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NetVault 13.3.2 - Administration Guide

Introduction Getting started Configuring clients Managing catalog search Configuring storage devices
About storage devices SAN considerations Quest DR Series systems Quest QoreStor Object storage NetVault SmartDisk EMC Data Domain Systems Snapshot Array Manager Virtual Tape Libraries Virtual standalone drives Shared Virtual Tape Libraries Physical tape devices Storage tiers
Backing up data Managing policies Restoring data Managing NetVault dashboard Managing jobs Monitoring logs Managing storage devices
Monitoring device activity Managing disk-based storage devices in list view Managing disk-based storage devices in tree view Managing the Snapshot Array Manager Managing tape libraries in list view Managing tape libraries in tree view Managing tape drives in list view Managing tape drives in tree view Adding shared devices
Managing storage media Managing user and group accounts Monitoring events and configuring notifications Reporting in NetVault Working with client clusters Configuring default settings for NetVault
About configuring default settings Configuring encryption settings Configuring plug-in options Configuring default settings for post-scripts Configuring default settings for Verify Plug-in Configuring Deployment Manager Settings Configuring Job Manager settings Configuring Logging Daemon settings Configuring Media Manager settings Configuring Network Manager settings Configuring Process Manager settings Configuring RAS device settings Configuring Schedule Manager settings Configuring Web Service settings Configuring Auditor Daemon settings Configuring firewall settings Configuring general settings Configuring security settings Synchronizing NetVault Time Configuring default settings for global notification methods Configuring the reporting utility Configuring NetVault WebUI default settings Configuring NetVault to use a specific VSS provider Configuring default settings using Txtconfig
Diagnostic tracing Managing diagnostic data Using the deviceconfig utility NetVault processes Environment variables Network ports used by NetVault Troubleshooting
Common errors
NetVault Service fails to start on Windows NetVault Service fails to start after the machine is restarted NetVault Service starts, but stops immediately on Linux Login fails after any change in the server IP address Unexpected behavior of NetVault WebUI WebUI does not run in Compatibility View in Internet Explorer NetVault installer fails during push installation VSS-based backup fails Modifying TCP/IP socket buffer size on Windows Restores using Data Copy savesets fail on clients running NetVault 10.0.1 Restore fails on Itanium platforms if the index is larger than 2GB After upgrade, Data Copy and Consolidated backup job on Linux fails After upgrade, console error is displayed on WebUI pages Deployment task hangs on target Linux machine during push installation. Unable to add package store with hostname. Deployment task fails due to network configuration issues. Domain user is unable to login NetVault Server if the workstation attribute is set. Domain user is unable to login NetVault Server on Debian 9. Adding the target machine as a client fails, after successful push installation. Unable to install, uninstall or navigate catalog search page after manually uninstalling NetVault Client Host. Unable to install, uninstall catalog search on client after NetVault Server migration with the same or different server name External Azure AD user cannot add an external Azure AD user to NetVault Server Failed to verify target Windows machine from a Linux-based NetVault Server NetVault is unable to send reports as an email attachment in PDF format on RHEL 5.x platform Restore fails on NetVault Database backup When using RDA for backups, only four streams are used at once Unable to create large VTL on Linux Browsing a folder with a large number of files times out Push installation failed on Linux
Safe Mode in NetVault

Data Domain System prerequisites

Before adding a Data Domain system to a NetVault Server, verify that the following requirements are met:

