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Monitoring deduplication, compression, and performance

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6 Monitoring deduplication, compression, and performance After backup jobs have run, the DR Series system tracks capacity, storage savings, and throughput on the DR Series system dashboard. This information is valuable in understanding the benefits of the DR Series system. Note: Deduplication ratios increase over time. It is not uncommon to see a 2-4x reduction (25-50% total savings) on the initial backup. As additional full backup jobs are completed, the ratios will increase. Backup jobs with a 12-week retention will average a 15x ratio, in most cases. 94 Setting Up the Dell™ DR Series System on Symantec™ Backup Exec™ | April 2015

Section	Page
1 Installing and configuring the DR Series system	6
2 Configuring the DR Series system as a backup to disk target on Symantec Backup Exec	10
2.1 Creating a CIFS Container for use with Symantec Backup Exec 2012, 2014, and 2015	10
2.2 Adding the DR Series system container share as a disk storage device on Backup Exec 2012/2014/2015	13
2.3 Creating a new backup job with the DR Series system as a target	17
2.4 Setting up DR Series system replication and restore from the replication target	25
2.4.1 Creating the replication session	25
2	25
3	25
3.1	25
3.2	25
2.4.2 Restoring from the replication target	28
3 Configuring VTL	31
3.1 Creating a VTL container	31
3.2 Setting the iSCSI target CHAP credentials	33
3.3 Configuring the iSCSI target – Windows	34
3.4 Configuring the iSCSI target – Linux	38
3.5 Adding additional media to the VTL container	39
3.6 Configuring the DR Series system VTL in Backup Exec	41
3.7 Performing backup and restore using DR VTL	46
3.8 Restoring from tape	58
4 Configuring an OST container on the DR Series system for use with Symantec Backup Exec Server 2014/2015	65
4.1 Creating an OST container	65
4.2 Installing the OST plugin	67
4.3 Configuring the OST device in Backup Exec	70
4.4 Performing backup and restore using the DR Series system OST device	76
4.5	85
4.6 Restoring data	86
5 Setting up the DR Series system cleaner	93
6 Monitoring deduplication, compression, and performance	94
A Setting data expiration for Backup Exec 2012/2014/2015	95
B Installing Backup Exec Agent on Linux client (RALUS)	96
C VTL configuration guidelines	97
C.1 Installing latest Backup Exec service packs for the DR Series system iSCSI VTL capability	97
C.2 Managing VTL media and space use	97
C.2.1 General performance guidelines for DMA configuration	97
C.2.2 Physical DR space sizing and planning	97
C.2.3 Logical VTL geometry and media sizing	98
C.2.4 Media retention and grouping	99
C.2.5 VTL media count guidelines	99

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Setting Up the Dell™ DR Series System on Symantec™ Backup Exec™ | April 2015

Monitoring deduplication, compression, and performance

After backup jobs have run, the DR Series system tracks capacity, storage savings, and throughput on the

DR Series system dashboard. This information is valuable in understanding the benefits of the DR Series

system.

Note:

Deduplication ratios increase over time. It is not uncommon to see a 2-4x reduction (25-50% total

savings) on the initial backup. As additional full backup jobs are completed, the ratios will increase.

Backup jobs with a 12-week retention will average a 15x ratio, in most cases.