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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. 44 Setting up the Dell DR Series System with IBM Tivoli Storage Manager

Section	Page
1 Installing and configuring the DR Series system	5
1.1 Creating a container (NFS/CIFS)	8
1.2 Creating a VTL container with an iSCSI connection	10
2 Configuring IBM Tivoli Storage Manager for CIFS & NFS target containers	13
2.1 Configuring the device class for CIFS & NFS protocols	13
2.2 Configuring the storage pool for CIFS & NFS protocols	16
2.3 Creating a policy domain for the backup job	19
2.4 Creating client node and backup sets	23
3 Creating and configuring iSCSI target container(s) for TSM	25
3.1 Configuring the iSCSI initiator	25
3.1.1 Configuring ISCSI initiator for Windows	25
3.1.2 Configuring the iSCSI initiator – Linux	29
3.2 Configuring DR Series system VTL for Windows and Linux TSM servers	30
3.2.1 Configuring the DR Series system VTL for Windows	30
3.2.1.1 Define library	30
3.2.1.2 Define library path	30
3.2.1.3 Define drive	30
3.2.1.4 Define drive path	30
3.2.1.5 Audit the library	30
3.2.1.6 Check in the library volumes	31
3.2.2 Configuring the DR Series system VTL for Linux	31
3.2.2.1 Define library	31
3.2.2.2 Define library path	31
3.2.2.3 Define drive	31
3.2.2.4 Define drive path	31
3.2.2.5 Audit the library	31
3.2.2.6 Checkin the library volumes	31
3.3 Configuring the device class for iSCSI VTL	32
3.4 Configuring the storage pool for iSCSI VTL	33
3.4.1 Adding volumes to a library	35
3.4.2 Adding volumes to a storage pool	39
3.5 Creating the policy domain for iSCSI VTL	41
3.6 Creating the client node for iSCSI VTL	41
4 Using the Backup & Archive GUI	42
5 Setting up the DR Series system cleaner	43
6 Monitoring deduplication, compression, and performance	44
A Configuring CIFS authentication	45
B Best practices/considerations	47
B.1 Deduplication	47
B.2 Compression	47
B.3 Encryption	47
B.4 Space reclamation	47

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Setting up the Dell DR Series System with IBM Tivoli Storage Manager

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.