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Cisco Bug: CSCvv41720 - SLM service restarts when performing a backup

Last Modified

Sep 09, 2020

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

12.5(1.11900.146)

Description (partial)

Symptom:
+ The Smart License Manager service restarts when a backup is being generated. 
+ The SLM service restarts regardless of the backup type (manual/scheduled).
+ The SLM restarts once the CUCM starts backing up the SLM component.

+ Per DRF logs:
2020/05/26 04:09: slm_pre_backup.py :INFO:Start
2020/05/26 04:09: slm_pre_backup.py :INFO:LOGFILE -/common/drf/backup.log
2020/05/26 04:09: slm_pre_backup.py :INFO:Index value - [156]
2020/05/26 04:09: slm_pre_backup.py :INFO: Cisco Smart License Manager service stopped successfully.
2020/05/26 04:09: slm_pre_backup.py :INFO:Ready for backup
/usr/local/cm/.security/slm/
/usr/local/cm/.security/slm/ios_core.p7b
/usr/local/cm/.security/slm/keys/
2020/05/26 04:09: slm_do_backup.py :INFO:Start
2020/05/26 04:09: slm_do_backup.py :INFO:COMPONENT -SLM
2020/05/26 04:09: slm_do_backup.py :INFO:SLM Backup Files - /usr/local/cm/.security/slm/
2020/05/26 04:09: slm_do_backup.py :INFO:return value -0
2020/05/26 04:09: slm_do_backup.py :INFO:SLM Backup Success !!!
2020/05/26 04:09: slm_post_backup.py :INFO:Start
2020/05/26 04:09: slm_post_backup.py :INFO:logfile -/common/drf/backup.log
2020/05/26 04:10: slm_post_backup.py :INFO: Cisco Smart License Manager service started successfully.
2020/05/26 04:10: slm_post_backup.py :INFO:backup is completed

From the system-history.log: 
05/26/2020 04:00:06 | root: DRS Backup UCMVersion:12.5.1.11900-146 Start
05/26/2020 04:10:31 | root: DRS Backup UCMVersion:12.5.1.11900-146

SLM service is stopped because state.yml gets backed up as well during slm backup and state.yml keeps changing every minute if its in evaluation mode.

This is working as expected due to different security reasons. This is an enhancement to include the automatic  restart of SLM when performing a backup in the documentation.

Conditions:
CUCM version: 12.0 and 12.5
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