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@@ -529,6 +529,7 @@ You can anyway use it if you limit the use of the parity disk to contain only th
 
 <p>
 In Linux, to get more space for the parity, it's recommended to format the parity file-system with the <em>-m 0 -T largefile4</em> options.
+On a 8 TB disk you can save about 400 GB. This is also expected to be as fast as the default, if not faster.
 Like:
 </p>
 <pre>mkfs.ext4 -m 0 -T largefile4 DEVICE</pre>