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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