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Log and Diagnostic File Management on Database Cloud Service is not Functioning as Expected and Causing Root Filesystem Occupying 100% (Doc ID 2415429.1)

Last updated on JUNE 26, 2018

Applies to:

Oracle Database Cloud Service - Version N/A to N/A [Release 1.0]
Linux x86-64

Symptoms

Here customer noticed that their root filesystem occupying 100%.
Since this is an associated DBCS service instance for an SOA environment, this is impacting backups and no instances are able to be backed up.

During our investigation we observed the following:

1. cleandblogs.pl script is not functioning.
2. There is no procedure/ function to handle the variable ossLogRetention
3. There are no default values for ossLogRetention
4. The version of cleandblogs.pl is different from their Universal Credits environment
5. In addition to this the gold image used for provisioning still exists under /scratch/db. This was occupying 4.2GB.

[root@host ~]# df -hT
Filesystem Type Size Used Avail Use% Mounted on
/dev/test/vg_main-lv_root
ext4 19G 18G 0 100% / <-------------------------- Root filesystem occupying 100%
tmpfs tmpfs 15G 0 15G 0% /dev/shm
/dev/xvdb1 ext4 477M 69M 379M 16% /boot
/dev/xvde1 ext4 59G 17G 40G 30% /u01
/dev/test/dataVolGroup-lvol0
ext4 1008G 71G 887G 8% /u02
/dev/test/fraVolGroup-lvol0
ext4 1.7T 796G 831G 49% /u03
/dev/test/redoVolGroup-lvol0
ext4 152G 3.4G 141G 3% /u04

Cause

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