18c Service Names
Date: Sun, 5 Jul 2020 21:01:26 +0000
Message-ID: <DM6PR19MB24585049F50F449413AD6A35E6680_at_DM6PR19MB2458.namprd19.prod.outlook.com>
New environment: 18c EE on X8-2M Bare Metal at ODA 18.8 - Single Instances
I've been testing for migration of 11.2.0.4 DBs on an X5 ODA to the new environment above, multi-tenant. We have ThisDB and ThatDB on the X5.
- I created CDB1 on the X8 with ThisDBX and ThatDBX PDBs. Did exports from 11g DBs and imported them into 18c DBs. Opened them for testing by Users, which is why I wanted the X suffix so they'd know where they were. -- In the iterative process, I created CDB2 as well and cloned ThisDBX and ThatDBX to it as ThxxDBX1,2,3,etc. and ThxxDBX1,2,3,etc., each time then unplugging ThxxDBX1,2,3 to separate .pdb files. I used those to plug in to CDB1 for startover points. It all worked great. -- Now, when I want to do the final cutover from 11g ThisDB and ThatDB, I drop the current 18c ThxxDBX PDBs and attempt to create new PDBs from the last .pdb files. I want to name them ThisDB and ThatDB, and can create them OK. However, when I attempt to open them I get:
Alter Pluggable Database ThisDB Open Read Write ;
Error report -
ORA-44303: service name exists
ORA-44775: Pluggable database service cannot be created.
44303. 0000 - "service name exists"
*Document: Yes
*Cause: This service name was already in existence.
*Action: Provide a new unique service name.
I query v$Services and there is no ThisDB service. I've looked through the 18c docs and on MOS, but can't find anywhere that there's a restriction on Service Names. It looks to me like I can have ThisDBX and ThisDBY, but can't have the subset ThisDB. Is that a fact? If so, where is it documented? If not, can I fix this?
I've tried it by using the Service_Name_Convert function, but that didn't work either and the error message said to try to use the "appropriate" Service_Name_Convert string but, of course, no clue as to what that might be.
I'm at a loss.
Thanks.
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