set paths on remote commands

[chiark-utils.git] / backup / lvm

diff --git a/backup/lvm b/backup/lvm
index 4d897e71ae77a2bc00cd477a212bf44ee6bd4eb5..5389e7b08a2a1d5efe0e1c6203b9967f4ceb55ad 100755 (executable)
--- a/backup/lvm
+++ b/backup/lvm
@@ -67,6 +67,13 @@ if [ -z "$lvm_lvsize_opts" ]; then
        vggroup="${vggroup%/*}"
        vgdisplay_out="$(really vgdisplay -c "$vggroup")"
        extents="$(printf "%s" "$vgdisplay_out" | awk -F: '{print $16}')"
+
+       lvdisplay_out="$(really lvdisplay -c "$device")"
+       extents2="$(printf "%s" "$lvdisplay_out" | awk -F: '{print $9}')"
+       extents2=$(( $extents2 + ($extents2+9)/10 - 1 ))
+
+       if [ $extents2 -lt $extents ]; then extents=$extents2; fi
+
        lvm_lvsize_opts="-l $extents"
 fi