GS
# Backup instance information
system-identifier = 0
xlog-seg-size = 16777216
# Connection parameters
pgdatabase = postgres
# Replica parameters
replica-timeout = 5min
# Archive parameters
archive-timeout = 5min
# Logging parameters
log-level-console = INFO
log-level-file = OFF
log-filename = pg_probackup.log
log-rotation-size = 0TB
log-rotation-age = 0d
# Retention parameters
retention-redundancy = 0
retention-window = 5
wal-depth = 0
# Compression parameters
compress-algorithm = none
compress-level = 1
# Remote access parameters
remote-proto = ssh
pgdata
, и system-identifier
некорректный