Deprecations on z/OS in IBM MQ 9.1.0

Buffer pools located below the bar

This deprecation applies to buffer pools which were not defined with the LOCATION/LOC attribute, or were defined with LOCATION(BELOW).

You should define new buffer pools with LOCATION(ABOVE), and alter existing buffer pools so that they use LOCATION(ABOVE).

See DEFINE BUFFPOOL for more information on defining a buffer pool, and ALTER BUFFPOOL for more information on altering a buffer pool.

Note that a future release will ignore the value of the LOCATION attribute, and all buffer pools will be located above the bar.

MAKECLNT CSQUTIL tool

The MAKECLNT CSQUTIL tool was stabilized at the IBM WebSphere® MQ 7.1 level and is now deprecated. You should use runmqsc -n instead. For further information, see runmqsc.

Use of queue sharing groups with Db2 table spaces of any type other than universal table spaces

Db2® 11 deprecated support for any table space type that was not a universal table space. Support for queue sharing groups using non-universal table spaces is now deprecated; you should consider migrating existing table spaces to universal table spaces if possible. If you are creating a new queue sharing group, ensure that you use the samples that define universal table spaces.

See Planning your Db2 environment for more information.

Using hexadecimal strings in the SSLCIPH attribute

In a future release, the SSLCIPH attribute on a channel definition will not accept hexadecimal string values. Only IBM MQ cipher strings will be accepted.