X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-utils.git;a=blobdiff_plain;f=backup%2Flvm;h=09bda9e811a84fc59b897f560272c559a0bba0a5;hp=592513a6b5628e82659970d519317fc7189affbf;hb=eefa72208cdcaa0435c29e5857b357490be98b97;hpb=3132b6c3eebf3f16d43c2189fc9be5e52a6b2018

diff --git a/backup/lvm b/backup/lvm
index 592513a..09bda9e 100755
--- a/backup/lvm
+++ b/backup/lvm
@@ -63,7 +63,7 @@ fstype="$(mount | sed -n \
  "s,^$device on $mountpoint type \([a-z0-9][a-z0-9]*\) .*,-t \1 ,p")"
 
 if [ -z "$lvm_lvsize_opts" ]; then
-	df="$(df -k $device)"
+	df="$(df -P -k $device)"
 	blocks="$(printf "%s" "$df" |  sed -n '2,$s,^/dev/[^ 	]*[ 	][ 	]*[0-9][0-9]*[ 	][ 	]*\([0-9][0-9]*\)[ 	].*,\1,p')"
 	lvm_lvsize_opts="-L $blocks"K
 fi