Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Проблема при частичном ресторе только одной БД (использование --db-include) #249

Closed
@triwada

Description

@triwada

Имеется проблема при частичном ресторе только одной БД

postgres=# select pgpro_version();
                                                pgpro_version
--------------------------------------------------------------------------------------------------------------
 PostgresPro 9.6.16.1 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39), 64-bit
(1 row)

postgres=# select pgpro_edition();
 pgpro_edition
---------------
 enterprise
(1 row)

postgres=# select pgpro_build();
 pgpro_build
-------------
 cdeae793ef
(1 row)

$ pg_probackup -V
pg_probackup 2.3.5 (Postgres Pro 9.6.15.2 enterprise)



$ pg_probackup show -B /backup

BACKUP INSTANCE 'dummy'
===================================================================================================================================================
 Instance       Version  ID      Recovery Time           Mode  WAL Mode  TLI     Time   Data     WAL  Zratio  Start LSN      Stop LSN       Status
===================================================================================================================================================
 dummy          9.6      QF8AG1  2020-08-18 01:06:03+03  PAGE  ARCHIVE   2/2   6m:45s   26GB   496MB    3.62  A9C4/538B7618  A9C4/72007340  OK
 dumyy          9.6      QF70ZU  2020-08-17 10:16:16+03  FULL  ARCHIVE   2/0   1h:43m  997GB  6928MB    4.19  A9A4/1B337B70  A9A5/CCE05440  OK


Выполняется рестор с помощью команды

$ pg_probackup restore -B /backup --instance=dummy -D /pgdata/restore/report_data/data --db-include=postgres --recovery-target-time="2020-08-17 14:00" --recovery-target-action=pause --no-validate –-progress -j 20

Завершается успешно

INFO: Backup files are restored. Transfered bytes: 77GB, time elapsed: 5m:42s
INFO: Approximate restore efficiency ratio: 5394% (4178GB/77GB)
INFO: Syncing restored files to disk
INFO: Restored backup files are synced, time elapsed: 1s
LOG: ----------------------------------------
LOG: creating recovery.conf
LOG: Setting restore_command to '/usr/bin/pg_probackup-ent-9.6 archive-get -B /backup --instance dummy --wal-file-path=%p --wal-file-name=%f'
INFO: Restore of backup QF70ZU completed.

Запускаю инстанс для продолжения восстановления с помощью WAL и в конечном счёте получаю ошибку

2020-08-18 06:37:37.395 MSK [97108]: [457-1] db=,tx=0,user=,app=,client= LOG:  restored log file "000000020000A9A5000000DA" from archive
2020-08-18 06:37:50.959 MSK [97108]: [458-1] db=,tx=0,user=,app=,client= WARNING:  page 233374 of relation base/3434610/3436498 is uninitialized
2020-08-18 06:37:50.959 MSK [97108]: [459-1] db=,tx=0,user=,app=,client= CONTEXT:  xlog redo at A9A5/DAE4FB70 for Btree/DELETE: 8 items
2020-08-18 06:37:50.959 MSK [97108]: [460-1] db=,tx=0,user=,app=,client= PANIC:  WAL contains references to invalid pages
2020-08-18 06:37:50.959 MSK [97108]: [461-1] db=,tx=0,user=,app=,client= CONTEXT:  xlog redo at A9A5/DAE4FB70 for Btree/DELETE: 8 items
2020-08-18 06:37:51.037 MSK [97106]: [5-1] db=,tx=0,user=,app=,client= LOG:  startup process (PID 97108) was terminated by signal 6: Aborted
2020-08-18 06:37:51.037 MSK [97106]: [6-1] db=,tx=0,user=,app=,client= LOG:  terminating any other active server processes
2020-08-18 06:37:51.038 MSK [97106]: [7-1] db=,tx=0,user=,app=,client= LOG:  worker process: cfs-worker-0 (PID 74582) exited with exit code 1
2020-08-18 06:37:51.342 MSK [97106]: [8-1] db=,tx=0,user=,app=,client= LOG:  database system is shut down


Непонятно, почему здесь появляется relation (base/3434610/3436498 - принадлежит db1) из БД, которая не должна ресториться

postgres=# select oid,datname from pg_database ;
   oid    |     datname
----------+------------------
        1 | template1
    13390 | template0
 51640550 | db2
  3434610 | db1
    13391 | postgres
(5 rows)



Metadata

Metadata

Assignees

No one assigned

    Labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions