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Renamedg fails during clone operation of ASFD setup

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Applies to

  • SnapCenter Plugin For Oracle 4.8

Issue

In some circumstances renamedg fails during clone operation of ASFD setup with Linux unsupported error:

renamedg -dgname DATA -newdgname SC_2090922_NCTESTDB asm_diskstring='/dev/mapper/3600a098038314671733f52343865726b','/dev/mapper/3600a098038314671733f523438657277','/dev/mapper/3600a098038314671733f523438657275','/dev/mapper/3600a098038314671733f523438657278','/dev/mapper/3600a098038314671733f523438657276','/dev/mapper/3600a098038314671733f523438657279','/dev/mapper/3600a098038314671733f52343865726e','/dev/mapper/3600a098038314671733f52343865727a','/dev/mapper/3600a098038314671733f52343865726f','/dev/mapper/3600a098038314671733f523438657330','/dev/mapper/3600a098038314671733f523438657270','/dev/mapper/3600a098038314671733f523438657331','/dev/mapper/3600a098038314671733f523438657271','/dev/mapper/3600a098038314671733f523438657332','/dev/mapper/3600a098038314671733f523438657272','/dev/mapper/3600a098038314671733f523438657333','/dev/mapper/3600a098038314671733f523438657273','/dev/mapper/3600a098038314671733f523438657334','/dev/mapper/3600a098038314671733f523438657274','/dev/mapper/3600a098038314671733f523438657335','/dev/mapper/3600a098038314671733f52343865726c','/dev/mapper/3600a098038314671733f523438657336','/dev/mapper/3600a098038314671733f52343865726d','/dev/mapper/3600a098038314671733f523438657337' verbose=true phase=both

ERROR: -9(Error 27072, OS Error (Linux-x86_64 Error: 95: Operation not supported

For that Oracle support suggested that instead of using /dev/mapper/.. as the asm_diskstring,  AFD:*  should be used when dealing with AFD managed disks.
But after changing the asm_diskstring to only AFD:* as below, renamedg still picks up dev/mapper as the asm_diskstring.

[grid@nctest ~]$ asmcmd dsget
parameter:AFD:*
profile:AFD:*

SQL> show parameter asm_diskstring

NAME                                 TYPE                              VALUE
------------------------------------ --------------------------------- ------------------------------
asm_diskstring                       string                            AFD:*


SCO still picks up /dev/mapper  as the asm_diskstring even though source db was modified and new backup was taken for cloning.

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