From 17ca2f2acbea3f7663e85d484aadd3e5a1a431c9 Mon Sep 17 00:00:00 2001 From: Sheng Yang Date: Tue, 15 Jan 2019 10:20:09 -0800 Subject: [PATCH] Update README.md --- README.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/README.md b/README.md index b068f02..701f89f 100644 --- a/README.md +++ b/README.md @@ -245,6 +245,14 @@ Longhorn supports recurring snapshot and backup for volumes. User only need to s User can find the setting for the recurring snapshot and backup in the `Volume Detail` page. +### Changing replica count of the volumes + +The default replica count can be changed in the setting. + +Also, when a volume is attached, the user can change the replica count for the volume in the UI. + +Longhorn will always try to maintain at least given number of healthy replicas for each volume. If the current healthy replica count is less than specified replica count, Longhorn will start rebuilding new replicas. If the current healthy replica count is more than specified replica count, Longhorn will do nothing. In the later situation, if user delete one or more healthy replicas, or there are healthy replicas failed, as long as the total healthy replica count doesn't dip below the specified replica count, Longhorn won't start rebuilding new replicas. + ## Other features ### [Multiple disks](./docs/multidisk.md)