From 146b3aac02b58dfd966acd05e93cf3372b6beb74 Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang@rancher.com>
Date: Sun, 15 Sep 2019 14:39:54 -0700
Subject: [PATCH] Update README.md

Add the requirement of host filesystem.

Fixes https://github.com/longhorn/longhorn/issues/533

Signed-off-by: Sheng Yang <sheng.yang@rancher.com>
---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index e2a4b44..9925467 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,9 @@ Longhorn is 100% open source software. Project source code is spread across a nu
     1. For GKE, recommended Ubuntu as guest OS image since it contains open-iscsi already.
     2. For Debian/Ubuntu, use `apt-get install open-iscsi` to install.
     3. For RHEL/CentOS, use `yum install iscsi-initiator-utils` to install.
+4. A host filesystem supports `file extents` feature on the nodes to store the data. Currently we supports:
+    1. ext4
+    2. XFS
 
 # Install