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DR Series DR4300 - DR Series System Administrator's Guide

Introducing the DR Series system documentation Introducing the DR Series system Setting up the DR Series system Configuring the DR Series system settings Managing containers Managing replications Monitoring the DR Series system Using GlobalView Configuring and using Rapid NFS and Rapid CIFS Configuring and using Rapid Data Access with NetVault Backup and with 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 Support, maintenance, and troubleshooting Supported Ports in a DR Series System

Viewing the Rapid NFS and Rapid CIFS logs

Viewing the Rapid NFS and Rapid CIFS logs

This topic contains information about locating and reviewing Rapid NFS and Rapid CIFS event logs for troubleshooting purposes

Viewing Rapid NFS Logs

The Rapid NFS log is located at /var/log/rdnfs.log. Statistics, throughput, and the plug-in version can be seen on the client by running the ru utility on the client, as follows:

ru --mpt=[rdnfs mount point] | --pid=[process ID of rdnfs] --show=[name|version|parameters|stats|performance]

The configuration file is located /etc/oca.0/rdnfs.cfg.

Viewing Rapid CIFS Logs

If you want a high-level view of events and errors for the Rapid CIFS accelerator, open the Windows Event Log.

If you want to view more detailed event messages from Rapid CIFS, you can access a secondary log using the following Rapid CIFS utility command. The utility is located in Program Files\Dell\Rapid CIFS.

rdcifsctl.exe -collect

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Monitoring performance

Monitoring performance

This procedure describes how to monitor performance by viewing Rapid NFS and Rapid CIFS usage graphs.

Before you view usage graphs, make sure that the appropriate accelerator is active by viewing the Container Statistics in the DR Series system GUI.

To monitor Rapid NFS and Rapid CIFS performance:

1.
In the DR Series system GUI, click Dashboard > Usage. The Dashboard page is displayed.
2.
In the Actions menu in the upper right corner of the page, click Detailed Graphs.
3.
Select a time range (if needed) and click Apply.
4.
Click the Protocols tab.
Under NFS Usage and CIFS Usage, there is an XWrite checkbox. This checkbox represents the accelerator activity.
5.
In the desired usage graph pane, select the XWritecheckbox to view the accelerator performance over time.

If you have Rapid NFS enabled, you can use the command line to view statistics, throughput, and the plug-in version by running the ru utility on the client, as follows:

ru --mpt=[rdnfs mount point] | --pid=[process ID of rdnfs] --show=[name|version|parameters|stats|performance]

If you have Rapid CIFS enabled, you can use the command line to view aggregate statistics (even while a backup job is running) using the following command:

\Program Files\Dell\Rapid CIFS\rdcifsctl.exe stats -s
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Uninstalling the Rapid NFS plug-in

Uninstalling the Rapid NFS plug-in

Use the following procedure to remove the DR Rapid NFS plug-in from a Linux-based media server. After you uninstall the plug-in, Rapid NFS will be disabled and “inactive” will be shown next to NFS Write Accelerator on the NFS Connection Configuration pane on the Container Statistics page.

 
NOTE: You should retain the DR Rapid NFS plug-in installer on the media server in case you need to use it to reinstall the plug-in. It is usually located in /opt/dell/DR-series/RDNFS/scripts.

To uninstall the Rapid NFS plug-in on Linux:

1.
Stop the Data Management Application (DMA) backup service before using the -uninstall option.
The Rapid NFS plug-in installer returns an error if the DMA service is running when attempting to uninstall the plug-in.
2.
Run the Rapid NFS plug-in installer (usually located in /opt/dell/DR-series/RDNFS/scripts) with the -uninstall option, which uninstalls the plug-in, using the following command:
$> ./DellRapidNFS-xxxxx-x86_64.bin -uninstall
 
NOTE: You must stop the DMA service before uninstalling the Rapid NFS plug-in (you are also required to use the Rapid NFS plug-in installer to uninstall the plug-in).
3.
Check that the plug-in is uninstalled by viewing the usage graph in the GUI; it should not indicate any XWriteactivity.
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Uninstalling the Rapid CIFS plug-in

Uninstalling the Rapid CIFS plug-in

Use the following standard Microsoft Windows uninstall process to remove the Rapid CIFS plug-in from a Windows-based media server. After you uninstall the plug-in, Rapid CIFS will be disabled and “inactive” will be shown next to CIFS Write Accelerator on the CIFS Connection Configuration pane on the Container Statisticspage.

Alternatively, if you want to disable (but not uninstall) the plug-in, you can run the following Rapid CIFS utility command. The utility is located in Program Files\Dell\Rapid CIFS.
rdcifsctl.exe driver -d
 
NOTE: You should retain the Rapid CIFS plug-in installer on the media server in case you need to use it to reinstall the plug-in.

To uninstall the Rapid CIFS plug-in on Windows:

1.
Click Start, and click Control Panel.
The Control Panel page is displayed.
2.
Under Programs and Features, click Uninstall a program.
The Uninstall or change a program page is displayed.
3.
Locate the Rapid CIFS plug-in in the listed of installed programs, right click and select Uninstall.
The Programs and Features confirmation dialog is displayed.
4.
Click Yes to uninstall the Rapid CIFS plug-in.
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