Using the MVS DUMP command

You can issue the MVS DUMP command from the console to dump an Environment Services System Services (ESSS) address space, a CMAS, or a MAS. Use the JOBNAME= or ASID= keyword to identify one or more address spaces and the DSPNAME= keyword to request data space dumps. Use the DSPNAME= keyword with a data space name of *, for example DSPNAME=('EYUX550'.*), to select all data spaces for the ESSS address space unless directed otherwise by IBM support.

If you take a dump by using the MVS DUMP command, ensure that you take a dump of the ESSS and its data spaces too. This is because the ESSS address space owns all CICSPlex® SM data spaces.

If you request a dump of data spaces, you must also dump the DMDS SYSID data space.

Data space names take the form:

cmpnsysid

where:

cmp: Is either the three-character identifier of the component that uses the data space or DMDS, for the data cache main data space, which has controlling information for all data spaces. For a list of component identifiers, see Major components of CICSPlex SM and their 3-character identifiers.
n: Is the sequential number of a component data space.
sysid: Is the four-character system ID of the associated CMAS.

Note: You can use the MVS DISPLAY JOBS command to display the ASID of the ESSS address space (EYUX550) and the names of data spaces. For example:

D J,EYUX550

Sample DUMP command

The following example is a sample DUMP command that you can use:


DUMP COMM=(DumpTitle)
R xxx,JOBNAME=(cmas,mas1,mas2,EYUX###),DSPNAME=('EYUX###'.*),CONT
R xxx,SDATA=(ALLNUC,LPA,LSQA,PSA,RGN,SQA,TRT,CSA,GRSQ,SUM),END

where EYUX### is the version of CICSPlex SM you are using (for example, EYUX550).

You can add extra MAS names to the JOBNAME parameter as shown in this example.