3190674 - A failed Backint based full backup could cause a hang on Esserver - SAP Dynamic Tiering

If Backint, based full backup, fails for whatever reason, Esserver could hang.

If this example below, a network issue occurs with "broken pipe" error.

Excerpt from esserver_console_hostname.30012.000.trc

esserver UNKNOWN(0) : Failed to write pipe /usr/sap/HBP/SYS/global/hdb/backint/DB_HBP/COMPLETE_DATA_BACKUP_20220211_17_16_07_databackup_1024_1_1644599767916_2 during BACKUP using BACKINT Broken pipe
esserver UNKNOWN(0) : Starting checkpoint of "HBP" (HBP.db) at Sat Feb 12 2022 03:03
esserver UNKNOWN(0) : Finished checkpoint of "HBP" (HBP.db) at Sat Feb 12 2022 03:03
esserver UNKNOWN(0) : Failed to write pipe /usr/sap/HBP/SYS/global/hdb/backint/DB_HBP/COMPLETE_DATA_BACKUP_20220211_17_16_07_databackup_1024_1_1644599767916 during BACKUP using BACKINT Broken pipe
esserver UNKNOWN(0) : Calling Close BkintHandle::Close 

Excerpt from esserver_hostname.30012.001.trc

esserver UNKNOWN(0) : Internal error: st_txnMgr::SetActiveMinCID active txn: txnID = 1843376324 state ACTIVE, versionIDSourceHole 0, versionID = 1843376324 < new minCID = 1843436809
esserver UNKNOWN(0) : Internal error: st_txnMgr::SetActiveMinCID no hole source active txn: txnID = 1843376324  versionIDSourceHole 0, versionID = 1843376324
esserver UNKNOWN(0) :  2022-02-12 03:02:46.745772 Exception Thrown from dblib/db_backup.cxx:2398, Err# 4, tid 930 origtid 930
esserver UNKNOWN(0) :    O/S Err#: 0, ErrID: 4098 (db_sqlexception); SQLCode: -1012002, SQLState: 'QUA02', Severity: 14
esserver UNKNOWN(0) : [20925]: Unable to write to archive. ('Failed to write pipe /usr/sap/HBP/SYS/global/hdb/backint/DB_HBP/COMPLETE_DATA_BACKUP_20220211_17_16_07_databackup_1024_1_1644599767916_2 dur') 
-- (dblib/db_backup.cxx 2398) 
esserver UNKNOWN(0) : P:8 RET 1 (exception thrown)
esserver UNKNOWN(0) : P:58 RET 1 (exception thrown)
esserver UNKNOWN(0) : P:71 RET 1 (exception thrown)

SAP DT 2.0

820610 , CR820610 , CR#820610 , backint, "full backup", esserver, hang, "broken pipe", BkintHandle::piOpen(), backup, cancel, , KBA , HAN-DYT , SAP HANA Dynamic Tiering , Problem