What is Acfs replication?

What is Acfs replication?

Oracle ACFS replication enables replication of Oracle ACFS file systems across the network to a remote site, providing disaster recovery capability for the file system. The sites hosting the primary and standby file systems must be running the same operating system and must have the same system architecture.

How is snapshot based replication accomplished?

Replication works by taking snapshots of the primary. A first replication operation transfers the entire contents of the initial snapshot to the standby. Subsequent replication operations transfer just the delta between the most recent primary snapshot and the last previous snapshot.

What is AFS in Oracle?

Oracle Automatic Storage Management Cluster File System (Oracle ACFS) is a multi-platform, scalable file system, and storage management technology that extends Oracle Automatic Storage Management (Oracle ASM) functionality to support customer files maintained outside of Oracle Database.

How do I get rid of ACFS file system?

Removing an Oracle ACFS File System and a Volume

1. Deregister the file system with acfsutil registry -d .
2. Dismount the file system.
3. Remove the file system with acfsutil rmfs .
4. Optionally you can disable the volume with the ASMCMD voldisable command.
5. Delete the volume with the ASMCMD voldelete command.

What is Oracle replication?

Replication is the process of copying and maintaining database objects, such as tables, in multiple databases that make up a distributed database system. Oracle replication is a fully integrated feature of the Oracle server; it is not a separate server.

What type of data will qualify for snapshot replication?

Snapshot replication is the ideal replication method under any of the following conditions: When data changes infrequently. When the publisher and subscriber are not required to be in sync at all times. When data changes are large but occur over a short period of time.

What is ACFS file system in Oracle 12c?

Oracle ASM Cluster File System (ACFS) is a general purpose cluster file system implemented as part of ASM. It can be used to store almost anything, including the database executables.

How do I mount an ACFS file system?

Creating an Oracle ACFS File System

1. Create an Oracle ASM volume in a mounted disk group with the ASMCMD volcreate command.
2. Determine the device name of the volume that was created.
3. Create a file system with the Oracle ACFS mkfs command.
4. Optionally register the file system with the acfsutil registry command.

How do I resize the volume of Acfs?

How To Resize An ACFS Filesystem/ASM Volume (ADVM)

1. Create the ACFSDG (8GB) diskgroup from ASM instance:
2. Create the next volume (5GB) in the ACFSDG diskgroup:
3. Create the new ACFS filesystem on the /dev/asm/acfsvolume1-292 volume:
4. Register the /dev/asm/acfsvolume1-292 volume on the /oracle_backup directory.

How does Oracle replication work?

Oracle replication is a fully integrated feature of the Oracle server; it is not a separate server. Replication uses distributed database technology to share data between multiple sites, but a replicated database and a distributed database are not the same.

How do you replicate in Oracle?

Replicating Oracle to other data warehouses can be done in five ways:

1. Method 1: Using A Full Backup And Load Approach.
2. Method 2: Using A Trigger-Based Approach.
3. Method 3: Using Hevo Data.
4. Method 4: Using Oracle Golden Gate CDC.
5. Method 5: Using Custom Script-Based On Binary Log.

How do I configure snapshot replication?

Configure the Publication

1. Right-click the Replication folder and click New Publication. The publication database wizard opens, where we need to select the publication database.
2. Select Transactional publication as replication type.
3. Select the Tables, stored procedures which you want to replicate.