145
Replicator
15
The
replication
command sets up and manages the Data Domain Replicator for replication of
data between two restorers. The Replicator is a licensed product. Contact Data Domain sales or
your Data Domain SE for license keys. Use the
license add
command to add one key to each
restorer in the Replicator pair.
A Replicator pair is an originator restorer that receives data from backup servers and a replica
restorer that receives data only from the originator. A restorer can be either an originator or a
replica, not both. See “replication” on page 237 for the complete command syntax. After
replication initialization, the originator constantly checks the status of the replica.
A replica that is removed (with the “break” option on either the originator or replica) from the
Replicator pair cannot be brought back into the pair or used as a replica for another originator
unless the file system on the replica is emptied with the
filesys destroy
command.
A replica is a read-only machine for any connection except the originator in the Replicator pair.
You can mount a replica as read-only for access from other places; however, after using the “break”
option on a replica, the replica itself becomes a read/write machine.
All user information, such as user names, passwords, and permission level (administrative or user),
is replicated from the originator to the replica. User information on the replica is overwritten. A
change to user information on the originator causes the file to be sent to the replica. A change made
on the replica is lost when changes are next made on the originator.
Note
The
filesys destroy
command erases all Replicator configuration settings.
Configure Replicator
To configure two restorers as a Replicator pair, use the
replication set source
orig-name
destination
replica-name
operation. Administrative users only.
•
The source
orig-name
on both the replica and originator must be exactly the same as the name
returned by the
hostname
command on the originator.
•
On the originator, the destination
replica-name
must be a name that can be translated to an IP
address or be an IP address.
Summary of Contents for DD400 Series
Page 1: ...Software Version 3 1 2 DD400 Series Restorer User Guide ...
Page 4: ......
Page 38: ...Regulatory Standards Compliance xxxviii DD400 Series Restorer User Guide ...
Page 54: ...Hardware System Level Interfaces 16 DD400 Series Restorer User Guide ...
Page 60: ...Display the Space Usage Graphs 22 DD400 Series Restorer User Guide ...
Page 96: ...The License Command 58 DD400 Series Restorer User Guide ...
Page 102: ...Return Command Output to a Remote machine 64 DD400 Series Restorer User Guide ...
Page 128: ...Clean Operations 90 DD400 Series Restorer User Guide ...
Page 138: ...Display the History of Disk Failures 100 DD400 Series Restorer User Guide ...
Page 182: ...CIFS Command 144 DD400 Series Restorer User Guide ...
Page 194: ...Procedure Replace a Replica 156 DD400 Series Restorer User Guide ...
Page 210: ...Send Log messages to Another System 172 DD400 Series Restorer User Guide ...
Page 228: ...Operations for Trained Service Personnel 190 DD400 Series Restorer User Guide ...