mention opening and closing the database.

diff --git a/man/moirad.8 b/man/moirad.8
index 3ae5e17dd9e210f8adf1acd90e112b3be16e9537..dcecad3ce129e3b05bec6d976e14bbd7485f7531 100644 (file)
--- a/man/moirad.8
+++ b/man/moirad.8
@@ -38,6 +38,21 @@ be replayed by
 For the server to be able to function properly, if must be run as root
 and root must have access to the tables through RTI Ingres.
 .PP
+It is possible to shutdown the database side of the server when it is
+necessary to lock out clients.  In this state the server will only
+respond to noop and motd requests.  When the file
+.B /etc/smsdown
+exists, the server will close the database the next time there are no
+clients using it.  To force the server to close down the database as
+soon as any active operation is finished, send it a USR1 signal.  The
+first time a new client connects after the
+.B /etc/smsdown
+file is removed, the database will be re-opened.  To force an
+immediate reopening, send the server a USR2 signal.  The contents of
+the
+.B /etc/smsdown
+file are returned as the SMS motd.
+.PP
 .B startsms
 sets its working directory to the root, disconnects from the terminal
 and puts itself in the background.  It then starts
@@ -57,6 +72,8 @@ if it is non-zero.
 .br
 /u1/sms/journal
 .br
+/etc/smsdown
+.br
 /etc/srvtab \- The dcm must be able to get Kerberos tickets for "sms.sms".
 .SH "SEE ALSO"
 The Project Athena Technical Plan section on SMS.