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Status Delivered
Workspace PowerHA for AIX
Created by Guest
Created on Apr 11, 2018

Request to Change the design of powerHA Smart assit for Oracle which depends on /tmp fs to setup temp files to elsewhere

Customer wants to change the design code of powerHA smart assist for oracle which depends on /tmp fs to setup temp files to elsewhere.
Customer had regular outages in recent days due to /tmp fs getting full since any (non-previleged) user/Application user can fill /tmp filesystem.
In such conditions "smart assist for Oracle" is unable to create temp files in /tmp which leads to failure of Application monitoring.

From the powerHA script /usr/es/sbin/cluster/sa/oracle/sbin/DBUtilities We can see that powerHA is relying on /tmp fs as below.
typeset loadfile=/tmp/sqlplus.load.$$
typeset rc_file=/tmp/sqlplus.result.$$
typeset envfile=/tmp/sqlplus.env.$$
typeset envfile=/tmp/sqlplus.env.$$
typeset loadfile=/tmp/sqlplus.load.$$
typeset rc_file=/tmp/sqlplus.result.$$

We had already opened "PMR: 01385,832,832" where IBM labs suggested to create a RFE for above problem.

Customer wants IBM to change the "powerHA Smart assist for Oracle" depending on /tmp fs to setup temp files to elsewhere./tmp filesystem can be filled by any non previliged user
and that should not lead to the downtime of Application/Database.

Please be noted that Customer raised concern that they do not see issues when /tmp fs is full with Veritas Cluster Manger used for High Availablity for Oracle.

Idea priority Medium
  • Guest
    Aug 12, 2021

    .This functionality has been delivered with PowerHA 7.2.5.
    Please refer to the following link

    Oracle temporary file removal

    During discovery, start, stop, and monitoring operations of PowerHA SystemMirror Smart Assist for Oracle, temporary files are created in the /tmp directory. However, system failure might occur due to increase in size of the /tmp directory and low availability of free space. In PowerHA SystemMirror Version 7.2.5, or later, you can use the PowerHA SystemMirror default log directory for intermediate file operations.