Hi. We have a one master and 8 slaves. From time to time replication has broken and data has stopped to update on slaves. In logs i see next:
syncrepl_null_callback : error code 0x50 syncrepl_entry: rid=000 be_modify cn=union,ou=roles,dc=staff,dc=com (80) syncrepl_entry: rid=000 be_modify failed (80) do_syncrepl: rid=000 rc 80 retrying do_syncrep1: rid=000 starting refresh (sending cookie=rid=000,csn=20211213150433.004754Z#000000#000#000000) do_syncrep2: rid=000 LDAP_RES_INTERMEDIATE - SYNC_ID_SET syncrepl_message_to_entry: rid=000 DN: cn=union,ou=roles,dc=staff,dc=com, UUID: 67c22522-0749-1039-933a-fdc6b5a9b3b7 syncrepl_entry: rid=000 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD) csn=(none) tid 4
"error code 0x50" means other ldap error. How to determine, what exactly wrong?
There is no dependence with slaves or versions: - master has 2.4.50 - slaves have different versions: 2.4.50, 2.4.55, 2.4.57.
All of slaves can breake. We use next configuration:
syncrepl rid=000 provider=ldaps://ldap-master.domain.com type=refreshAndPersist retry="5 5 300 +" searchbase="dc=staff,dc=com" attrs="*,+" bindmethod=simple binddn="cn=slapd-slave,ou=services,dc=staff,dc=com"
We can't try newer version, because use Oracle solaris and there are only 2.4.X versions.
Should we create a bug or it was fixed in newer versions?
--On Wednesday, December 15, 2021 11:40 AM +0200 skeletor skeletor@lissyara.su wrote:
Hi. We have a one master and 8 slaves. From time to time replication has broken and data has stopped to update on slaves. In logs i see next:
There is no dependence with slaves or versions:
- master has 2.4.50
- slaves have different versions: 2.4.50, 2.4.55, 2.4.57.
All of slaves can breake. We use next configuration:
syncrepl rid=000 provider=ldaps://ldap-master.domain.com type=refreshAndPersist retry="5 5 300 +" searchbase="dc=staff,dc=com" attrs="*,+" bindmethod=simple binddn="cn=slapd-slave,ou=services,dc=staff,dc=com"
We can't try newer version, because use Oracle solaris and there are only 2.4.X versions.
Hello,
OpenLDAP 2.4 is a historic release. I would note that 2.4.59 was the final 2.4 release, and numerous replication bugs were fixed throughout the entire release series (https://git.openldap.org/openldap/openldap/-/blob/OPENLDAP_REL_ENG_2_4/CHANGES). Generally I would advise using delta-sync replication with the 2.4 series given the known problems with standard syncrepl in that release series.
There have also been significant changes made to how sync replication works in the 2.5 release that could not be done in the 2.4 series that make standard syncrepl viable.
Finally, I would note that there is nothing that prevents one from compiling OpenLDAP 2.5 (or later) on Solaris.
Regards, Quanah
--
Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: http://www.symas.com
openldap-technical@openldap.org
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Quanah Gibson-Mount -
skeletor