3381915 - /hana/log full due to huge number of RetainedFree log segments

You notice your primary system's log volume became full and there are huge number of RetainedFree log segments exist.

When checked indexserver trace, you can see the information like below.

[12369]{-1}[-1/-1] 2023-08-21 02:18:26.699536 e sr_dataaccess    DisasterRecoveryPrimaryImpl.cpp(01170) : Listener cannot be started, because port 40003 is already in use!

[12369]{-1}[-1/-1] 2023-08-21 02:18:26.699545 e sr_dataaccess    DisasterRecoveryPrimaryImpl.cpp(01171) : A system replication primary uses replication ports in the range of the next instancenr (own=99, next=100)

[12369]{-1}[-1/-1] 2023-08-21 02:18:26.699548 e sr_dataaccess    DisasterRecoveryPrimaryImpl.cpp(01172) : Please check, that there is no other system on this machine using instancenr 100! This is just a hint and possibly not the root cause ..

[12369]{-1}[-1/-1] 2023-08-21 02:18:26.699549 e sr_dataaccess    DisasterRecoveryPrimaryImpl.cpp(01173) : In general the port range 40000-40099 must not be used by any other process when system replication is turned on!

• SAP HANA PLATFORM 1.0
• SAP HANA PLATFORM 2.0

RetainedFree, port, range, ip_local_reserved_ports , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem