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NetVault Plug-in for NDMP 12.2 - Application Notes for Huawei OceanStor

Searching for files in savesets

The Search option on the Create Restore Job — Choose Saveset page allows you to find specific files or data items without opening any savesets or browsing through their contents. You can use filenames or regular expressions to find the data items that you want to restore.

1
On the Create Restore Job — Choose Saveset page, click Search.
2
In the Search for files in savesets dialog box, configure the following options:
•
Search String: Type the search string.
•
Regular expression search: To use POSIX (Portable Operating System Interface for Unix) regular expressions in the Search String box, select this check box.
•
Case sensitive: To perform a case-sensitive search, select this check box.
3
Click Search.
On the Search Results page, you can view the savesets that contain the specified files or data items.
4
Select the items you want to restore. You can only restore items from one saveset. Click Next.
5
Complete Step 5 through Step 9 in Restoring data using the plug-in.

Viewing media list

The Media List option on the Create Restore Job — Choose Saveset page lets you view information about the media items used to store a backup. You can view details about the data segments and index segments for a backup.

1
On the Create Restore Job — Choose Saveset page, select the applicable saveset.
2
In the Saveset Information area, click Media List.
In the dialog box that is displayed, you can view the following details:
•
Backup size: This area shows the total size of the saveset in number of bytes
•
Data segment table: This table shows information about the media items that contain the data segments. You can view the following details: media label, media group label, stream ID, starting byte number, ending byte number, and media location
•
Index segment table: This table shows information about the media items that contain the index segments. You can view the media label and media location.
3
To close the dialog box, click Close.

 

Troubleshooting

•
Common errors

Common errors

The following is a list of some common errors and their solution.

 
Table 3. Troubleshooting
Description
Symptom
Solution

The NetVault Backup Service fails to start on a Windows-based NetVault Backup Server.

Check the Windows Event Viewer for the following message:

PDT FATAL: lock file “postmaster.pid” already exists

NetVault Backup cannot start if the PostgreSQL database that is used to store the system data does not start.

To correct this issue, delete the “postmaster.pid” file from the location referenced in the log and restart the NetVault Backup Server.

After restarting the machine, the NetVault Backup Service sometimes fails to start on a Windows-based NetVault Backup Server.

Check the Windows Event Viewer for the following message:

FATAL: could not create any TCP/IP sockets " for a PostgreSQL source

NetVault Backup cannot start if the PostgreSQL database that is used to store the system data does not start.

To correct this issue, start the Task Manager, and click Show processes from all users. You can see multiple instances of postgres32.exe running on the system. To remove all instances of postgres32.exe, select any instance of this process, and click End Process. Start the NetVault Backup Service.

The NetVault Backup Service starts, and then stops immediately on a Linux-based machine.

No error messages are displayed.

This issue can occur if the Postgres service cannot resolve the host name localhost, and fails to start.

Check the /etc/hosts file, and if the file does not contain an entry for localhost, add the entry.

 

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