdown programs to be run when the region is stopped. If you leave this field blank then no special processing is done when the region is stopped.

Fileshare

Check this to create a dedicated Fileshare server process as part of region startup.

Fileshare User

Specify the user ID to be used by the region to log on to all Fileshare servers that MSS is configured to use. Can be up to 20 characters. You should specify a user ID only if Fileshare security is enabled. If you specify a user ID, you must also specify a password in Password. The user ID and password combination must correspond to an entry in the password file of each Fileshare server the region is to access.

For more information about Fileshare security, see the chapter Security in the Fileshare Guide.

Password

Specify the 20-character password used in conjunction with User ID to log on to all Fileshare servers that MSS is configured to use. There are two password fields; you need to enter the password in both fields, and the two entries must match. Can be up to 20 characters.

Ext. Shutdown

Choose the type of external shutdown that you want. An external shutdown is a shutdown of the server initiated by you clicking Shutdown on the Control page, Stop Server on the Enterprise Server Administration Server Details page, or issuing a casstop command. You can choose from:

  • Allowed: no special privileges are required
  • Logon: a successful logon must be made first
  • None: no external shutdown is allowed
Note: If you choose Logon, you cannot shut down the server by clicking Stop Server on the Enterprise Server Administration Server Details page. You must use casstop and must supply an ESMAC user ID and password.
Ext. Shutdown, Security Key

Specify a security key number. MSS checks this against the shutdown security key specified when you shut down the region. You need to specify a security key number only if you choose Logon in External Shutdown.

CICS Release

Choose the version of CICS that MSS is emulating. This is the number returned by an EXEC CICS INQUIRE SYSTEM RELEASE () command.

Program

Check this to have MSS reload programs each time they are invoked. This applies only to programs that are not marked resident and have not been loaded with the hold attribute.

Development SIT

Check this to indicate that this is a development SIT. The effect of this is:

  • If you have defined a group with the same name as the SIT, the group is automatically added to the startup list
  • Security is turned off even if the group has security turned on
Terminal

Check this to have MSS wait on each terminal control or BMS SEND operation until it receives a response. If you leave the box unchecked (the default) MSS does not wait on each SEND, thus enabling terminal control and send operations to be buffered, which improves performance.

Commarea

Specify the minimum amount of storage to be allocated to the communications area (COMMAREA) to allow MSS to behave like mainframe CICS. The size is in the range 0 through 32767. The effect of this is that when a program is passed a COMMAREA smaller than the COMMAREA defined in the program, the passed COMMAREA is automatically extended in length to fill the defined space.

Defer Install

Choose the number of PCT groups whose loading you want to defer.

If you choose None, all PCT entries are loaded into memory when the region starts up. This is the default.

If you choose All groups, none of the PCT entries are loaded into memory when the region starts up.

If you choose one of the other values, Last 63 groups, Last 62 groups and so on, the PCT entries in those groups are not loaded into memory when the region starts up. For example, if you choose Last 3 groups, the last three groups in the startup list's precedence order are not loaded into memory when the region starts up.

Dump On, Abend

Check this to indicate that MSS should produce a dump if an abend occurs in any of your transaction programs. If you check this field, then you can control whether or not a dump is produced for an individual program by checking or unchecking Dump on ABEND on the PCT page. If you leave this field unchecked, MSS ignores the setting of Dump on ABEND on the PCT page.

Dump On, System Abend

Check this to indicate that MSS should produce a dump if an abend occurs in its own code.

Aux Trace

Check this to indicate that trace records are to be written to a file. You should do this only if you have adequate disk space available, since the file can become very big very quickly. Writing out to a file also degrades performance.

Cold Start

Check this to indicate that the auxiliary trace and dump file is to be deleted at region startup.

Trace Points
all

Choose a setting to apply to all the trace points:

  • On - enables all trace points.
  • Off - disables all trace points.
Note: When you set all the trace points on at once, the trace points CCI, fh and fh-enable are unaffected. This is because these trace points should be used only when advised by Micro Foucs.
Server
dmp

Check this to indicate that MSS is to trace its dump control component.

tcp

Check this to indicate that MSS is to trace its terminal control component.

tmp

Check this to indicate that MSS is to trace its table management component.

exits

Check this to indicate that MSS is to trace the user exits.

fh-enable

Do not check this unless advised by Micro Focus.

msg

Check this to indicate that MSS is to trace its messages component.

fh

Do not check this unless advised by Micro Focus.

jcp

Check this to indicate that MSS is to trace its journal control component.

scp

Check this to indicate that MSS is to trace its storage control component.

srv

Check this to indicate that MSS is to trace SEP-hosted task control functions.

CICS
api

Check this to indicate that MSS is to trace the CICS API calls.

icp

Check this to indicate that MSS is to trace its interval control component.

pcp

Check this to indicate that MSS is to trace program management functions.

ts-td

Check this to indicate that MSS is to trace its temporary storage/transient data (TS/TD) component.

fcp

Check this to indicate that MSS is to trace its file control component.

kcp

Check this to indicate that MSS is to trace its task control component.

user

Check this to enable user trace.

Communications
cci

Do not check this unless advised by Micro Focus.

common

Check this to indicate that MSS is to trace its communications component.

Temp. Storage

Check Cold Start to indicate that MSS should reset temporary storage queues at region startup.

Specify a Fileshare server ID for non-recoverable temporary storage queues.

Path (nr)

Specify the path for non-recoverable temporary storage queues.

Recoverable (recoverable temporary storage queues)

Check Cold Start to indicate that MSS should reset temporary storage queues at region startup.

Specify a Fileshare server ID for recoverable temporary storage queues.

Path (rc)

Specify the path for recoverable temporary storage queues.

Transient Data

Check Cold Start to indicate that MSS should reset transient data queues at region startup.

Specify a Fileshare server ID for non-recoverable transient data queues.

Check Require Def. to indicate that a transaction program executing in this region can write to a transient data queue only if it has been defined in the destination control table (DCT). If this option is not checked, when a program attempts to write to a TDQ that has not been defined in the DCT, CICS will create a non-recoverable intra-partition TDQ that has no transaction associated with it. This may result in unexpected program and/or system behaviour if the intention was to write to a pre-defined TDQ of a similar name. We recommend that this option is always checked.

Path (rc)

Specify the path for recoverable temporary storage queues.

Recoverable (recoverable transient data queues)

Check Cold Start to indicate that MSS should reset transient data queues at region startup.

Specify a Fileshare server ID for recoverable transient data queues.

Path (nr)

Specify the path of for non-recoverable temporary storage queues.

Basic Mapping Page Commands

Use Retrieve to specify the character string that BMS control is to interpret as the BMS paging command RETRIEVE.

Use Chain to specify the character string that BMS control is to interpret as the BMS paging command CHAIN

Use Purge to specify the character string that BMS control is to interpret as the BMS paging command PURGE

Use Copy to specify the character string that BMS control is to interpret as the BMS paging command COPY

Single Key

For each key from PF1 through PF24 and PA1 through PA3, specify a character string on the PC to equate to a BMS paging command. Prefix the character string with the command you want to execute when the key is pressed, followed by any additional commands. For example, if the BMS PAGIN RETRIEVE command is set to /P and you want PF1 to execute a page forward, specify the /PN character string where /P executes the BMS PAGIN RETRIEVE command and N executes NEXT.

Delete

Click this to delete the current SIT. You see this button only if you have editing permissions for the SIT.

Copy

Click this to create a new SIT, based on the entries in the current SIT.

Dump

Click this to create and view dump information for this SIT.