From 30667a5d7b86b29f9aafe2b490d89b8e01bfc541 Mon Sep 17 00:00:00 2001
From: Jeffrey Altman <jaltman@your-file-system.com>
Date: Wed, 11 Feb 2015 01:25:04 -0500
Subject: [PATCH] ubik: DISK_UpdateInterfaceAddr == server restart

If a DISK_UpdateInterfaceAddr RPC is received the server that sent
it restarted.  Force the urecovery code to verify the server state.

Change-Id: I465863dc3a52d844b56d576bd55229435556cfd6
Reviewed-on: http://gerrit.openafs.org/11738
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Daria Brashear <shadow@your-file-system.com>
Reviewed-by: Jeffrey Hutzelman <jhutz@cmu.edu>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
---
 src/ubik/remote.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/ubik/remote.c b/src/ubik/remote.c
index d9e1b1c60..fe6ea2d3c 100644
--- a/src/ubik/remote.c
+++ b/src/ubik/remote.c
@@ -679,6 +679,18 @@ SDISK_UpdateInterfaceAddr(struct rx_call *rxcall,
 	ubik_print("... %s\n", afs_inet_ntoa_r(ts->addr[i], hoststr));
 
     UBIK_ADDR_UNLOCK;
+
+    /*
+     * The most likely cause of a DISK_UpdateInterfaceAddr RPC
+     * is because the server was restarted.  Reset its state
+     * so that no DISK_Begin RPCs will be issued until the
+     * known database version is current.
+     */
+    UBIK_BEACON_LOCK;
+    ts->beaconSinceDown = 0;
+    ts->currentDB = 0;
+    urecovery_LostServer(ts);
+    UBIK_BEACON_UNLOCK;
     return 0;
 }
 
-- 
2.39.5