Dell DR4300 DR Series System Administrator Guide - Page 70

Creating Replication Relationships, Modifying Replication Relationships - model selection guide

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Refer to the Dell DR Series System Interoperability Guide for details about the supported system limits for replication per DR Series system model. For a definition of connections and streams, see Streams_vs_Connections. • Version Checking - The DR Series system software includes version checking that limits replication only between other DR Series systems that run the same system software release version. If versions are incompatible, the administrator will be notified by an event, and replication will not continue. • Storage Capacity and Number of Source Systems - Be aware that the storage capacity of the target DR Series system is directly affected by the number of source systems writing to its containers, and also by the amount being written by each of these source systems. • VTL Replication - Replication of VTL containers is currently not supported; however, it is planned for a future release of the DR Series system. • MTU Setting - Primary and secondary replication targets should have the same network maximum transmission unit (MTU) setting. See the topic, "Configuring Network Settings," for more information about this setting. Creating Replication Relationships To create a new replication relationship, complete the following steps. 1. Select Storage → Replication. 2. Click Create in the options bar. The Create Replication page is displayed. 3. Under Source Container, define the source container by doing the following. a. Click Select container from local system or Select container from remote system, and select a container. (For a remote system, you will need to provide user credentials for the remote system.) b. Under Source Container > Replica Container, for Encryption, select one of the following encryption options: None, 128-bit, or 256-bit. c. For Bandwidth Speed Rate, select the bandwidth as Default or specify a rate. NOTE: Bandwidth is the replication bandwidth limit that you can set as Kibibytes per second (KiBps), Mebibytes per second (MiBps), Gibibytes per second (GiBps), or as an unlimited bandwidth (default). The minimum allowed replication bandwidth that you can set is 192 KiBps. 4. Under Replica Container, define the target replica container by doing the following. a. Click Select container from remote system and then select a container for the replication from the remote system. b. Enter the user logon credentials of the remote system. c. Click the Retrieve Remote Container button and, in the drop-down list, select a remote container from the list of available containers. 5. To set up cascaded replication (optional), define the cascaded replication by doing the following. a. Under Cascaded Replica Container, click Select a container from the remote system to select the container you will be using for the cascaded replica. b. Enter the logon credentials of the remote system. c. Click the Retrieve Remote Container button, and, in the drop-down list, select a remote container from the list of available containers. d. Under Replica > Cascaded Replica Container, for Encryption, select one of the following encryption options: None, 128-bit, or 256-bit. e. For Bandwidth, select the Bandwidth Speed Rate as Default or specify a rate. 6. Click the Create Replication button. Modifying Replication Relationships You can modify the following replication settings: bandwidth, encryption, and remote container's IP address/host name settings. To modify settings for an existing replication relationship, complete the following steps. 70

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Refer to the
Dell DR Series System Interoperability Guide
for details about the supported system limits for replication
per DR Series system model. For a definition of connections and streams, see
Streams_vs_Connections
.
•
Version Checking
— The DR Series system software includes version checking that limits replication only between
other DR Series systems that run the same system software release version. If versions are incompatible, the
administrator will be notified by an event, and replication will not continue.
•
Storage Capacity and Number of Source Systems
— Be aware that the storage capacity of the target DR Series
system is directly affected by the number of source systems writing to its containers, and also by the amount being
written by each of these source systems.
•
VTL Replication
— Replication of VTL containers is currently not supported; however, it is planned for a future
release of the DR Series system.
•
MTU Setting
— Primary and secondary replication targets should have the same network maximum transmission
unit (MTU) setting. See the topic, “Configuring Network Settings,” for more information about this setting.
Creating Replication Relationships
To create a new replication relationship, complete the following steps.
1.
Select
Storage
→
Replication
.
2.
Click
Create
in the options bar.
The
Create Replication
page is displayed.
3.
Under
Source Container
, define the source container by doing the following.
a.
Click
Select container from local system
or
Select container from remote system
, and select a container. (For a
remote system, you will need to provide user credentials for the remote system.)
b.
Under
Source Container > Replica Container
, for
Encryption
, select one of the following encryption options:
None
,
128–bit
, or
256–bit
.
c.
For
Bandwidth Speed Rate
, select the bandwidth as
Default
or specify a rate.
NOTE:
Bandwidth is the replication bandwidth limit that you can set as Kibibytes per second (KiBps),
Mebibytes per second (MiBps), Gibibytes per second (GiBps), or as an unlimited bandwidth (default). The
minimum allowed replication bandwidth that you can set is 192 KiBps.
4.
Under
Replica Container
, define the target replica container by doing the following.
a.
Click
Select container from remote system
and then select a container for the replication from the remote
system.
b.
Enter the user logon credentials of the remote system.
c.
Click the
Retrieve Remote Container
button and, in the drop-down list, select a remote container from the list of
available containers.
5.
To set up cascaded replication (optional), define the cascaded replication by doing the following.
a.
Under
Cascaded Replica Container
, click
Select a container from the remote system
to select the container you
will be using for the cascaded replica.
b.
Enter the logon credentials of the remote system.
c.
Click the
Retrieve Remote Container
button, and, in the drop-down list, select a remote container from the list of
available containers.
d.
Under
Replica > Cascaded Replica Container
, for
Encryption
, select one of the following encryption options:
None
,
128–bit
, or
256–bit
.
e.
For
Bandwidth
, select the
Bandwidth Speed Rate
as
Default
or specify a rate.
6.
Click the
Create Replication
button.
Modifying Replication Relationships
You can modify the following replication settings: bandwidth, encryption, and remote container’s IP address/host name
settings. To modify settings for an existing replication relationship, complete the following steps.
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