OS Manuals

/usr/bin/pg_combinebackup

A sophisticated object-relational DBMS

From postgresql-17 17.10-r1 (os), captured 2026-11-05 by running pg_combinebackup --help (exit 0). permalink

pg_combinebackup reconstructs full backups from incrementals.

Usage:
  pg_combinebackup [OPTION]... DIRECTORY...

Options:
  -d, --debug               generate lots of debugging output
  -n, --dry-run             do not actually do anything
  -N, --no-sync             do not wait for changes to be written safely to disk
  -o, --output=DIRECTORY    output directory
  -T, --tablespace-mapping=OLDDIR=NEWDIR
                            relocate tablespace in OLDDIR to NEWDIR
      --clone               clone (reflink) files instead of copying
      --copy                copy files (default)
      --copy-file-range     copy using copy_file_range() system call
      --manifest-checksums=SHA{224,256,384,512}|CRC32C|NONE
                            use algorithm for manifest checksums
      --no-manifest         suppress generation of backup manifest
      --sync-method=METHOD  set method for syncing files to disk
  -V, --version             output version information, then exit
  -?, --help                show this help, then exit

Report bugs to <pgsql-bugs@lists.postgresql.org>.
PostgreSQL home page: <https://www.postgresql.org/>
Options (13)
OptionDescriptionSource
-d, --debuggenerate lots of debugging outputhelp
-n, --dry-rundo not actually do anythinghelp
-N, --no-syncdo not wait for changes to be written safely to diskhelp
-o, --output DIRECTORYoutput directoryhelp
-T, --tablespace-mapping OLDDIR=NEWDIRrelocate tablespace in OLDDIR to NEWDIRhelp
--cloneclone (reflink) files instead of copyinghelp
--copycopy files (default)help
--copy-file-rangecopy using copy_file_range() system callhelp
--manifest-checksums SHA{224use algorithm for manifest checksumshelp
--no-manifestsuppress generation of backup manifesthelp
--sync-method METHODset method for syncing files to diskhelp
-V, --versionoutput version information, then exithelp
-?, --helpshow this help, then exithelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.