Added lysrdiff-move-many and lysrdiff-clone-tasks.

Makefile

@@ -12,6 +12,8 @@ install: install-one-task
 	cp lysrdiff-df $(BINDIR)/
 	cp lysrdiff-move-obsolete $(BINDIR)/
 	cp lysrdiff-move-job $(BINDIR)/
+	cp lysrdiff-clone-tasks $(BINDIR)/
+	cp lysrdiff-move-many $(BINDIR)/
 	cp lysrdiff-label-disk $(BINDIR)/
 	cp lysrdiff-sizechange.py $(BINDIR)/
 

lysrdiff-clone-tasks

+#!/bin/sh
+for disk in 1 2
+do
+  for copy in A B
+  do
+    for part in 0 1
+    do
+      id="/lysrdiff/$disk/$copy/$part/lysrdiff.id"
+      if [ -f "$id" ]
+      then
+	  if [ "`cat $id`" != "$disk $copy $part" ]
+	  then
+	      echo wrong disk mounted at /lysrdiff/$disk/$copy/$part >&2
+	  else
+	      cp /lysrdiff/$disk/perm/$part/lysrdiff/tasks \
+		  /lysrdiff/$disk/$copy/$part/lysrdiff/tasks.tmp \
+	      && mv -f /lysrdiff/$disk/$copy/$part/lysrdiff/tasks.tmp \
+		  /lysrdiff/$disk/$copy/$part/lysrdiff/tasks
+	  fi
+      fi
+    done
+  done
+done

lysrdiff-move-many

+#!/bin/sh
+
+usage () {
+    echo $0: usage:
+    echo "  $0 fromdisk/frompart todisk/topart size"
+    echo
+    echo Example:
+    echo "  $0 1/0 2/1 12"
+    echo would move 12 GB from /lysrdiff/1/perm/0 to /lysrdiff/2/perm/1.
+    echo
+    echo Please use lysrdiff-move-obsolete to fix the clones.
+}
+
+if [ $# -ne 3 ]
+then
+    usage >&2
+    exit 1
+fi
+
+case "$1" in
+    */*) ;;
+    *) usage;
+       exit 1;;
+esac
+
+case "$2" in
+    */*) ;;
+    *) usage;
+       exit 1;;
+esac
+
+SRC_DISK=`echo $1 | sed 's%/.*%%'`
+SRC_PART=`echo $1 | sed 's%.*/%%'`
+DST_DISK=`echo $2 | sed 's%/.*%%'`
+DST_PART=`echo $2 | sed 's%.*/%%'`
+SIZE_GB=$3
+
+SRC_ID=/lysrdiff/$SRC_DISK/perm/$SRC_PART/lysrdiff.id
+DST_ID=/lysrdiff/$DST_DISK/perm/$DST_PART/lysrdiff.id
+
+free_space () {
+    stat -f -c '%f * %S' $1|xargs expr
+}
+
+if [ $SRC_ID = $DST_ID ]
+then
+    echo cannot move to self >&2
+    exit 1
+fi
+
+DST_START_SIZE=`free_space $DST_ID`
+GB=`expr 1024 '*' 1024 '*' 1024`
+SIZE_BYTES=`expr $SIZE_GB '*' $GB`
+DST_TARGET_SIZE=`expr $DST_START_SIZE - $SIZE_BYTES`
+
+if [ $DST_TARGET_SIZE -lt $GB ]
+then
+    echo This move would leave less than 1 GB free space >&2
+    exit 1
+fi
+
+while [ `free_space $DST_ID` -gt $DST_TARGET_SIZE ]
+do
+  lysrdiff-move-job $SRC_DISK/$SRC_PART $DST_DISK/$DST_PART || exit 1
+done
+echo Move complete.
+echo
+echo Please use lysrdiff-move-obsolete to clean up.
+exit 0