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DR Series Software 3.2.0.2 - Administrator Guide

Introduction to the DR Series System Documentation Understanding the DR Series System Setting Up the DR Series System Hardware Configuring the DR Series System Settings Managing DR Series Storage Operations Monitoring the DR Series System Using Global View Using the DR Series System Support Options Configuring and Using Rapid NFS and Rapid CIFS Configuring and Using Rapid Data Access with Dell NetVault Backup and with Dell vRanger Configuring and Using RDA with OST
Understanding RDA with OST Guidelines Terminology Supported RDA with OST Software and Components Best Practices: RDA with OST and the DR Series System Setting Client-Side Optimization Configuring an LSU Installing the RDA with OST Plug-In Configuring DR Series System Information Using NetBackup Backing Up Data From a DR Series System (NetBackup) Using Backup Exec With a DR Series System (Windows) Understanding the OST CLI Commands Understanding RDA with OST Plug-In Diagnostic Logs Collecting Diagnostics Using a Linux Utility Guidelines for Gathering Media Server Information
Configuring and Using VTL Configuring and Using Encryption at Rest Troubleshooting and Maintenance Supported Ports in a DR Series System Getting Help

Starting and Stopping Replication

Starting and Stopping Replication

To start or stop replication in an existing replication relationship, complete the following:

NOTE: For more information about setting up a Replication schedule, see Creating a Replication Schedule.
1.
Select Storage > Replication.
The Replication page is displayed.
2.
Click Select to select the replication relationship for which you want to stop (see step 3) or start (see step 4) the replication process.
3.
To stop the scheduled replication process, click Stop, and click OK to stop replication (or click Cancel to display the Replication page).
The Successfully stopped replication dialog is displayed.
4.
To start the scheduled replication process, click Start, and click OK to start replication (or click Cancel to display the Replication page).
The Successfully started replication dialog is displayed.
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Adding a Cascaded Replica

Adding a Cascaded Replica

To add a cascaded replica to an existing replication relationship, complete the following steps.

Select Storage→ Replication.
2.
On the Replication page, select the replication relationship for which you want to add a cascaded replica, and then click Edit.
The Edit Replication dialog opens.
3.
Under Cascaded Replica Container, click Select a container from the remote system to select the container you will be using for the cascaded replica.
4.
Enter the logon credentials of the remote system.
5.
Click the Retrieve Remote Container button, and, in the drop-down list, select a remote container from the list of available containers.
6.
Under Replica > Cascaded Replica Container, select one of the following Encryption options: None, 128–bit, or 256–bit.
7.
For Bandwidth, select the Bandwidth Speed Rate 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 setting that you can configure is 192 Kbps.
8.
Click Save Replication to save your changes.
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Displaying Replication Statistics

Displaying Replication Statistics

To display the statistics for an existing replication relationship, complete the following:

Select Storage > Replication.
The Replication page is displayed.
2.
Select the replication relationship for which you want to display replication statistics, and then click Display Statistics, The Replication Statistics page is displayed, which contains the following information:
◦
Source —>Replica — Indicates the Source->Replica replication segment.
◦
Replica—>Cascaded Replica — Indicates the Replica->Source replication segment if one exists.
◦
Hostname — Displays the hostname of the source or target.
◦
Container—Displays the container on the related host for the replication.
◦
Status—Displays the percentage of the active replication in progress, if applicable.
3.
To sort a column on this page, click a column heading by which you want to sort. Only one column can be sorted at a time, and sorting can be either ascending and descending. If you set a sort order, the sort will be remembered the next time you return to the Replication Statistics page.
4.
To show replication details, click the “+” icon in the first column for a selected replication, which expands to show replication details. The replication details update every 20 seconds. These details include the following statistics for both Source->Replica and Replica->Cascaded Replica replication segments as appropriate:
◦
Peer State—indicates the current peer status (Insync, Paused, or Replicating)
◦
Replication Transfer Rate—in KB/s
◦
Replication Peak Transfer Rate—in KB/s
◦
Network Average Transfer Rate—in KB/s
◦
Network Peak Transfer Rate—in KB/s
◦
Network Bytes Sent
◦
Estimated Time to Sync
◦
Dedupe Network Savings
◦
Compression Network Savings
◦
Last INSYNC Time—indicates the last time system synchronization occurred.
◦
Schedule Status
5.
To apply filtering, in the upper right corner, select Filter. In the Replication Filter dialog box, select the replication segment hostname(s) by which you want to filter statistics, and then click Apply Filter. The Replication filter results will be displayed.
For more information, see Displaying the Statistics: Replication Page.
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Creating a Replication Schedule

Creating a Replication Schedule

Weekly Replication Schedule Example

Replication schedules can only be set on individual replication-enabled source containers.

 
NOTE: If there is no Replication schedule set, but there is pending data that can be replicated, replication will run when it detects three (3) minutes of idle time for any newly written files in the replicated container.
 
NOTE: The Replication Schedule page displays the current DR Series system time zone and current timestamp (using this format: US/Pacific, Tue Oct 28 14:53:02 2012).

To create a Replication schedule on a replication-enabled source container, complete the following steps.

1.
Select Schedules > Replication Schedule.
The Replication Schedule page is displayed.
2.
Click to select the replication-enabled source container in the Container drop-down list.
The Replication schedule table is displayed with columns that identify the week day, start time, and stop time.
3.
Click Schedule to create a new schedule (or click Edit Schedule to modify an existing Replication schedule).
The Set Replication Schedule page is displayed.
4.
Select (or modify) the Start Time and Stop Time setpoint values using the Hour and Minutes pull-down lists to create a Replication schedule. For an example, see Daily Replication Schedule Example and Weekly Replication Schedule Example.
 
NOTE: You must set a corresponding Stop Time for every Start Time in each Replication schedule you set. The DR Series system will not support any Replication schedule that does not contain a Start Time/Stop Time pair of setpoints (daily or weekly).
5.
Click Set Schedule for the system to accept your Replication schedule (or click Cancel to display the Replication Schedule page).
 
NOTE: To reset all of the values in the current Replication schedule, click Reset in the Set Replication Schedule dialog. To selectively modify values in the current schedule, make your changes to the corresponding hours and minutes pull-down lists for the Start Time and Stop Time you wish to modify, and click Set Schedule.

Dell recommends that you do not schedule the running of any Replication operations during the same time period when Cleaner or ingest operations will be running. Failure to follow this practice will affect the time required to complete the system operations and/or impact your DR Series system performance.

 
 
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