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Dell DR4100 Symantec NetBackup - Setting up the DR Series System on Symantec N - Page 85

B.2.4 Media retention and grouping, B.2.5 VTL media count guidelines

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20TB Total initial footprint with a 10% change rate Week 1 2 3 4 5 Total Pre-Deduplication Logical Size 24.2TB Logical Full Metrics 20TB 10% Change Rate Logical Incremental Metrics 2TB 24.2TB 20TB 2TB 24.2TB 20TB 2TB 24.2TB 20TB 2TB 24.2TB 20TB 2TB 121TB B.2.4 Media retention and grouping Due to the nature of VTL, media must be managed to insure that physical capacity is reclaimed in an orderly fashion to avoid running out of space and disrupting operations. Media must be grouped within the data management application, in a way that full data sets are targeted to separate media as incremental data; and, they, in turn, are grouped by data sets that expire within the same period or that share the same recovery point objective. This insures that media can be reused effectively so that when full all incremental data expire the logical space can be reconciled thus enabling the physical space to be reclaimed. B.2.5 VTL media count guidelines Type Capacity Max number of Tapes supported LTO-4 800GiB 2000 LTO-3 400GiB 4000 LTO-2 200GiB 8000 LTO-1 100Gib 10000 LTO-1 50Gib 10000 LTO-1 10GiB 10000 85 Setting up the Dell™ DR Series System on Symantec™ NetBackup™ | July 2015

Section	Page
1 Installing and configuring the DR Series system for use with Symantec NetBackup	6
1.1 Symantec NetBackup prerequisites	6
1.2 Installing and configuring the DR Series system	6
2 Configuring a CIFS or NFS target container	10
2.1 Setting up Symantec NetBackup storage units - Windows	12
2.2 Setting up Symantec NetBackup storage units - Unix/Linux	16
2.3 Creating a new backup job with the DR Series system as the target	17
2.4 Setting up native replication & restore from the target container	23
2.4.1 Building the replication relationship between two DR Series systems	23
2.4.2 Backing up the image to the source DR Series system	27
2.4.3 Cleaning up the image from NetBackup	29
2.4.4 Importing the image from the target DR Series system	30
2.5 Restoring the image from the target DR Series system	33
3 Creating and configuring OST target container(s) for NetBackup	35
3.1.1 Setting up NetBackup for virtual synthetic backup on a Windows or Linux client	36
3.1.2 Backing up using NetBackup virtual synthetic backup	49
4 Configuring VTL type containers for use with Symantec NetBackup	52
4.1 Creating and configuring NDMP target container(s) for NetBackup	52
4.1.1 Creating the NDMP VTL container	52
4.1.2 Setting up NetBackup to use the newly created NDMP VTL	54
5 Setting up the DR Series system cleaner	76
6 Monitoring deduplication, compression, and performance	77
A Creating Symantec NetBackup storage units for CIFS and NFS	78
A.1 Creating a storage unit for CIFS	78
A.2 Creating a storage unit for NFS	80
B VTL configuration guidelines	81
B.1 Managing VTL protocol accounts and credentials	81
B.1.1 iSCSI Account Details and Management	81
B.1.2 NDMP account details and management	82
B.1.3 VTL default account summary table	83
B.2 Managing VTL media and space use	83
B.2.1 General performance guidelines for DMA configuration	83
B.2.2 Physical DR space sizing and planning	83
B.2.3 Logical VTL geometry and media sizing	84
B.2.4 Media retention and grouping	85
B.2.5 VTL media count guidelines	85
B.2.6 Adding media to a VTL container	86
B.2.7 Updating NetBackup to identify newly added VTL media	86