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openldap2/0007-Recover-on-DB-version-change.dif

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From ee929a83889bde9c657ccfce72880982a7f00d44 Mon Sep 17 00:00:00 2001
From: Ralf Haferkamp <rhafer@suse.de>
Date: Tue, 5 Oct 2010 14:20:22 +0200
Subject: Recover on DB version change
If the libdb Version changed try to recover the database. Note: This will
only succeed if only the format of transaction logs changed.
diff --git a/servers/slapd/back-bdb/init.c b/servers/slapd/back-bdb/init.c
index ac5a6d5..fea5cb4 100644
--- a/servers/slapd/back-bdb/init.c
+++ b/servers/slapd/back-bdb/init.c
@@ -330,6 +330,13 @@ shm_retry:
rc = (bdb->bi_dbenv->open)( bdb->bi_dbenv, dbhome,
flags | do_recover, bdb->bi_dbenv_mode );
+ if ( rc == DB_VERSION_MISMATCH ) {
+ Debug( LDAP_DEBUG_ANY,
+ LDAP_XSTRING(bdb_db_open) ": bdb version change detected "
+ "trying to recover\n", 0, 0, 0 );
+ rc = (bdb->bi_dbenv->open)( bdb->bi_dbenv, dbhome,
+ flags | DB_RECOVER, bdb->bi_dbenv_mode );
+ }
if ( rc ) {
/* Regular open failed, probably a missing shm environment.
* Start over, do a recovery.
--
1.7.7