notifications: fix typos and improve reading flow

[pve-docs.git] / local-btrfs.adoc

diff --git a/local-btrfs.adoc b/local-btrfs.adoc
index d7a94f719e82dfde977193db01abbe86efdc56a3..b04d0a3cc55b17dad0a33cb6e61a656a2811c28f 100644 (file)
--- a/local-btrfs.adoc
+++ b/local-btrfs.adoc
@@ -146,7 +146,7 @@ After the next reboot this will be automatically done by the system at boot.
 Adding a BTRFS file system to {pve}
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-You can add an existing BTRFS file system to {pve} via the web-interface, or
+You can add an existing BTRFS file system to {pve} via the web interface, or
 using the CLI, for example:
 
 ----
@@ -214,3 +214,13 @@ UUID=<uuid of your root file system> / btrfs defaults,compress=zstd 0 1
 ----
 
 This change will take effect after rebooting.
+
+Checking Space Usage
+^^^^^^^^^^^^^^^^^^^^
+
+The classic `df` tool may output confusing values for some btrfs setups.
+For a better estimate use the `btrfs filesystem usage /PATH` command, for example:
+
+----
+# btrfs fi usage /my-storage
+----