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NetVault 13.0.3 - Administration Guide for Managed Service Providers

Introduction Getting started Configuring clients Managing catalog search Configuring storage devices
About storage devices SAN considerations Quest DR Series systems Quest QoreStor 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
Role-based access to manage 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 Managing Tenant 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 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 Safe Mode in NetVault

Restore fails on NetVault Database backup

Description

On Windows 2012, the Plug-in for Databases fails to restore a NetVault Database backup that is stored in a NetVault SmartDisk device.

Symptom

When restoring from a DAV device, the restore fails, but only when NetVault is run as a service.

Solution

If the NetVault Database backup is stored in NetVault SmartDisk, stop the NetVault Service and run the service in “user space” (that is, nvpmgr debug) before starting the restore job.

When using RDA for backups, only four streams are used at once

Description

When using RDA to back up 20 or more clients, in device activity, only four streams are used at once. Updating the setting in the configuration file at /config/dellrda config file from 32 streams to 512 streams and restarting NetVault services, yields the same result.

Symptom

When multiple backup jobs that target the same disk-based storage device are scheduled to start at the same time or within a small window of time, the following issues occur:

•
The target device is underused regarding the number of streams.
•
Some jobs remain in the “Waiting for media” state even if the device can run parallel jobs.
•
The completion time for small jobs increases by a few seconds or minutes.
Solution

These issues occur because the Media Manager uses a “quiesce time” setting to prevent assigning too many simultaneous jobs to a disk-based backup device. By default, the quiesce time is set to 10 seconds. Thus, after a job is assigned to a disk-based storage device, the Media Manager waits for 10 seconds before assigning the next job to the same device. You can change the default setting for quiesce time in the mediamgr.cfg file.

To change quiesce time for disk-based storage devices:
1
Open the mediamgr.cfg file in a text editor.
You can find this file in <NetVault home>\config on Windows and <NetVault home>/config on Linux.
2
Change the value for the following entry:
[Media Requests:RAS quiesce time]
Type=Range
Range=0,1000
Value=10
The default value is 10. To start the jobs at the same time, set the value to 0 (Value=0).
3
Save the file.

Note the following:

•
This setting applies to all disk-based storage devices (DR Series systems, EMC Data Domain Systems, and NetVault SmartDisk devices).
•
For shared NetVault SmartDisk devices, this value cannot be set to 0.

Unable to create large VTL on Linux

 

Description

When creating a Large_VTL on a Linux machine, the NetVault WebUI takes too long to respond and the session expires.

Symptom

On a Linux NetVault Server, when creating a Large_VTL, if the WebUI times out due to inactivity or the user closes the WebUI while the creation is still in progress, the VTL creation does not occur.

Solution

In the WebUI, add a VTL using the Re-add previously generated virtual device option.

 
* 
NOTE: This solution works only when the VTL entry is present in the "diskdevice.cfg" file under "libraries" section and when the directory is present in the mentioned path.

Browsing a folder with a large number of files times out

Description

During a restore, browsing and expanding a folder with a large number of files, such as 10,000 or more, fails.

Symptoms

After several minutes of browsing, the restore job times out, the WebUI does not respond, or the error, “The remote machine: [MACHINE_NAME] is unavailable,” appears.

Solution 1

Use Catalog Search to find the item that you want to restore.

Solution 2

Manually increase the web services physical client long timeout settings by completing the following steps:

1
In the Navigation pane, click Change Settings.
2
On the NetVault Server Settings page, under Services, click Web Service.
3
In the Web Service dialog box, configure the Physical Client Long Timeout setting to the maximum amount of 60,000 seconds.
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