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On Monday 02 October 2006 17:37, Howard Chu wrote:

I don't see any indication of an OpenLDAP software bug here. Use the "retry" parameter if your connections are unreliable.

Since slapd.conf(5) isn't explicit on whether retry is valid for refreshOnl= y=20 (I'll submit a patch for the documentation later), I had initially not set= =20 retry when switching from refreshAndPersist, and when setting it subsequent= ly=20 I had only added it back on one of the four databases.

I have subsequently set retry on all the databases, such that the syncrepl= =20 configuration now looks as follows:

syncrepl rid=3D124 provider=3Dldaps://<master hostname> retry=3D"60 10 300 10 600 +" type=3DrefreshOnly interval=3D"00:00:01:00" searchbase=3D"<suffix>" scope=3Dsub attrs=3D"*" schemachecking=3Doff bindmethod=3Dsimple binddn=3D"<dn for consumer>" credentials=3D"<password for consumer>"

However, since restarting the consumer with this config, replication has=20 stopped again:

Oct 4 09:39:43 leda slapd2.3[28811]: syncrepl_entry: uid=3Dmail10015 Oct 4 09:39:44 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:39:44 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 09:39:58 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_INTERMEDIATE -= =20 SYNC_ID_SET Oct 4 09:39:59 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Dtelkomdsl9953 Oct 4 09:39:59 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Dtelkomsa122193 Oct 4 09:39:59 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Dintekom37262 Oct 4 09:40:00 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Dsusanna Oct 4 09:40:01 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline139514 Oct 4 09:40:01 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline546691 Oct 4 09:40:02 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline193813 Oct 4 09:40:02 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Dsusannas Oct 4 09:40:02 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline457755 Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline27380 Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Dti3345 Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Dtelkomsa232906 Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline555146 Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: uid=3Donline555146 Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: uid=3Donline566281 Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:03 leda slapd2.3[28811]: syncrepl_entry: uid=3Dti3345 Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: uid=3Donline546691 Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: uid=3Donline193813 Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: uid=3Dsusannas Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: uid=3Dtelkomdsl9953 Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: uid=3Dintekom37262 Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: uid=3Dtelkomsa122193 Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry:=20 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_search (0) Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: uid=3Donline27899 Oct 4 09:40:04 leda slapd2.3[28811]: syncrepl_entry: be_add (0) Oct 4 09:40:04 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 09:40:07 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 09:43:47 leda slapd2.3[28811]: do_syncrep1: ldap_sasl_bind_s failed= =20 (-1) Oct 4 09:43:53 leda slapd2.3[28811]: do_syncrep1: ldap_sasl_bind_s failed= =20 (-1) Oct 4 09:44:13 leda slapd2.3[28811]: do_syncrep1: ldap_sasl_bind_s failed (-1)

More bind failures occurred until: Oct 4 10:38:54 leda slapd2.3[28811]: do_syncrep1: ldap_sasl_bind_s failed= =20 (-1)

after which there was only: Oct 4 10:40:15 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 10:40:46 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 10:41:15 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT [...] Oct 4 17:24:14 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 17:24:46 leda slapd2.3[28811]: do_syncrep2: LDAP_RES_SEARCH_RESULT

After a restart: Oct 4 17:25:54 leda slapd2.3[28811]: daemon: shutdown requested and=20 initiated. Oct 4 17:26:26 leda slapd2.3[30580]: slapd starting Oct 4 17:26:26 leda slapd2.3[30580]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 17:26:26 leda slapd2.3[30580]: do_syncrep2: LDAP_RES_SEARCH_RESULT Oct 4 17:26:28 leda slapd2.3[30580]: do_syncrep2: LDAP_RES_INTERMEDIATE -= =20 SYNC_ID_SET Oct 4 17:26:29 leda slapd2.3[30580]: do_syncrep2: LDAP_RES_INTERMEDIATE -= =20 SYNC_ID_SET Oct 4 17:26:45 leda slapd2.3[30580]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline185588 Oct 4 17:26:46 leda slapd2.3[30580]: syncrepl_del_nonpresent: be_delete=20 uid=3Donline193883

(In these log extracts, the DN's have been truncated for privacy reasons)

This doesn't occur on any of the slaves in our production site, but I will = see=20 if I can reproduce it via other means.

Regards, Buchan

=2D-=20 Buchan Milne ISP Systems Specialist B.Eng,RHCE(803004789010797),LPIC-2(LPI000074592)

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