From a20e73ad1c6b3efbd72e9208aed13550a1de04a8 Mon Sep 17 00:00:00 2001
From: Markus Ressel <markus9100@gmail.com>
Date: Wed, 6 Jan 2021 21:11:25 +0100
Subject: [PATCH] added note about bc and root

---
 README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.md b/README.md
index 59720f9..c7f9c50 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,9 @@ curl -O https://raw.githubusercontent.com/markusressel/zfs-inplace-rebalancing/m
 chmod +x ./zfs-inplace-rebalancing.sh
 ```
 
+Dependencies:
+* `pacman -S bc` - used for percentage calculation
+
 ## Usage
 
 **ALWAYS HAVE A BACKUP OF YOUR DATA!**
@@ -92,7 +95,11 @@ You can print a help message by running the script without any parameters:
 
 ### Example
 
+Make sure to run this script with a user that has rw permission to all of the files in the target directory.
+The easiest way to achieve this is by **running the script as root**.
+
 ```
+sudo su
 ./zfs-inplace-rebalancing.sh --checksum true --passes 1 /pool/path/to/rebalance
 ```