IBM Integration Bus, Version 9.0.0.8 Operating Systems: AIX, HP-Itanium, Linux, Solaris, Windows, z/OS

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Mounting file systems

IBM® Integration Bus requires several directories to be defined on the file system at run time.

++HOME++ is the location of the environment file (ENVFILE) used to create the runtime environment in which IBM Integration Bus runs.

++INSTALL++ refers to the IBM Integration Bus installation directories.

++COMPONENTDIRECTORY++ is the location where all deployed configuration is written to and read from by the IBM Integration Bus runtime libraries.

++JAVA++ is the location of the Java™ installation.

++MQPATH++ is the location of theWebSphere® MQ installation.

Because IBM Integration Bus can run in a shared file system sysplex environment, it is important for performance reasons that these directories are mounted locally to the LPAR in which IBM Integration Bus is started. This is particularly important for startup performance; if the IBM Integration Bus installation directories are not mounted locally, startup times can increase significantly.

You can check file system ownership from USS using the command df -v. For example, the following output shows that the broker installation file system is owned by MVS1:

  /usr/lpp/mqsi/V9R0M0:>df -v .
  Mounted on     Filesystem                Avail/Total    Files      Status
  /usr/lpp/mqsi/V9R0M0 (OMVS.PLEXS.MQSI.V800.WBIMB) 7984/806400    4294966503 
     Available
  HFS, Read/Write, Device:89, ACLS=Y
  File System Owner : MVS1        Automove=Y      Client=N
  Filetag : T=off   codeset=0

To create a directory in an already mounted file system use the mkdir command. For example:

 mkdir -p /mqsi/brokers/MQP1BRK

To mount a new file system, follow the instructions given in the z/OS UNIX System Services Planning manual.

From USS, use the following instructions:

 mkdir -p /mqsi/brokers/MQP1BRK
 mount -f MQSI.BROKER.MQP1BRK /mqsi/brokers/MQP1BRK

From TSO, use the following instructions:

 ALLOCATE DATASET('MQSI.BROKER.MQP1BRK') DSNTYPE(HFS) SPACE(5,5) DIR(1) CYL
 FREE DATASET('MQSI.BROKER.MQP1BRK')
 MOUNT FILESYSTEM('MQSI.BROKER.MQP1BRK') TYPE(HFS) 
       MOUNTPOINT('/mqsi/brokers/MQP1BRK')

Note that the preceding ALLOCATE command is an example; the dataset should be allocated the correct amount of storage as described in Disk space requirements on z/OS

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Last updated Friday, 21 July 2017