•
Install DD Boost license on the Data Domain System: To use a Data Domain system for backups and restores, install the required DD Boost license and enable DD Boost on the Data Domain systems.
•
Create a DD Boost user account: On the Data Domain system, create a DD Boost user account that can be used to log on to the device for backups and restores.
•
Configure the required DD Boost features: On the Data Domain system, configure the features that you want to use. For more information about enabling and configuring DD Boost features, see the DD Boost section in the DD OS Administration Guide.
•
Open the required firewall ports: To perform DD Boost backups and replication across a firewall, open the following ports on the Data Domain system:
•
TCP 2049 (NFS)
•
TCP 2051 (Replication)
•
TCP 111 (NFS portmapper)
•
TCP xxx (select a random port for NFS mounted)
•
Install Microsoft Visual C++ 2005 SP1 Redistributable Package on Windows: Install the Microsoft Visual C++ 2005 SP1 Redistributable Package on Windows-based NetVault Server. This requirement applies to all supported Windows platforms. The DD Boost library fails to load if you do not install this package on Windows.
•
Configure network time-outs: Backup and restore jobs often take a long time to complete. Although the DD Boost Library can recover from temporary network interruptions, the operating system on the data protection application system might terminate a job prematurely if the data protection application time-outs are set too low. To avoid this, Data Domain recommends setting time-outs to at least 30 minutes (1800 seconds).

Adding a Data Domain System

To use a Data Domain system for backups and restores, you must first add the device to the NetVault Server. You can use the configuration wizard to add and configure this device.

To add a Data Domain system to the NetVault Server:
1
In the Navigation pane, click Guided Configuration, and then on the NetVault Configuration Wizard page, click Add Storage Devices.
— or —
In the Navigation pane, click Manage Devices, and then click Add Device.
2
On the Add Storage Devices page, select the Data Domain Boost Device option, and click Next.
3
On the Add EMC DDBoost Storage page, provide the following details.
Figure 7. Add EMC DDBoost Storage page
 
Table 32. Add Data Domain system
Option
Description

Network name/IP address

Type the Fully Qualified Domain Name (FQDN) or IP address of the Data Domain system.

If the server is unable to resolve the host name, it fails to add the device.

Username

Specify a DD Boost user account that can be used to log on to the device for backups and restores. Verify that the user account is created on the Data Domain system before you add the device to the NetVault Server.

Password

Type the password for the user account.

Container

Type the name of the container. If the specified container does not exist on the Data Domain system, NetVault automatically creates it when you add the device to the server. You can configure multiple containers on a single Data Domain system.

Each Data Domain system added to NetVault represents a container.

Block size

Type or select the block size for data transfers. The block size is specified in KiB. The default block size is 128 KiB.

Stream Limit

The default value for this setting is 32 streams. This setting applies to all NetVault Servers to which the container is added. If the number of data streams exceeds the defined limit for the container, the Media Manager reports an error (“Device has too many streams”).

You can set the soft stream limit to any value between 1 and 256.

If the container is added to more than one NetVault Server, set the same soft stream limit on all servers.

Force Add

If the device is already added to another NetVault Server with the same name, select the Force Add check box. This option can be useful if you have performed a disaster recovery to rebuild the NetVault Server.

4
Click Next to add the device.
5
After the device is successfully added and initialized, a message is displayed.
 
* 
NOTE: When you add a Data Domain system, NetVault creates several metadata files on the device. Each NetVault Server (to which you add the Data Domain system) creates is its own set of metadata files.

NetVault writes the data transfer statistics for Data Domain Systems to the stats.stnz file. The nvstatsmngr process uses this file and requires that it is regularly updated. However, frequent updates can have a significant performance impact on the system. By default, NetVault updates the file after every 5 seconds or 10 blocks of data transfer. You can change this default setting from the Change Settings page. For more information, see Configuring transfer update settings for foreign RAS devices.

DD Boost commands

This section provides a brief description of the DD Boost commands that you can use to manage the DD Boost features on a Data Domain system. For a detailed description of these commands, see the DD Boost section in the DD OS Administration Guide. For information about configuring DD Boost from the graphical-user interface-based Enterprise Manager, see the DD OS Administration Guide.

