1 files changed, 38 insertions, 1 deletions
diff --git a/share/man/cephfs-snap.1.txt b/share/man/cephfs-snap.1.txt
index 972bcd0..06b1ab7 100644
--- a/share/man/cephfs-snap.1.txt
+++ b/share/man/cephfs-snap.1.txt
@@ -29,7 +29,9 @@ cephfs-snap - create CephFS snapshots periodically
 
 SYNOPSIS
 --------
-*cephfs-snap* {hourly|daily|weekly|monthly}
+*cephfs-snap*
+
+*cephfs-snap* [hourly|daily|weekly|monthly]
 
 
 DESCRIPTION
@@ -40,13 +42,48 @@ backups.
 The cephfs-snap program is a simple tool to do this periodically.
 
 
+CONFIGURATION
+-------------
+cephfs-snap is configured in /etc/default/storage-tools. The following variables are used:
+
+*CEPHFS_SNAP*::
+	Boolean, either true or false. If set to false (default), cephfs will do nothing.
+
+*CEPHFS_SNAP_DIRECTORIES*::
+	List of one or more space separated directories. If no directory is specified, cephfs-snap will do nothing.
+
+*CEPHFS_SNAP_HOURLY*::
+	Integer, number of how many most recent hourly snapshots are to be kept at any given time. Any older snapshots will be removed. Note: specify one more than you wan to keep, e.g. 25 for one day of hourly snapshots alongside the most current one.
+
+*CEPHFS_SNAP_DAILY*::
+	Integer, number of how many most recent daily snapshots are to be kept at any given time.
+
+*CEPHFS_SNAP_WEEKLY*::
+	Integer, number of how many most recent weekly snapshots are to be kept at any given time.
+
+*CEPHFS_SNAP_MONTHLY*::
+	Integer, number of how many most recent monthly snapshots are to be kept at any given time.
+
+*CEPHFS_SNAP_YEARLY*::
+	Integer, number of how many most recent yearly snapshots are to be kept at any given time.
+
+*IRK_TARGETS*::
+	List of space separated IRC channels to send notifications to, e.g.: irc://irc.oftc.net:6668/open-infrastructure
+
+
 FILES
 -----
 The following files are used:
 
+*/etc/cron.d/cephfs-snap*::
+	Cron file.
+
 */etc/default/storage-tools*::
 	Configuration file.
 
+*/var/log/storage-tools/cephfs-snap*::
+	Log files.
+
 
 SEE ALSO
 --------