From 957da2860c8aff76433c3143b3659c231c7da0e6 Mon Sep 17 00:00:00 2001 From: Melissa Vagi Date: Mon, 17 Jun 2024 10:49:46 -0600 Subject: [PATCH] Update migrating-to-remote.md Signed-off-by: Melissa Vagi Signed-off-by: Melissa Vagi --- .../remote-store/migrating-to-remote.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/_tuning-your-cluster/availability-and-recovery/remote-store/migrating-to-remote.md b/_tuning-your-cluster/availability-and-recovery/remote-store/migrating-to-remote.md index ef9de8d975..e6edd4d53b 100644 --- a/_tuning-your-cluster/availability-and-recovery/remote-store/migrating-to-remote.md +++ b/_tuning-your-cluster/availability-and-recovery/remote-store/migrating-to-remote.md @@ -8,7 +8,7 @@ grand_parent: Availability and recovery # Migrating to remote-backed storage -Introduced 2.14 +Introduced 2.15 {: .label .label-purple } Remote-backed storage offers a new way to protect against data loss by automatically creating backups of all index transactions and sending them to remote storage. To use this feature, [segment replication]({{site.url}}{{site.baseurl}}/opensearch/segment-replication/) must be enabled. @@ -21,9 +21,9 @@ Rolling upgrades, sometimes referred to as *node replacement upgrades*, can be p Review [Upgrading OpenSearch]({{site.url}}{{site.baseurl}}/upgrade-opensearch/index/) for recommendations about backing up your configuration files and creating a snapshot of the cluster state and indexes before you make any changes to your OpenSearch cluster. -Before migrating to remote-backed storage, upgrade to OpenSearch 2.15. +Before migrating to remote-backed storage, upgrade to OpenSearch 2.15 or later. -As of OpenSearch 2.15, OpenSearch nodes cannot be migrated back to document replication. If you need to revert the migration, then you will need to perform a fresh installation of OpenSearch and restore the cluster from a snapshot. Take a snapshot and store it in a remote repository before beginning the upgrade procedure. +Before upgrading to OpenSearch 2.15, take a cluster snapshot and store it remotely. OpenSearch 2.15 nodes cannot revert to document replication. If migration needs to be undone, perform a fresh OpenSearch installation and restore from the remote snapshot. Securely storing the snapshot remotely allows retrieving and restoring it if issues arise during migration. {: .important} ## Performing the upgrade