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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

Fibre channel

Fibre channel

Fibre Channel (FC) is a high-speed network technology primarily used to connect computer data storage to servers in storage area networks (SAN) in enterprise storage. Fibre Channel networks are known as a Fabric because they operate in unison as one big switch. Fibre Channel mainly runs on optical fiber cables within and between data centers. Virtual tape libraries (VTLs) can ingest data over a Fibre Channel interface, which enables seamless integration with many existing backup infrastructures and processes. 

The DR Series system VTL container type is designed to work seamlessly with the FC interface. With FC, the DR Series system can direct attach to NAS filers or Fibre Channel switches and supports SAN devices.

 
NOTE: VTL access via FC is only available on the DR4300, and DR6300.

VTL and DR Series specifications

VTL and DR Series specifications

This topic describes key specifications of VTL support in the DR Series hardware systems.

 
NOTE: The use of VTL is not supported on the DR2000v.
•
Supported VTL Types — The DR Series system supports two types of virtual tape libraries.
◦
Standard emulation of StorageTek L700 library
◦
Dell OEM version of the StorageTek L700 library
 
NOTE: The Dell OEM type VTL is supported only with Veritas Backup Exec and Netbackup data management applications (DMAs).
 
NOTE: Refer to the documentation for your specific DR Series system, which includes DMA best practices whitepapers and the latest DR Series Interoperability Guide, for a complete list of the supported DMAs. Visit the following site and select your specific DR Series system to download documentation: support.quest.com/dr-series.
•
Number of Tape Drives — Each tape library contains 10 tape drives of the type IBM-LTO-4 (‘ULT3580-TD4’)
•
Tapes or Media Sizes— Each library initially is created with 60 slots housing 60 tape media of the default size of 800GiB, which is the equivalent of an LTO4 tape.

You can add additional tapes to the library as needed by editing the container in the GUI or by using the following CLI command:

vtl --update_carts –-name <name> –-add --no_of_tapes <number>

 
NOTE: For more information about using the CLI, see the DR Series Command Line Interface Reference Guide.

A library can only contain tapes of the same size. For example, if the library is originally created with 10 tapes of size 10GiB, additional tapes of size 10GiB can only be added.

Tapes of the following capacity are supported:

Tape

Size

Max number of slots supported

LTO-4

800GiB

2000

LTO-4

400GiB

4000

LTO-4

200GiB

8000

LTO-4

100GiB

10000

LTO-4

50GiB

10000

LTO-4

10GiB

10000

•
Maximum Number of DMAs or Initiators Supported — A tape library can be accessed by one DMA or iSCSI initiator at a time.
Parent topic 

Guidelines for configuring VTL

Guidelines for configuring VTL

The overall steps and recommended guidelines for using and configuring a virtual tape library (VLT) with the DR Series system are described below.

Plan your Environment

Determine the following before creating a container of type VTL.

•
Identify the Data Management Application (DMA) that you will be using to back up data. Refer to the DR Series System Interoperability Guide for a complete list of the supported DMAs.
•
For the NDMP protocol, determine the filer that will be backed up using NDMP Refer to the DR Series System Interoperability Guide for a list of the supported Filers and Operating systems.
•
For the iSCSI protocol, determine the iSCSI initiator’s properties – This is the DMA IP, hostname or IQN of the software initiator on the operating system.
•
For the FC protocol, determine the initiator WWPN, and create the FC switch zone and enable it. (Refer to the administrator documentation for your switch for more information.) FC zoning is required to be "single target single initiator" zoned.
 
NOTE: Point to point cabling is not supported (directly attaching the DR Series system to another system rather then using a switch), and multi-pathing is not currently supported.
•
Assess the estimated size of full and incremental backups and retention periods.
 
NOTE: The size of the full and incremental backups will determine the tape capacity size that you set. You should use a larger tape size for full backups and a smaller size for incremental backups that have smaller retention periods. Note that faster expiration periods of incremental backups residing on smaller tapes results in the release of space back to the system for future backups.
Create Containers of Type VTL
•
Determine the VTL library type (NDMP, iSCSI, or FC) that you should be using as per the suggested type in the best practices guide of your preferred DMA.

Refer to the DR Series system documentation, which includes best practices whitepapers for the supported DMAs, for your specific DR Series system at: support.quest.com/dr-series

•
When creating the container in the GUI or by using the CLI, you will need to set the connection type of either NDMP, iSCSI, or FC. You need to provide either the DMA IP/hostname for NDMP, the IP/hostname or IQN for an iSCSI connection type, or the initiator WWPN for FC.

Refer to the topics, Creating Storage Containers and Creating a VTL Type Container, for detailed instructions about creating containers. Refer to the DR Series System Command Line Interface Guide for details about the CLI commands for creating containers.

Authentication/User Management Considerations
•
You can use the following commands to view user information and manage passwords for the iSCSI user: iscsi_user, and NDMP user: ndmp_user.
◦
iscsi --show
◦
ndmp --show
◦
iscsi --setpassword
◦
ndmp --setpassword

Refer to the DR Series System Command Line Reference Guide for more details about using these commands.

•
For iSCSI, you need to set the system-wide CHAP account for the DR Series system. You can add this user on the Users page in the DR Series system GUI. See the topic, “Adding a User” for instructions for adding an iSCSI user and password.
•
For NDMP, you can set the password for ndmp_user by using the CLI or on the Users page in the DR Series system GUI. These credentials are needed for configuring the NDMP-VTL in the DMA. See the topic, “Adding a User” for instructions for adding an NDMP user and password.
Verify the Tape Library Creation

You can easily check that the library has been created and is available for use by using the following commands.

•
Check the container properties by executing the following command:

container --show –verbose

◦
Upon initial addition of the connection, the NDMP/iSCSI connection status shows as ‘Added”. At this time, the library is not officially created.
◦
After a few minutes, the NDMP/iSCSI connection status changes to “Available” . This status indicates that the library is online, and the tape drives and media is available for usage.
•
To check the status of the virtual tape library and all the tapes in the library, you can execute one of the following commands:
◦
vtl –show
◦
vtl --show --name <container_name> --verbose
Configure the Library in the DMA

See the DR Series system documentation, which includes DMA best practices whitepapers for your specific DR Series system at:

support.quest.com/dr-series.

Parent topic 

Configuring and Using Encryption at Rest

Configuring and Using Encryption at Rest

Understanding Encryption at Rest
Encryption at Rest Terminology
Encryption at Rest and DR Series Considerations
Understanding the encryption process

This chapter introduces the concept of Encryption at Rest as used by the DR Series system as well as related concepts and tasks.

 
NOTE: Due to export regulations, the encryption at rest feature is not available in certain markets, and, therefore, may not be available in your locale.

Refer to the subsequent topics for more information.

 
 
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