On Пят, 19 сту 2024, Polavarapu Manideep Sai via FreeIPA-users wrote:
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]
Upgrade all your IPA servers to Alma Linux 8 first, then upgrade them
all to Alma Linux 9. There is no other way. It is related to security
and crypto policy improvements across RHEL 9.
--
/ Alexander Bokovoy
Sr. Principal Software Engineer
Security / Identity Management Engineering
Red Hat Limited, Finland
--
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