On Wed, Jun 5, 2024 at 6:26 AM Laurenz Albe <laurenz.a...@cybertec.at> wrote:
> On Wed, 2024-06-05 at 06:36 +0000, Meera Nair wrote: > > 2024-06-05 11:41:32.369 IST [54369] LOG: restored log file > "00000005000000010000006A" from archive > > 2024-06-05 11:41:33.112 IST [54369] LOG: restored log file > "00000005000000010000006B" from archive > > cp: cannot stat ‘/home/pgsql/wmaster/00000005000000010000006C’: No such > file or directory > > 2024-06-05 11:41:33.167 IST [54369] LOG: redo done at 1/6B000100 > > 2024-06-05 11:41:33.172 IST [54369] FATAL: archive file > "00000005000000010000006B" has wrong size: 0 instead of 16777216 > > 2024-06-05 11:41:33.173 IST [54367] LOG: startup process (PID 54369) > exited with exit code 1 > > 2024-06-05 11:41:33.173 IST [54367] LOG: terminating any other active > server processes > > 2024-06-05 11:41:33.174 IST [54375] FATAL: archive command was > terminated by signal 3: Quit > > 2024-06-05 11:41:33.174 IST [54375] DETAIL: The failed archive command > was: cp pg_wal/00000005000000010000006B > /home/pgsql/wmaster/00000005000000010000006B > > 2024-06-05 11:41:33.175 IST [54367] LOG: archiver process (PID 54375) > exited with exit code 1 > > 2024-06-05 11:41:33.177 IST [54367] LOG: database system is shut down > > > > Here ‘/home/pgsql/wmaster’ is my archivedir (the folder where WAL > segments are restored from) > > > > Before attempting start, size of > > 00000005000000010000006B file was 16 MB. > > After failing to detect 00000005000000010000006C, there is a FATAL error > saying wrong size for 00000005000000010000006B > > Now the size of 00000005000000010000006B is observed as 2 MB. Size of > all other WAL segments remain 16 MB. > > > > -rw------- 1 postgres postgres 2359296 Jun 5 11:34 > 00000005000000010000006B > > That looks like you have "archive_mode = always", and "archive_command" > writes > back to the archive. Don't do that. > In fact, don't write your own PITR backup process. Use something like PgBackRest or BarMan.