Create matching WORKDIR by running job IPVMKDIR

The IPVMKDIR job creates a work directory to be used with the server. It is supplied in the sample library hlq.SIPVSAM1.

IPVMKDIR creates a directory hierarchy in the following form:

/etc/ipv/v18/ipvsrv1

You can alter this to suit your site. You must update the WORKDIR statement in the server configuration to refer to the created directory. A unique path is recommended.

Tip: Do not use /tmp as a directory location.

The files in the work directory must be owned by the user ID of the ADFzCC server. The IPVMKDIR job issues the chown command to set the owner of the files and any sub-directories within the work directory. It is recommended to use a unique work directory that is not used by other program products. The file system containing the work directory must allow the user ID to be changed through the SETUID attribute. If the file system is mounted with the NOSETUID attribute, the APF extended attribute set by the IPVMKDIR job is ignored, resulting in abend code EC6 when connecting to the ADFzCC server.

Note: The IPVMKDIR job is expected to run with superuser authority. That is, IPVMKDIR must have READ access in the FACILITY class to BPX.SUPERUSER and BPX.FILEATTR.APF. The job will try to set the sticky bit attribute and the APF extended attribute. If these file attributes are not set correctly, attempts to start sessions using the ADFzCC server might fail with authorization errors or abend code EC6. After running this job you can check the extended file attribute in the job output or use the ls -E z/OS® UNIX™ command. For more information, see the IPVMKDIR sample member.

As an alternative to running the IPVMKDIR job, you can manually create the working directory and its contents by executing the following steps in z/OS® UNIX™ System Services:

Start an OMVS session as superuser.
Create the working directory. For example:
```
mkdir /etc/ipv/v18/ipvsrv1
```

Create the set of session files in the working directory using the touch command:

`touch FMNCSEP`	File Manager for z/OS®
`touch CAZLCS01`	Application Performance Analyzer for z/OS®
`touch IDIGMAIN`	Fault Analyzer for z/OS®
`touch IPVVRFY`	ADFz Common Components

Set the APF file attributes for File Manager and APA session files:
```
extattr +a FMNCSEP
extattr +a CAZLCS01
```

Set the file ownership of the work directory and session files:

chown <IPVSRV> /etc/ipv/v18/ipvsrv1
chown <IPVSRV> /etc/ipv/v18/ipvsrv1/FMNCSEP
chown <IPVSRV> /etc/ipv/v18/ipvsrv1/CAZLCS01
chown <IPVSRV> /etc/ipv/v18/ipvsrv1/IDIGMAIN
chown <IPVSRV> /etc/ipv/v18/ipvsrv1/IPVVRFY

Where <IPVSRV> is the user ID that will run the ADFzCC server started task.

Set the file permissions for the work directory and session files:

chmod 755 /etc/ipv/v18/ipvsrv1
chmod 755 FMNCSEP
chmod 755 CAZLCS01
chmod 755 IDIGMAIN
chmod 755 IPVVRFY

Set the sticky bit file attribute for all session files:
```
chmod +t FMNCSEP
chmod +t CAZLCS01
chmod +t IDIGMAIN
chmod +t IPVVRFY
```