ASM Architecture and Its Components - DB Instance Vs ASM Instance - Whats special about ASM Instance

ASM Architecture and Its Components - DB Instance Vs ASM Instance - Whats special about ASM Instance

ASM base components:
ASM instance
storage devices (disks)
inter-instance communication service (css)
Database on ASM

What‘s special about ASM?
INSTANCE_TYPE = ASM
startup = startup mount
doesn‘t try to mount a database but tries to mount disk groups (ASM_DISKGROUP)
no open state for ASM (alter database open) because this is not a database instance
no user administration and connect as SYSDBA and SYSASM only

#ASM #ASMArchitecture #ASMComponents #ASM_DISKGROUP #INSTANCE_TYPE #RAC #HAS #CRS #Oracle #Database #Exadata

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Mallikarjun Ramadurg
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[surajitgupta]

I want to know the difference between basic datafiles of oracle db and when it is converted to asm, does it mean we have two storage areas for the same datafile ? If i create a table in oracle where will the table be ---in oracle db or asm

[nampham-uuwb]

how did you do it can you share with me, thank you

[BHARARHROYAL]

Good session sir, please explain flex asm also. Any extra licence needs for flex asm.

[Nareshreddy-otfc]

Good one malli, I have experienced following warning and have searched many places to find which is that default file that it is reading. can you please let me know the file name. ORA-00099: warning: no parameter file specified for ASM instance ----> ASM instance started