Dael Maselli wrote:
Dear Richard, The problem came back, this time in one node. We have 4-way replica with the nodes: ds-m1, ds-2, ds-m3, ds-m4.Yesterday all RW replica works fine, this morning one node (ds-m3) crashed
What was the cause of the crash?
and restarted with this log:[14/Nov/2007:09:16:37 +0100] - Fedora-Directory/1.0.4 B2006.312.1621 starting up [14/Nov/2007:09:16:37 +0100] - Detected Disorderly Shutdown last time Directory Server was running, recovering database. [14/Nov/2007:09:16:38 +0100] NSMMReplicationPlugin - replica_check_for_data_reload: Warning: data for replica dc=infn,dc=it was reloaded and it no longer matches the data in the changelog (replica data > changelog). Recreating the changelog file. This could affect replication with replica's consumers in which case the consumers should be reinitialized.
If you see this again, try this: Shutdown m3, then start it with the replica log level: cd /opt/fedora-ds/slapd-m3 ./stop-slapd ./start-slapd -d 8192Then shut it down as soon as you see the replica_check_for_data_reload: error message. Then paste the error log to pastebin.com or rafb.net/paste and paste the link here. Be sure to obscure any sensitive information first.
Then I tried to reinitialize ds-m3 from ds-m1 and in ds-m3 log it wrote:[14/Nov/2007:15:21:36 +0100] NSMMReplicationPlugin - multimaster_be_state_change: replica dc=infn,dc=it is going offline; disabling replication [14/Nov/2007:15:21:36 +0100] - WARNING: Import is running with nsslapd-db-private-import-mem on; No other process is allowed to access the database [14/Nov/2007:15:21:38 +0100] - import userRoot: Workers finished; cleaning up...[14/Nov/2007:15:21:39 +0100] - import userRoot: Workers cleaned up.[14/Nov/2007:15:21:39 +0100] - import userRoot: Indexing complete. Post-processing...[14/Nov/2007:15:21:39 +0100] - import userRoot: Flushing caches... [14/Nov/2007:15:21:39 +0100] - import userRoot: Closing files...[14/Nov/2007:15:21:39 +0100] - import userRoot: Import complete. Processed 10 entries in 2 seconds. (5.00 entries/sec) [14/Nov/2007:15:21:39 +0100] NSMMReplicationPlugin - multimaster_be_state_change: replica dc=infn,dc=it is coming online; enabling replication [14/Nov/2007:15:21:39 +0100] NSMMReplicationPlugin - replica_reload_ruv: Warning: new data for replica dc=infn,dc=it does not match the data in the chang elog. Recreating the changelog file. This could affect replication with replica's consumers in which case the consumers should be reinitialized.So I tried to make changes on directory from node ds-m1,2 or 4 and it propagates to all 4 node (including ds-m3). BUT when I try to make changes from ds-m3 it will notpropagates and in the ds-m3 log there is angain:[14/Nov/2007:15:42:22 +0100] agmt="cn=m3-m2" (ds-m2:636) - Can't locate CSN 4739d5a5000000030000 in the changelog (DB rc=-30990). The consumer may need to be reinitialized. [14/Nov/2007:15:42:22 +0100] agmt="cn=m3-m4" (ds-m4:636) - Can't locate CSN 4739d5a5000000030000 in the changelog (DB rc=-30990). The consumer may need to be reinitialized. [14/Nov/2007:15:42:22 +0100] agmt="cn=m3-m1" (ds-m1:636) - Can't locate CSN 4739d5a5000000030000 in the changelog (DB rc=-30990). The consumer may need to be reinitialized.So, please help me! What can I do now, we can't reinstall from scratch anytime oneserver goes down.
To get up and running again, try this, assuming you have no pending changes in the m3 database that you care about:
shutdown m3remove all of the files in the changelog directory (e.g. /opt/fedora-ds/slapd-instance/cldb)
restart m3 do a replica reinit of m3 from one of the other masters
Thank you. Best regards. Dael Maselli. Dael Maselli wrote:Well. I restarted from scratch. Now all works fine. Now I have 4-way RW replicas with agreements from all to all. Thank you for assistance. Regards. ------------------------------------------------------------------------ -- Fedora-directory-users mailing list Fedora-directory-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-directory-users------------------------------------------------------------------------ -- Fedora-directory-users mailing list Fedora-directory-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-directory-users
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