OEM 13c Agent Creates Many OraInstall_Timestamp Directories in /tmp

For Oracle Enterprise Manager 13c agent, it creates many directories and files under /tmp of Linux server:

...
..
.
drwxr-----. 2 oracle oinstall 46 Sep 18 10:05 OraInstall2019-09-18_10-05-53AM
drwxr-----. 2 oracle oinstall 46 Sep 18 10:05 OraInstall2019-09-18_10-05-57AM
drwxr-----. 2 oracle oinstall 46 Sep 18 10:06 OraInstall2019-09-18_10-06-02AM
drwxr-----. 2 oracle oinstall 46 Sep 19 10:05 OraInstall2019-09-19_10-05-49AM
drwxr-----. 2 oracle oinstall 46 Sep 19 10:05 OraInstall2019-09-19_10-05-53AM
drwxr-----. 2 oracle oinstall 46 Sep 19 10:05 OraInstall2019-09-19_10-05-57AM
drwxr-----. 2 oracle oinstall 46 Sep 19 10:06 OraInstall2019-09-19_10-06-01AM
$ cd OraInstall2019-09-19_10-06-01AM

$ ls -ltr
total 4
-rw-r-----. 1 oracle oinstall 129 Sep 19 10:06 nextgen2019-09-19_10-06-01AM.log

$cat nextgen2019-09-19_10-06-01AM.log
2019-09-19 10:06:01,829 INFO [1] oracle.sysman.oii.oiio.oiiol.OiiolTextLogger - OiicStandardInventorySession(OPatch,13.8.0.0.0)

CAUSES

It is a bug for OEM 13c agent which tries to collect ORACLE_HOME configurations, etc.

SOLUTION

  1. Apply patch 26916222.
  2. Manually or using a cronjob to delete those files.

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