root@backupserver:~/backup-tools# pg_probackup-10 show -B /backup/postgresql/backup --instance database============================================================================================================== Instance  Version  ID  Recovery Time  Mode  WAL  Current/Parent TLI  Time  Data  Start LSN  Stop LSN  Status==============================================================================================================root@backupserver:~/backup-tools#backupserver:~/backup-tools# pg_probackup-10 \>         backup \>         -B \>         /backup/postgresql/backup \>         --stream \>         -j \>         1 \>         --retention-redundancy=14 \>         --delete-expired \>         --delete-wal \>         --instance \>         database \>         --remote-host \>         databaseserver \>         --remote-user \>         postgres \>         -U \>         probackup \>         -d \>         pg_probackup \>         --log-level-file=verbose \>         --log-filename=database-20190726T182724.log \>         --log-directory=/backup/postgresql/backup/log/database \>         --log-rotation-age=0 \>         --ssh-options='-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o ServerAliveInterval=60 -o ServerAliveCountMax=5' \>         --compress \>         --compress-level \>         1 \>         --backup-mode=DELTAINFO: Backup start, pg_probackup version: 2.1.3, backup ID: PV9J42, backup mode: delta, instance: database, stream: true, remote trueERROR: Valid backup on current timeline is not found. Create new FULL backup before an incremental one.WARNING: Backup PV9J42 is running, setting its status to ERRORbackupserver:~/backup-tools# pg_probackup-10 show -B /backup/postgresql/backup --instance database======================================================================================================================= Instance   Version  ID      Recovery Time  Mode   WAL     Current/Parent TLI  Time  Data  Start LSN  Stop LSN  Status======================================================================================================================= database  10       PV9J42  ----           DELTA  STREAM  1 / 0                 0s    0B        0/0       0/0  ERRORbackupserver:~/backup-tools# pg_probackup-10 \>         backup \>         -B \>         /backup/postgresql/backup \>         --stream \>         -j \>         1 \>         --retention-redundancy=14 \>         --delete-expired \>         --delete-wal \>         --instance \>         database \>         --remote-host \>         databaseserver \>         --remote-user \>         postgres \>         -U \>         probackup \>         -d \>         pg_probackup \>         --log-level-file=verbose \>         --log-filename=database-20190726T182724.log \>         --log-directory=/backup/postgresql/backup/log/database \>         --log-rotation-age=0 \>         --ssh-options='-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o ServerAliveInterval=60 -o ServerAliveCountMax=5' \>         --compress \>         --compress-level \>         1 \>         --backup-mode=FULLINFO: Backup start, pg_probackup version: 2.1.3, backup ID: PV9J61, backup mode: full, instance: database, stream: true, remote trueINFO: Start transfering data filesINFO: Data files are transferedINFO: wait for pg_stop_backup()INFO: pg_stop backup() successfully executedINFO: Validating backup PV9J61INFO: Backup PV9J61 data files are validINFO: Backup PV9J61 completedINFO: Evaluate backups by retentionINFO: Backup PV9J61, mode: FULL, status: OK. Redundancy: 1/14, Time Window: 0.00d/0d. ActiveINFO: Backup PV9J42, mode: DELTA, status: ERROR. Redundancy: 2/14, Time Window: 0.00d/0d. ActiveERROR: Not going to purge WAL because LSN is invalidbackupserver:~/backup-tools# echo $?1root@backupserver:~/backup-tools# pg_probackup-10 show -B /backup/postgresql/backup --instance database==================================================================================================================================== Instance   Version  ID      Recovery Time           Mode   WAL     Current/Parent TLI  Time   Data   Start LSN    Stop LSN  Status==================================================================================================================================== database  10       PV9J61  2019-07-26 18:54:46+00  FULL   STREAM  1 / 0                50s  296MB  4/1B000028  4/1B00BD50  OK database  10       PV9J42  ----                    DELTA  STREAM  1 / 0                 0s     0B         0/0         0/0  ERROR