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NetVault 12.3 - Administration Guide

Introduction Getting started Configuring clients Managing catalog search Configuring storage devices Backing up data Managing policies Restoring data Managing NetVault Backup 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
About user accounts About user and group privileges and presets Creating a user account Modifying a user account Deleting a user account Setting a user policy Using Secure Mode Using Presets User privileges Predefined Presets Integrating Active Directory with NetVault Backup Using Azure Active Directory as an identity provider
Monitoring events and configuring notifications Reporting in NetVault Backup Working with client clusters Configuring default settings for NetVault Backup
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 Backup WebUI default settings Configuring NetVault Backup to use a specific VSS provider Configuring default settings using Txtconfig
Diagnostic tracing Managing diagnostic data Using the deviceconfig utility NetVault Backup processes Environment variables Network ports used by NetVault Backup Troubleshooting
Common errors
NetVault Backup Service fails to start on Windows NetVault Backup Service fails to start after the machine is restarted NetVault Backup Service starts, but stops immediately on Linux Login fails after any change in the server IP address Unexpected behavior of NetVault Backup WebUI WebUI does not run in Compatibility View in Internet Explorer NetVault Backup 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 Backup 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 Backup Server if the workstation attribute is set. Domain user is unable to login NetVault Backup 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 Backup Client Host. Unable to install, uninstall catalog search on client after NetVault Backup Server migration with the same or different server name External Azure AD user cannot add an external Azure AD user to NetVault Backup Server Failed to verify target Windows machine from a Linux-based NetVault Backup server
Safe Mode in NetVault Backup

Mixed media settings

On the Mixed Media screen, the following settings are available.

 
Table 153. Mixed Media settings
Setting
Description

Slot Types

This option specifies the slot ranges for each media type. The media organization in the library during initial setup determines how you configure this setting. To create this list, assign a unique Slot Type Identifier for each media type and specify the corresponding slot range for it. The format for creating is:

<SlotTypeIdentifier>=<SlotRange>

To specify more than one slot range for a media type, create a separate list item. Comma-separated values are not supported. Use the same Slot Type Identifier for configuring the additional slots or slot ranges. When assigning a Slot Type Identifier, verify that it allows you to easily identify the media type contained in the slot. No spaces are allowed in the values.

Example:

SDLTMedia=1-10

STKRMedia=11-30

LTO1Media=31-60

LTO1Media=101

Drive Types

This option specifies the types of drives that are available on the library. To create this list, assign a unique Drive Type Identifier for each media type and specify the corresponding drive number for it. The format for creating this list is:

<DriveTypeIdentifier>=<DriveNumber>

For multiple drives of the same type, configure each individual drive as a separate list item. Comma-separated values are not supported. Use the same Drive Type Identifier for configuring multiple drives of the same type. When assigning a Drive Type Identifier, make sure that it allows you to easily identify the drive type. No spaces are allowed in the values.

Example:

SDLT=1

STKR=2

STKR=3

LTO1=4

Drive Types/Media Type Compatibilities

This option specifies the supported media type for each drive type. The format for creating this list is:

<DriveTypeIdentifier>=<SlotTypeIdentifier>

Example:

SDLT=SDLTMedia

STKR=STKRMedia

LTO1=LTO1Media

This configuration ensures that a piece of media is only obtained from the corresponding slots when a particular type of drive is accessed.

Configuring default settings for tape drives

To configure default settings for a tape drive:
1
Start a terminal session or command window, and navigate to the “bin” directory under the NetVault Backup installation directory.
2
Type the following command:
deviceconfig [-servername <FQDN> (-httpport <HTTP port> |
-httpsport <HTTPS port>)] -username <NetVault Backup user>
-password <user password>
‑drivemachine <drive machine name> -drivepath <path to drive>
These options are described in the following table.
 
Table 154. deviceconfig options for modifying tape drive settings
Option
Description

-servername

Specifies the FQDN, or IP Address of the NetVault Backup Server.

With this option, you must specify either the HTTP or HTTPS port to connect to the remote Web Service.

If you omit this option, the local server is used. The deviceconfig utility connects to the local Web Service and automatically detects the local Web Service configuration.

-httpport

Specifies the HTTP port for Web Service. This option is only required if the server name is supplied.

-httpsport

Specifies the HTTPS port for Web Service. This option is only required if the server name is supplied.

-username

Specifies a valid NetVault Backup user name.

-password

Specifies the password for the user account.

-drivemachine

Specifies the name of the NetVault Backup machine to which the drive is attached.

-drivepath

Specifies the name or path of the drive.

