X-Git-Url: https://git.distorted.org.uk/~mdw/rsync-backup/blobdiff_plain/977d0da99bb1ccfdbdcbccbb0fd059662c30737b..1c9c923af8ab55f91a9875d135e7189395302334:/rsync-backup.8

diff --git a/rsync-backup.8 b/rsync-backup.8
index e8276e4..714b63f 100644
--- a/rsync-backup.8
+++ b/rsync-backup.8
@@ -202,6 +202,7 @@ or
 Expiry considers each existing dump against the policy lines in order:
 the last applicable line determines the dump's fate \(en so you should
 probably write the lines in decreasing order of duration.
+.RS
 .PP
 Groups of
 .B retain
@@ -226,6 +227,7 @@ is the
 policy: at the start of each
 .B host
 stanza, the policy is reset to the default.
+.RE
 .TP
 .BI "retry " count
 The
@@ -253,11 +255,42 @@ counter.
 The following shell variables may be overridden by the configuration
 file.
 .TP
+.B HASH
+The hash function to use for verifying archive integrity.  This is
+passed to the
+.B \-H
+option of
+.BR fshash ,
+so it must name one of the hash functions supported by your Python's
+.B hashlib
+module.
+The default is
+.BR sha256 .
+.TP
+.B INDEXDB
+The name of a SQLite database initialized by
+.BR update-bkp-index (8)
+in which an index is maintained of which dumps are on which backup
+volumes.  If the file doesn't exist, then no index is maintained.  The
+default is
+.IB localstatedir /lib/bkp/index.db
+where
+.I localstatedir
+is the state directory configured at build time.
+.TP
 .B MAXLOG
 The number of log files to be kept for each filesystem.  Old logfiles
 are deleted to keep the total number below this bound.  The default
 value is 14.
 .TP
+.B METADIR
+The metadata directory for the currently mounted backup volume.
+The default is
+.IB mntbkpdir /meta
+where
+.I mntbkpdir
+is the backup mount directory configured at build time.
+.TP
 .B RSYNCOPTS
 Command-line options to pass to
 .BR rsync (1)
@@ -303,16 +336,11 @@ where
 .I mntbkpdir
 is the backup mount directory configured at build time.
 .TP
-.B HASH
-The hash function to use for verifying archive integrity.  This is
-passed to the
-.B \-H
-option of
-.BR fshash ,
-so it must name one of the hash functions supported by your Python's
-.B hashlib
-module.  The default is
-.BR sha256 .
+.B VOLUME
+The name of the current volume.  If this is left unset, the volume name
+is read from the file
+.IB METADIR /volume
+once at the start of the backup run.
 .SS Hook functions
 The configuration file may define shell functions to perform custom
 actions at various points in the backup process.
@@ -444,11 +472,15 @@ named with the date at which the dump was started (in ISO8601
 .IB yyyy \(en mm \(en dd
 format), together with associated files named
 .IB date .* \fR.
+There is also a symbolic link
+.B last
+referring to the most recent backup of the filesystem.
 .SH SEE ALSO
 .BR fshash (1),
 .BR lvm (8),
 .BR rfreezefs (8),
 .BR rsync (1),
-.BR ssh (1).
+.BR ssh (1),
+.BR update-bkp-index (8).
 .SH AUTHOR
 Mark Wooding, <mdw@distorted.org.uk>