ebl add a note about /sys/class/scsi_tape/nst0/default_compression, fix #1314

diff --git a/docs/manuals/en/problems/tapetesting.tex b/docs/manuals/en/problems/tapetesting.tex
index 86a2e02b18a91fd3544e7557f5d49b3126a6b979..4596d17f3e0ca24f6b3739f65fc47153b0e1a0d8 100644 (file)
--- a/docs/manuals/en/problems/tapetesting.tex
+++ b/docs/manuals/en/problems/tapetesting.tex
@@ -778,9 +778,12 @@ the other modes that Bacula needs to function properly.
 \index[general]{Tape Hardware Compression and Blocking Size}
 \index[general]{Size!Tape Hardware Compression and Blocking Size}
 
-As far as I can tell, there is no way with the {\bf mt} program to check if
-your tape hardware compression is turned on or off. You can, however, turn it
-on by using (on Linux): 
+You should be able to verify the tape compression status with sysfs on Linux.
+\begin{verbatim}
+cat /sys/class/scsi_tape/nst0/default_compression
+\end{verbatim}
+
+You can, turn it on by using (on Linux): 
 
 \footnotesize
 \begin{verbatim}