HP 12000 HP 12200 Gateway Virtual Library System User Guide (BW403-10001, June - Page 72

Editing the Data Protector Configuration, Configuration, System, Chassis, Maintenance Tasks

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Figure 9 Configuring Deduplication Options 5. Select the data types to change. 6. Select the new policy state or deduplication algorithm from the appropriate list. By default, deduplication is enabled for all data types that support it. By default, file servers will back up using a file-level differencing algorithm. Because in some cases this algorithm may be less space efficient (e.g., if the file server is full of very small files), there is a backup-level algorithm. Note that database data defaults to the backup-level differencing algorithm. 7. Select GO next to the pull-down field you changed. The screen refreshes and updates the information. NOTE: You can set the state and backup algorithm at the individual backup job level. On the Configuration screen, select a specific data type to display all the backup jobs of that type, then follow steps 6 and 7 above. Editing the Data Protector Configuration Data Protector adds one suffix to the backup job names of full backups and a different suffix to the backup job names of incremental backups. Because the job names are not identical, full backups will not deduplicate against incremental backups. However, you can set up deduplication to strip off the suffixes so the two types of jobs will deduplicate. From Command View VLS: 1. Select the System tab. 2. In the navigation tree, select Chassis. The chassis details screen opens 3. Under the Maintenance Tasks list, select System Maintenance. 4. From the task bar, select Edit Data Protector Configuration. 5. Enter the suffix of the full backup job names in the text box. 6. Select Submit. The suffix appears in a list beneath the text box. 7. Enter the suffix of the incremental backup job names in the text box. 8. Select Submit. The suffix is added to the list on the screen. 9. Repeat this procedure for all of the suffixes you want deduplication to ignore. 10. When you have added all of the necessary suffixes, select Return. 72 Deduplication

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Figure 9 Configuring Deduplication Options
5.
Select the data types to change.
6.
Select the new policy state or deduplication algorithm from the appropriate list.
By default, deduplication is enabled for all data types that support it.
By default, file servers will back up using a file-level differencing algorithm. Because in some
cases this algorithm may be less space efficient (e.g., if the file server is full of very small files),
there is a backup-level algorithm. Note that database data defaults to the backup-level
differencing algorithm.
7.
Select
GO
next to the pull-down field you changed.
The screen refreshes and updates the information.
NOTE:
You can set the state and backup algorithm at the individual backup job level. On the
Configuration
screen, select a specific data type to display all the backup jobs of that type, then
follow steps 6 and 7 above.
Editing the Data Protector Configuration
Data Protector adds one suffix to the backup job names of full backups and a different suffix to
the backup job names of incremental backups. Because the job names are not identical, full backups
will not deduplicate against incremental backups. However, you can set up deduplication to strip
off the suffixes so the two types of jobs will deduplicate.
From Command View VLS:
1.
Select the
System
tab.
2.
In the navigation tree, select
Chassis
. The chassis details screen opens
3.
Under the
Maintenance Tasks
list, select
System Maintenance
.
4.
From the task bar, select
Edit Data Protector Configuration
.
5.
Enter the suffix of the full backup job names in the text box.
6.
Select
Submit
. The suffix appears in a list beneath the text box.
7.
Enter the suffix of the incremental backup job names in the text box.
8.
Select
Submit
. The suffix is added to the list on the screen.
9.
Repeat this procedure for all of the suffixes you want deduplication to ignore.
10. When you have added all of the necessary suffixes, select
Return
.
72
Deduplication