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NETAPP TECHNICAL REPORT NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide Carlos Alvarez March 2009 | TR-3505-0309 ABSTRAC

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 10 Command Summary sis check <vol> (This command is available only

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 11 1. Create a flexible volume (keeping in mind the maximum allowable v

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 12 7. Run deduplication on the flexible volume. These causes the change

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 13 On flexible volume dvol_2, deduplication is scheduled to run every

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 14 The more concurrent deduplication processes you’re running, the mor

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 15 (There are no configurable parameters that can tune the deduplication

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 16 The PAM card has provided significant performance improvements in VMw

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 17 The storage savings may continue to stay low. When the last Snaps

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 18 OVERVIEW OF SSET The SSET is available to NetApp system engineers, in

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 19 Table 5) Maximum deduplicated volume sizes. Data ONTAP 7.2.X (Startin

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 2 TABLE OF CONTENTS 1 INTRODUCTION AND OVERVIEW OF DEDUPLICATION ...

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 20 NUMBER OF DEDUPLICATION PROCESSES A maximum of eight deduplication pr

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 21 4.2 DEDUPLICATION AND SNAPRESTORE The SnapRestore® functionality is

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 22 The cloned volume inherits the deduplication configuration of the p

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 23 The checksum type you can use with deduplication on a V-Series system

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 24 Deduplication can be enabled, run, and managed only from the primar

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 25 As a best practice, NetApp recommends performing qtree SnapMirror upd

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 26 Qtree SnapMirror Replication with Deduplication Enabled on the Destin

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 27 Keep the following points in mind: Deduplication is licensed on bot

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 28 4.11 DEDUPLICATION AND MULTISTORE (VFILER) Starting with Data ONTAP

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 29 impact will be experienced on low-end systems (for example, 30xx) mor

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 3 5 DEDUPLICATION AND VMWARE ...

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 30 Table 7) LUN configuration examples (as described below). A (Defaul

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 31 Note: If Snapshot copies are turned off for the volume (or no copy ex

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 32 Configuration D: LUN Configuration for Maximum Volume Space Savings I

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 33 5 DEDUPLICATION AND VMWARE VMware environments deduplicate extremely

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 34 Figure 7) VMFS data store on Fibre Channel or iSCSI—si

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 35 5.3 DEDUPLICATION ARCHIVE OF VMWARE Deduplication has proven very us

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 36 7 DEDUPLICATION AND EXCHANGE If Exchange and NetApp deduplication fo

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 37 11 TROUBLESHOOTING This section covers issues that occasionally come

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 38 and are locking a lot of data. This tends to happen especially when d

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 39 11.6 ADDITIONAL REPORTING WITH SIS STAT -1 For additional status inf

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 4 1 INTRODUCTION AND OVERVIEW OF DEDUPLICATION This section provides an

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 40 13 ADDITIONAL ASSISTANCE For additional support contact one of the f

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 5 In summary, this is how deduplication works. Newly saved data on the F

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 6 Releasing a duplicate data block entails updating the indirect inode p

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 7 1.4 GENERAL DEDUPLICATION FEATURES Deduplication is enabled on a per

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 8 Here are some additional considerations with regard to max volume size

NetApp Deduplication for FAS and V-Series Deployment and Implementation Guide 9 2.3 COMMAND SUMMARY Table 2 describes all deduplication (related) co