X-Git-Url: https://git.distorted.org.uk/~mdw/rsync-backup/blobdiff_plain/7a16a2374116aad0be4ef14ff32889a509ef1f9a..3d32ff8ff7bc08ccc7772cb326b54ebcff2b1224:/rsync-backup.in

diff --git a/rsync-backup.in b/rsync-backup.in
index b0c4086..a48d58a 100644
--- a/rsync-backup.in
+++ b/rsync-backup.in
@@ -308,9 +308,21 @@ unsnap_lvm () {
   vg=$1 lv=$2
 
   ## Remove the snapshot.  Sometimes LVM doesn't notice that the snapshot is
-  ## no longer in open immdiately, so try several times.
+  ## no longer in open immdiately, so try several times.  Sometimes, more
+  ## mysteriously, something is keeping the filesystem from being unmounted,
+  ## so try that several times and report on things keeping the filesystem
+  ## open.
   hostrun "unsnap-lvm $vg/$lv" "
-	umount $SNAPDIR/$lv
+	for i in 1 2 3 4; do
+	  echo \";;; BEGIN fuser -mv $SNAPDIR/$lv\"
+	  fuser -mv $SNAPDIR/$lv | sed 's/^/;;; /'
+	  echo \";;; END fuser -mv $SNAPDIR/$lv\"
+	  echo \";;; BEGIN lsof $SNAPDIR/$lv\"
+	  lsof $SNAPDIR/$lv | sed 's/^/;;; /'
+	  echo \";;; END lsof $SNAPDIR/$lv\"
+	  if umount $SNAPDIR/$lv; then break; fi
+	  sleep 2
+	done
 	rc=1
 	for i in 1 2 3 4; do
 	  if lvremove -f $vg/$lv.bkp; then rc=0; break; fi