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Mos has two related bug articles, but they are not completely consistent, and the log is not available, round robin, and the phenomenon is consistent, and it is not a problem that particularly affects the stability of the system, so you can use the following solutions:

GI ocssd.log rotation fails with error LFI-00142 and logfile grows to huge size (Doc ID 1900986.1)

Bug 18700935-LFI-142: Unable to delete an existing file [ocssd] [L10] not owned by Oracle (Doc ID 18700935.8)

Phenomenon 2020-01-14 12 u01/app/11.2.0/grid/log/ncpdb02/client/olsnodes.log 20 reopened2020 21.721: [client (78442)] CRS-0009:log file "/ u01/app/11.2.0/grid/log/ncpdb02/client/olsnodes.log" 21 721: [client (78442)] CRS-0019:file rotation terminated. Log file: "/ u01/app/11.2.0/grid/log/ncpdb02/client/olsnodes.log" 2020-01-14 12 CRS-0014:An error occurred while attempting to delete file 25 CRS-0014:An error occurred while attempting to delete file 21.763: [client (80910)] / u01/app/11.2.0/grid/log/ncpdb02/client/olsnodes.l03 "during log file rotation. Additional diagnostics: LFI-00142: Unable to delete an existing file [olsnodes] [l03] not owned by Oracle. Solve

The CSSD thread that encountered the LFI-00142 error needs to be restarted to ensure log rotation works again.

Manually deleting the logfile will not resolve the log rotation problem.

1)。 Shutdown CRS on the node reporting the problem.

# crsctl stop crs

2)。 Once CRS is down, proceed to manually delete the 'ocssd.l10' file, or copy the logfile to another location if you need to keep a backup.

# rm $GRID_HOME/log//cssd/ocssd.l10

3)。 Startup Clusterware again

# crsctl start crs

If you are NOT able to schedule downtime and file size growth in the GRID Home is causing a space issue then copy the logs to another location and do the following echo 0 > ocssd.l10

Please note this does not resolve the log rotation problem but only allows you to free up some space.

4)。 Bug 18700935 has been fixed in 11.2.0.4.5 PSU for Unix/Linux platform and 11.2.0.4.12 Bundle for Windows platform. Please apply the patch if required.

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