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what is MNTDG diskgroup in asmcmd

edited Feb 25, 2021 10:31AM in Database Administration (MOSC) 3 commentsAnswered ✓

Hi Team,


Please find the below structure of diskgroups in an ASM :

I can understand the use of all the diskgroups listed in here but not sure that is MNTDG diskgroup used for ? Also, when i went inside this , i do not found any data but its size is pretty huge i.e. 550 GB & only 60 GB is free , so what's basically this diskgroup is containing ?


ASMCMD> lsdg

State  Type  Rebal Sector Block    AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name

MOUNTED EXTERN N     512  4096 4194304  666612  152124        0     152124       0       N DATADG/

MOUNTED EXTERN N     512  4096 4194304  204796  168448        0     168448       0       N FRADG/

MOUNTED EXTERN N     512  4096 4194304  563192  61280        0      61280       0       N MNTDG/

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