X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-utils.git;a=blobdiff_plain;f=backup%2Fiwjbackup.txt;h=5362fd1343b1978504e54af1d7fdb0599e2d824e;hp=775e65aa2e2ffc44f2e48567a88a91cd579c9dbf;hb=0401fea2908605c879690e5158644c7a8cbbf0d3;hpb=4ab01705d43752de160d2580489f8c3ac4014921

diff --git a/backup/iwjbackup.txt b/backup/iwjbackup.txt
index 775e65a..5362fd1 100644
--- a/backup/iwjbackup.txt
+++ b/backup/iwjbackup.txt
@@ -94,6 +94,7 @@ Options supported:
     Indicates that the filesystem should be frozen before the backup
     by using /etc/chiark-backup/snap/<snapkind>.  See the head comment
     in /etc/chiark-backup/snap/lvm for details of how this works.
+    When snap= is used, the block device must be specified.
 
 expected-diffs is a config file to indicate which 
 filesystems should *not* be backed up. The scripts do a config