[postgres@db-pgsql]$ pg_probackup-13 backup -B /backup/pgsql/13 --instance vns -b FULL --streamINFO: Backup start, pg_probackup version: 2.4.15, instance: vns, backup ID: QYSRQR, backup mode: FULL, wal mode: STREAM, remote: false, compress-algorithm: none, compress-level: 1WARNING: This PostgreSQL instance was initialized without data block checksums. pg_probackup have no way to detect data block corruption without them. Reinitialize PGDATA with option '--data-checksums'.WARNING: Current PostgreSQL role is superuser. It is not recommended to run backup or checkdb as superuser.INFO: wait for pg_start_backup()INFO: Wait for WAL segment /backup/pgsql/13/backups/vns/QYSRQR/database/pg_wal/00000001000000000000001E to be streamedINFO: PGDATA size: 39MBINFO: Start transferring data filesINFO: Data files are transferred, time elapsed: 0INFO: wait for pg_stop_backup()INFO: pg_stop backup() successfully executedINFO: Syncing backup files to diskINFO: Backup files are synced, time elapsed: 0INFO: Validating backup QYSRQRINFO: Backup QYSRQR data files are validINFO: Backup QYSRQR resident size: 71MBINFO: Backup QYSRQR completed[postgres@db-pgsql]$[postgres@db-pgsql]$ pg_probackup-13 backup -B /backup/pgsql/13 --instance laps -b FULL --streamINFO: Backup start, pg_probackup version: 2.4.15, instance: laps, backup ID: QYSRSG, backup mode: FULL, wal mode: STREAM, remote: false, compress-algorithm: none, compress-level: 1WARNING: This PostgreSQL instance was initialized without data block checksums. pg_probackup have no way to detect data block corruption without them. Reinitialize PGDATA with option '--data-checksums'.WARNING: Current PostgreSQL role is superuser. It is not recommended to run backup or checkdb as superuser.INFO: wait for pg_start_backup()INFO: Wait for WAL segment /backup/pgsql/13/backups/laps/QYSRSG/database/pg_wal/000000010000000000000020 to be streamedINFO: PGDATA size: 39MBINFO: Start transferring data filesINFO: Data files are transferred, time elapsed: 0INFO: wait for pg_stop_backup()INFO: pg_stop backup() successfully executedINFO: Syncing backup files to diskINFO: Backup files are synced, time elapsed: 1sINFO: Validating backup QYSRSGINFO: Backup QYSRSG data files are validINFO: Backup QYSRSG resident size: 71MBINFO: Backup QYSRSG completed[postgres@db-pgsql]$[postgres@db-pgsql]$ ll /datadata1/ data2/ data3/[postgres@db-pgsql]$ ll /data3/pgsql/13/lapsdata/pg_wal/합계 32768-rw------- 1 postgres postgres 16777216  9월  2 15:22 000000010000000000000004-rwx------ 1 postgres postgres 16777216  9월  2 15:22 000000010000000000000005drwx------ 2 postgres postgres        6  9월  2 15:22 archive_status[postgres@db-pgsql]$[postgres@db-pgsql]$ cat /backup/pgsql/13/backups/laps/pg_probackup.conf# Backup instance informationpgdata = /data3/pgsql/13/lapsdatasystem-identifier = 6999874746676600137xlog-seg-size = 16777216[postgres@db-pgsql]$

[postgres@db-pgsql]$ pg_probackup-13 show -B /backup/pgsql/13/BACKUP INSTANCE 'vns'================================================================================================================================== Instance  Version  ID      Recovery Time           Mode  WAL Mode  TLI  Time  Data   WAL  Zratio  Start LSN   Stop LSN    Status================================================================================================================================== vns       13       QYSRQR  2021-09-02 17:04:04+09  FULL  STREAM    1/0    5s  23MB  48MB    1.00  0/1E000028  0/1E000168  OKBACKUP INSTANCE 'laps'================================================================================================================================== Instance  Version  ID      Recovery Time           Mode  WAL Mode  TLI  Time  Data   WAL  Zratio  Start LSN   Stop LSN    Status================================================================================================================================== laps      13       QYSRSG  2021-09-02 17:05:05+09  FULL  STREAM    1/0    6s  23MB  48MB    1.00  0/20000028  0/20000168  OK[postgres@db-pgsql]$

[postgres@db-pgsql]$ psql --port=5432 --command='select pg_current_wal_lsn()' pg_current_wal_lsn-------------------- 0/21000148(1개 행)[postgres@db-pgsql]$ psql --port=5433 --command='select pg_current_wal_lsn()' pg_current_wal_lsn-------------------- 0/4000148(1개 행)[postgres@db-pgsql]$