From a DS point of view, you may use logconv.pl to get a rapid summary of the received activity (DS access logs). You may take the same period of time on each server and compare the results. It will give hints to know if the difference comes from bind, connections, replication session, or ...


On 06/01/2015 10:56 AM, Innes, Duncan wrote:
I've got an IPA installation with 8 servers replicating between each other across various parts of our network. Recently I've started pushing the dirsrv logs to a remote log collector from 4 of these machines and see a huge disparity in the number of entries being sent.
ipa01 - ~42,000 logs per hour
ipa02 - ~13,000 logs per hour
ipa03 - ~80,000 logs per hour
ipa04 - ~20,000 logs per hour
ipa01 & 02 are used as a failover pair for clients in one datacentre. ipa03 & 04 are used as a failover pair for clients in another datacentre. From the logs, is there a way to see if I've got an imbalance of clients connecting to each IPA server? Or a completely different log message scenario? We don't have access to the _SRV_ records as the AD domain controls that, so we had to hard code the main and failover servers on the ipa_server line in /etc/sssd/sssd.conf, the kdc line in /etc/krb5.conf, and the URI line in /etc/openldap/ldap.conf. As such, it's reasonable to suggest that our randomised script for allocating primary/secondary on a client isn't as random as we think. Might it also be possible that due to the hard coding option we had to take, our clients end up failing over to a certain server, but then never failing back when the primary returns? Under maintenance we generally patch and reboot the odd numbered servers, followed by the even servers once the odd servers are back.

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