From 52589431808f2349ffc855dd12d88636b9613a47 Mon Sep 17 00:00:00 2001 From: Andrea Hoffer Date: Wed, 10 Jun 2020 11:24:10 -0400 Subject: [PATCH] Bug 1842431: backup_and_restore: clarify backup process --- backup_and_restore/backing-up-etcd.adoc | 10 +++++++--- modules/backup-etcd.adoc | 5 ++++- 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/backup_and_restore/backing-up-etcd.adoc b/backup_and_restore/backing-up-etcd.adoc index 79d1e78ef0..e85bd6adbd 100644 --- a/backup_and_restore/backing-up-etcd.adoc +++ b/backup_and_restore/backing-up-etcd.adoc @@ -15,11 +15,15 @@ installation, otherwise the backup will contain expired certificates. It is also recommended to take etcd backups during non-peak usage hours, as it is a blocking action. -Once you have an etcd backup, you can xref:../backup_and_restore/disaster_recovery/scenario-2-restoring-cluster-state.adoc#dr-restoring-cluster-state[restore to a previous cluster state]. +[IMPORTANT] +==== +You back up your cluster's etcd data by performing a single invocation of the backup script on a master host. Do not take a backup for each master host. +==== + +After you have an etcd backup, you can xref:../backup_and_restore/disaster_recovery/scenario-2-restoring-cluster-state.adoc#dr-restoring-cluster-state[restore to a previous cluster state]. You can perform the xref:../backup_and_restore/backing-up-etcd.adoc#backing-up-etcd-data_backup-etcd[etcd data backup process] -on any master host that has connectivity to the etcd cluster, where the proper -certificates are provided. +on any master host that has a running etcd instance. // Backing up etcd data include::modules/backup-etcd.adoc[leveloffset=+1] diff --git a/modules/backup-etcd.adoc b/modules/backup-etcd.adoc index 17bcc4db23..5357cecb5a 100644 --- a/modules/backup-etcd.adoc +++ b/modules/backup-etcd.adoc @@ -7,7 +7,10 @@ Follow these steps to back up etcd data by creating an etcd snapshot and backing up the resources for the static Pods. This backup can be saved and used at a later time if you need to restore etcd. -You should only save a backup from a single master host. You do not need a backup from each master host in the cluster. +[IMPORTANT] +==== +Only save a backup from a single master host. Do not take a backup from each master host in the cluster. +==== .Prerequisites