DD Boost Access
•
Add clients to DD Boost access list:
ddboost access add clients <client-list>
•
Delete clients from DD Boost access list:
ddboost access del clients <client-list>
•
Reset DD Boost access list to factory default:
ddboost access reset
•
Enable DD Boost:
ddboost enable
•
Disable DD Boost:
ddboost disable
•
Display DD Boost access list:
ddboost access show
•
Display DD Boost status (whether enabled or disabled):
ddboost status
•
Display number of active clients and connections:
ddboost show connections
This command displays the number of active clients, connections used for DD Boost, and connections used for a given group. It also provides an overview of the available interfaces.
•
Delete all storage units and their contents from the Data Domain system:
ddboost destroy
This command removes all data from the storage units. The corresponding catalog entries must be removed manually.
DD Boost User
•
Set DD Boost user:
ddboost set user-name <user-name>
•
Display the current user:
ddboost show user-name
•
Reset the DD Boost user:
ddboost reset user-name
Distributed Segment Processing
•
Enable or disable Distributed Segment Processing:
ddboost option set distributed-segment-processing {enabled | disabled}
•
Display status of the Distributed Segment Processing option (whether enabled or disabled):
ddboost option show distributed-segment-processing
•
Reset Distributed Segment Processing to the default option (that is, enabled):
ddboost option reset distributed-segment processing
File Replication
•
Enable file replication:
ddboost file-replication option set {encryption {enabled | disabled}|
low-bw-optim {enabled | disabled}
Note the following:
•
To enable file replication, this option should be set on both the source and destination Data Domain systems. Only an administrator can set this option.
•
To use encryption, the encryption option should be enabled on both the source and destination systems.
•
Low-bandwidth optimization option is only recommended for networks with less than 6 Mbps aggregate bandwidth. This option is disabled by default. For maximum filesystem write performance, leave this option disabled.
•
Display status of the encryption or low-bandwidth optimization options (whether enabled or disabled):
ddboost file-replication option show [low-bw-optim]| [encryption]
•
Reset the low-bandwidth optimization or encryption option for file replication:
ddboost file-replication option reset {low-bw-optim | encryption}
•
Display file replication statistics:
ddboost file-replication show stats
•
Reset file replication statistics:
ddboost file-replication reset stats
•
Display the status of a DD Boost file replication transfer:
ddboost file-replication show active
•
Display the data transfer history between the source and destination systems:
ddboost file-replication show history [duration duration{day | hr}]
[interval hr]
This command displays the amount of pre- and post-compressed data, network transfer data, low‑bandwidth optimization factor, and number of errors.
Interface Group (ifgroup)
•
Add an interface:
ddboost ifgroup add interface <IP Address>
•
Remove an interface from the group:
ddboost ifgroup del <IP Address>
Before you issue this command, verify that the interface that you want to remove is not in use by any backup or restore job.
•
Enable Advanced Load Balancing and Link Failover:
ddboost ifgroup enable
•
Disable Advanced Load Balancing and Link Failover:
ddboost ifgroup disable
•
Remove the interfaces for Advanced Load Balancing and Link Failover and disable the ifgroup:
ddboost ifgroup reset
This command is equivalent to issuing the ddboost ifgroup disable command followed by multiple ddboost ifgroup del interface ipaddr commands.
•
Display interfaces added to an ifgroup:
ifgroup show config
•
Display Link Aggregation status:
ifgroup status
Storage Unit
•
Create a storage unit:
ddboost storage-unit create <storage-unit-name>
•
Delete a storage unit:
ddboost storage-unit delete <storage-unit-name>
The corresponding catalog entries should be removed manually.
•
Display the names of all storage units or the names of all files in a specified storage unit:
ddboost storage-unit show [compression] [storage-unitname]
Use the compression option to display the original byte size, global compression, and local compression for all storage units.
Statistics
•
Show the read-write statistics, including number of errors
ddboost show stats [interval seconds] [count count]
•
Reset all statistics or clear all job connections when a network connection is lost
ddboost reset stats

Snapshot Array Manager

This section includes the following topic:

•
Supported Storage Array Manager
•
Prerequisites
•
Adding Snapshot Array Manager
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