3
The deviceconfig utility displays the Drive Configuration screen. You can access the configuration settings by pressing the corresponding option number. The available setting types include the following:
•
NDMP Configuration: To configure NDMP Settings, select this option. For more information about these settings, see NDMP settings.
•
Configuration: To configure general settings for a tape drive, select this option. For more information about these settings, see General settings for tape drives.
•
Software Compression: To configure software compression settings, select this option. For more information about these settings, see Software compression settings.
•
Performance: To configure drive performance settings, select this option. For more information about these settings, see Drive performance settings.
•
Statistics: To configure statistics collection settings, select this option. For more information about these settings, see Statistics collection settings.
•
Generic Cleaning: To configure generic cleaning settings for a tape drive, select this option. For more information about these settings, see Generic cleaning settings.
4
To save the changes and quit, press s.
(To quit without saving the changes, press q.)
Examples
•
deviceconfig -username default -drivemachine Server-A
-drivepath “Tape fas3020:nrst2a(QUANTUM SDLT320)”
•
deviceconfig -username admin -password mypassword ‑drivemachine Server‑A ‑drivepath “2-0.2.0 (SONY SDX-500C)”
•
deviceconfig -servername 10.11.25.125 -httpsport 8443 -username admin
-password mypassword -drivemachine Client-A
‑drivepath “2-0.2.0 (SONY SDX-500C)”

NDMP settings

On the NDMP Configuration screen, the following settings are available.

 
Table 155. NDMP settings
Setting
Description

Allow Mover to do Local Data Transfer if Possible

The default setting is OFF. To change it, press the option number.

Allow Mover to do IPC Data Transfers if Possible

The default setting is OFF. To change it, press the option number.

Allow Mover to do TCP Data Transfer if Possible

The default setting is ON. To change it, press the option number.

Allow Mover to do Direct Backup if Possible

The default setting is ON. To change it, press the option number.

Allow Mover to do Direct Restore if Possible

The default setting is ON. To change it, press the option number.

Emulate NDMP Device

The default setting is ON. To change it, press the option number.

General settings for tape drives

On the Configuration screen, the following settings are available.

 
Table 156. General settings for tape drives
Setting
Description

Device Serial Number

Displays the drive serial number.

End of media warning

This option specifies the amount of media reserved at the end of the tape at which the “end of media” warnings are issued. This value is specified in MB. The default value is 0MB.

Time between polling empty drive

This option specifies the interval at which NetVault Backup polls a standalone drive to detect a tape in the device. This value is specified in number of minutes. The default value is one (1).

To turn off polling, set this option to zero (0).

Media block size (KiB)

This option specifies the block size used for read and write operations. The default value is 64KiB.

You can change the media block size in increments of 1KiB, but many devices may only accept a value in the multiples of 4KiB or 32KiB.

NOTE: The changes to the media block size settings are only applied to blank media items. If you are reusing a media item, blank it first for these changes to take effect.

Increasing the block size can reduce the number of times a backup needs to read data and write it to media. However, large media block sizes do not always imply an overall faster backup. The maximum block size is limited by several factors, such as the OS, SCSI adapter, drive make, drive model, and drive type.

On Linux and UNIX systems, you can increase the media block size for optimum performance.

On Windows, you might be required to change the registry setting MaximumSGList to use block sizes larger than 64KB. Before changing this setting, check that the SCSI bus is only used by the tape devices. If other devices also use the SCSI bus, this registry change might prevent them from working. If you want to apply these changes only to a specific channel on the HBA, consult the hardware vendor.

To change the registry setting on Windows, follow these steps:

1
Start the Registry Editor.
2
Open the key [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ Services\<HBA Vendor>\Parameters (where <HBA Name> is specific to your SCSI card — for example, QL2200 for a Qlogic 2200 card).
3
Create the Parameters key if not present.
4
Under Parameters, create the Device key if not present.
5
Under the Device key, add the DWORD registry value MaximumSGList if not present.
6
Calculate the hexadecimal value of MaximumSGList:
On 32-bit systems:
MaximumSGList = (Maximum Block Size / 4KiB) + 1
For example, if the block size is set to 256KiB, the value for this key is:
(256KiB/4KiB) + 1 = 65
The decimal value is 65 and the hexadecimal value is 0x41.
You can set the block size to any value from 64KiB through 1012KiB. The maximum value 255 is internally converted to 257 to make a block size of 1 MiB (1024 KiB).
On 64-bit systems:
On 64-bit systems, the default OS page size is 8KiB. The formula for calculating MaximumSGList is:
MaximumSGList = (Maximum Block Size / 8KiB) +1
Thus, the maximum value of 255 corresponds to a maximum media block size of 2MiB.
7
Reboot the system to apply the changes.

Time to wait for plugin to connect

This option specifies the timeout period for the plug-in to connect to NetVault Backup. The job is aborted if connection cannot be established within the specified interval. This value is specified in number of seconds. The default value is zero (0). With the default setting, the job is not timed out.

Supports Short Reads

The default setting is ON. To change it, press the option number.

Cleaning Tapes Supported

This option indicates whether the library supports cleaning tapes or not. The default value is usually correct, unless certain library models have a different setting.

Compression

This option allows you to use a tape drive’s built-in compression feature. Not all tape drives support hardware-based data compression. The compression ratio varies depending on the type of data and the compression algorithm that the drive uses. Consult the hardware documentation to determine the compression ratios for the drive.

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