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pg_upgrade from 9.5.10 to 12 fails with encoding issue - Mailing list pgsql-admin

From Shrikant Bhende
Subject pg_upgrade from 9.5.10 to 12 fails with encoding issue
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Msg-id CAMTQpJAxPKOFNmNjPCxfQzjb_mqH3sMuZ0hK138wZ4L5VAPTMQ@mail.gmail.com
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Responses Re: pg_upgrade from 9.5.10 to 12 fails with encoding issue  (Scott Ribe <scott_ribe@elevated-dev.com>)
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Hello community, 

I am trying to upgrade a cluster of version 9.5.19 to version 12.1 but seems like upgrade is getting failed because of database encoding issue, I am getting below error while running pg_upgrade command with -c 

"lc_collate values for database "postgres" do not match:  old "en_US.UTF-8", new "C.UTF-8" Failure, exiting", 

I have tried to create new cluster f version 12 using initdb --encoding parameter but it create encoding as C.UTF-8 only and old cluster is with encoding en_us_UTF-8.
Kindly assist to resolve this issue.

Thanks and regards

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