Commit85f0c1e

Michael Paquier

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Block archive backup for a standby node

A standby node only replays WAL, and does not actually archive them soin this case this mode does not have much sense.

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Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -455,6 +455,10 @@ do_backup_arclog(parray *backup_list)`
`455`	`455`	`if ((uint32)current.stop_lsn==0)`
`456`	`456`	`pg_switch_xlog(&current);`
`457`	`457`
	`458`	`+/* Archive backup is not available for a standby */`
	`459`	`+if (current.is_from_standby)`
	`460`	`+elog(ERROR_SYSTEM,_("Archive backup not allowed on a standby node"));`
	`461`	`+`
`458`	`462`	`/*`
`459`	`463`	`* Check if there is a full backup present on current timeline.`
`460`	`464`	`* For an incremental or full backup, we are sure that there is one`

Lines changed: 2 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -82,7 +82,8 @@ Incremental backup`
`82`	`82`	`Backup only files or pages modified after the last verified backup.`
`83`	`83`
`84`	`84`	`Archive WAL backup`
`85`		`- Backup only archive WAL files.`
	`85`	`+ Backup only archive WAL files. Archive backup is not available for`
	`86`	`+ a standby node.`
`86`	`87`
`87`	`88`	`It is recommended to verify backup files as soon as possible after backup.`
`88`	`89`	`Unverified backup cannot be used in restore and in incremental backup.`

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