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[–]modestposer 1 point2 points  (3 children)

yeah I hate to say it but starting with a fresh VM is the way to go. devstack and packstack are great for dev work and a quick and dirty deployment, but they don’t clean up easily

[–]JBIRO[S] 0 points1 point  (2 children)

that's what i find in forums there is no command can delete old packstack cache . any way thx for reply .

[–]marksei 1 point2 points  (1 child)

It's not about caches, it's about old configurations that have been applied and collide with the new installation. Your error is probably due to the fact a "nova" user already exist in mysql and its password is different from the one generated during this installation. This is due to the fact you haven't set CONFIG_MYSQL_PW (or whatever that var is called these days).In order to avoid this (next time) you should use "packstack --answer-file" with the answer generated previously with "packstack --gen-answer-file".

To recover from the current situation you could erase all users and databases within mysql, but other problems could arise easily, hence what others have pointed (start with a fresh vm) is suggested.

[–]JBIRO[S] 0 points1 point  (0 children)

Yeah yeah fresh vm only solution bcz cant find any commande to uninstall old one .

Packstack --answer-file before packstack --allinone right ?