Index: debian/changelog

[chiark-utils.git] / backup / iwjbackup.txt

diff --git a/backup/iwjbackup.txt b/backup/iwjbackup.txt
index 39000ee29c74221a4dfa55a15d3b3f14b7ae9a00..5362fd1343b1978504e54af1d7fdb0599e2d824e 100644 (file)
--- a/backup/iwjbackup.txt
+++ b/backup/iwjbackup.txt
@@ -64,12 +64,21 @@ In the fsys.* files:
 The file (including any included files) must end with the word 'end'
 on a line of its own.
 
-Valid values for <backup-type> are `cpio' (uses cpio to produce
-tar-format backups), `dump' (uses dump to dump entire filesystems;
-<directory name> should be a mount-point for this), `zafio' (uses afio
-to compress each file as it is backed up), and `ntfsimage' (for NTFS
-volumes, requires device name).  Only `dump' type backups perform
-incremental backups.
+Valid values for <backup-type> are
+  cpio
+    uses cpio to produce tar-format backups
+  dump
+    uses dump to dump entire filesystems
+    <directory name> should be a mount-point
+  gtar
+    uses GNU tar to produce GNU tar format backups and -N-based
+    semi-incrementals (not --incremental or --listed-incremental)
+  zafio
+    uses afio to compress each file as it is backed up
+  ntfsimage
+    for NTFS volumes, requires device name
+Only `dump' and `gtar' type backups perform any kind of incremental
+backups.
 
 <options> is a comma-separated list of <option> or <option>=<value>.
 Options supported:
@@ -85,6 +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