Solution : https://service.sap.com/sap/support/notes/98051 (SAP Service marketplace login required)
Key words :
log byy=> work process left reconnect state [dblnk 1467], log bym=> severe db error 12571 work process, rsdb/reco_trials = 3 rsdb/reco_sleep_time = 5you, high availability database solutions require, log bv4=> reconnect state, profile parameter rsdb/reco_add_error_codes, ensure correct reconnect behavior, 31h kernel patch level 84, profile parametersthe default values, repetitive database accesses determine
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