Hi Team,

Seeking an advice on migrating freeipa environment from centos 7 to Almalinux 9

Consider there are  4 servers 1 as IPA master and rest are replicas


  1.  master.ipa.example.com [centos 7.9 IPA 4.6.8]
  2.  Replica1.ipa.example.com [centos 7.9 IPA 4.6.8]
  3.  Replica2.ipa.example.com [centos 7.9 IPA 4.6.8]
  4.  Replica3.ipa.example.com [centos 7.9 IPA 4.6.8]

What is the best approach to migrate it to alma Linux 9

As we all know in place upgrade is not possible

Gone through below link, but still looking for an advice, what happens to 
existing replicas and its ipa clients after promoting Almalinux 8/9 server as 
IPA master server? does replication work in case of higher version of ipa 
master[4.10.2, Almalinux] and lower version of ipa replica [4.6.8,Centos 7] ? 
any impact on functionality of existing replicas servers of [centos 7.9 IPA 
4.6.8]?

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/migrating_to_identity_management_on_rhel_8/migrate-7-to-8_migrating#doc-wrapper

As I tested we can integrate ipa clients of lower version [4.6.8,centso 7]   to 
ipa-server of higher version [4.10.2, Alma linux]

As I tested we can't add replica of lower version[4.6.8,centso 7]  to 
ipa-server of higher version[4.10.2, Alma linux]



Regards
Sai



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