> On 06.07.2018, at 15:35 , Howard Chu <[email protected]> wrote: > > BÖSCH Christian wrote: >> Hi, >> I have 2 nodes in multimaster setup. >> Node1 doesn’t startup anymore and crashes. >> In debug mode the last lines are: >> 5b3f6b78 <= index_entry_del( 1121725, "uid=jst9897,ou=ais2ldap,o=abc.at >> <http://abc.at>" ) success >> ./../../../libraries/liblmdb/mdb.c:5276: Assertion 'NUMKEYS(mp) > 1' failed >> in mdb_page_search_root() >> Abort >> What does that mean, and what to do to get online again and have the DB in >> sync with Node2? > > Sounds like the DB is corrupted. What happened on the system prior to your > attempt to restart slapd?
There was a script running which deleted all child entries in a subtree (~3000 entries). During that slapd crashed. I rebooted the server, but slapd doesn’t startup again. > It may be possible to resume from the previous snapshot of the DB, but most > likely you'll be better of reloading a slapcat from the other master. Can I delete the files data.mdb and lock.mdb in the db directory, do a slapcat on node2 and with that output file a slapadd on node1? Would this be the recommended approach? Thanks, Christian > > -- > -- Howard Chu > CTO, Symas Corp. http://www.symas.com > Director, Highland Sun http://highlandsun.com/hyc/ > Chief Architect, OpenLDAP http://www.openldap.org/project/
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