Oracle Database Appliance Storage Defaults; About Oracle Database Appliance Storage - Oracle X6-2-HA Deployment And User's Manual
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Also See for X6-2-HA:
- Manual (254 pages) ,
- Owner's manual (116 pages) ,
- Service manual (300 pages)
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Oracle Database Appliance Storage
Defaults
Review this section to understand Oracle Database Appliance storage architecture
and options and how to determine usable storage.
•
About Oracle Database Appliance Storage
Oracle Database Appliance uses the Oracle Automatic Storage Management
Cluster File System (Oracle ACFS) for storage of database and virtual machine
files.
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Determining Usable Storage for Oracle Database Appliance X6-2-HA
Review the usable disk capacity available for Oracle Database Appliance X6-2-HA
and how capacity is derived.
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Oracle ACFS Space Management
The Oracle ACFS file systems are automatically created when you create a
database on Oracle Database Appliance.
About Oracle Database Appliance Storage
Oracle Database Appliance uses the Oracle Automatic Storage Management Cluster
File System (Oracle ACFS) for storage of database and virtual machine files.
Oracle ACFS provides both servers with concurrent access to some or all of the
shared storage on Oracle Database Appliance. Oracle ACFS supports space-efficient
storage snapshots, which provides fast provisioning databases and virtual machines
within Oracle Database Appliance.
Storage Systems Used With Oracle Database Appliance
Three types of Oracle ACFS file systems are used in Oracle Database Appliance:
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Database File Systems
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Shared repositories
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General-purpose storage
About Database File Systems
Database file systems are used exclusively for storing database files, and they include
a FLASH file system for storing database data files and flash cache files, a DATA file
system for database data files, a RECO file system for storing archive files and
backups, and a REDO file system for storing redo log files.
About Shared Repositories
Shared repositories are file systems created on Oracle Database Appliance Virtualized
Platform, and they are used to store virtual machine templates, runtime images, and
virtual disks.
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