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Dell EMC Data Domain is a suite of hardware appliances used for data protection, backup, storage and deduplication. Data Domain’s appliance offerings are cloud-enabled and vary by organization size, capable of supporting small business and enterprises.Brief overview of Data DomainData Domain is used across the whole organization as part of our Data Protection solution. It is used in conjunction with Avamar as back-end storage.,The deduplication is fantastic. We are currently seeing total compression factors in the mid to upper 50s. The platform is very reliable and stable. It backs up a wide variety of enterprise apps (e.g. legacy applications, UNIX, iSeries, open systems etc) or your primary storage.,It can be expensive to implement, especially when used in conjunction with other applications/hardware such as Avamar. The TCO can be high, especially when it needs its storage expanded. Recovery speeds can be slow (compared to other solutions) for when recovery is time sensitive.,8,Positive: The high compression (58.0x) and data reduction (98.3%) have allowed us to optimize the storage for efficient usage. Negative: even after adding capacity, we are running out of space. Adding capacity adds to the overall TCO (e.g. lease cost).,Cohesity and Rubrik,AvamarDell EMC Data Domain is a rock solid data backup solutionIt is used as the data storage component for our Avamar backup solution.,Compresses backups well. Very reliable.,Upgrades could be simpler. The sales process could be simpler. We bought 2 nodes for DR, but one was with VxBlock which complicated the process. Better reporting.,9,Not a cheap solution, but you get what you pay for and it has been solid. Enabled us to fulfill the backup needs of the college and compliance requirements.,Veeam Backup & Replication,Avamar, Windows ServerDataDomain is the best backup target for our organizationLike most DD users, we primarily use Data Domain restorer appliances as disk targets for backups, through CIFS and VTL protocols. Two units 100 miles apart provide local backup targets and cross-replicate for geodiverse data storage. All backups from IBM iServers (VTL), Tivoli Storage Manager, vRanger, AvePoint DocAve and SQL native backups (CIFS) land on a local DD and are replicated offsite.,High data ingestion rate. For inline dedupe, these devices can ingest a saturated Gigabit Ethernet line, plus a FibreChannel from an AS/400. High reliability. In ten years of having at least two units and ingesting 1.5 to 2TB/night of backups, we've replaced maybe three disk drives. Scalability. Dedupe ratios are very good (11:1 for us for all data), and the DD2500 models allow addition of disk trays to expand capacity. Ease of use. Management interface is good, the free Data Domain Management Center Appliance is even better.,Dedupe ratios on a per-folder or per-CIFS share basis would be nice, we can only see the ratio per partition (MTree). So it's not possible to see what ratio we get from Tivoli data vs vRanger data, for instance, because they're in the same MTree. The VTL option seems inordinately expensive given it's only software. We held off a long time because of the cost, and only went down that road because the IBM iSeries is inherently unable to do a DR recovery from disk only.,10,We were able to avoid upgrading/replacing a very expensive tape library. ROI was break-even the first year. We cut almost one man-hour per day in tape-handling duties. Restore of large data sets (an entire GroupWise post office, for instance) was cut from 15 hours to 15 minutes.,Exagrid EX Series,Tivoli Storage Manager,6,1,Backup target for file-based backups. Tivoli Storage Manager (using storage pool type FILE) and AvePoint Docave SharePoint backups. Backup target for image-level backups. Dell vRanger Backup target for iSeries (VTL).,We have used them to store long-term static data such as litigation holds.,We have toyed with the idea of using them as Tier-4 storage. They are not very fast when accessed by multiple users in small IOPs, so this would have to be done judiciously.,10Data Domain - Tape is dead!Data Domain is currently being used to store our database backups. We utilize the NFS and SMB functionality to provide storage locations for our database administrators to perform their daily backups including logs. We also use MTree replication to replicate to a secondary site for offsite disaster recovery.,MTree replication to another Data Domain system. The Data Domain performs the replication every 15 minutes, so our offsite data is never more than 15 minutes out of sync with production. DDBoost provides a faster way to back up our data. Data encryption at rest. This allows us to protect our database data.,Depending on the model of Data Domain, there is a limit to the number of NFS/SMB threads that can run concurrently. When this limit is reached, the system is slow to respond to client requests. Data Domain support is very slow to turn out new features and bug fixes in their code. OS upgrades are very slow and disruptive.,6,Data Domain says 20+ hours per week when compared to using a tape library. Once the unit is configured it basically takes care of itself. With MTree replication we no longer need to send tapes to an offsite storage facility. Having a second data domain at our DR site allows us to perform recoveries from any of our replicated backups. We do not have to order and wait for tapes to arrive.,Cohesity and Rubrik,EMC Isilon Scale-Out NAS, HP 3PAR StoreServ Flash Storage, CompellentData Domain for a seamless DRWe moved to backup with Data Domain after using several other products, for us the decision was a no-brainer we are an EMC shop and tied with networker. Data Domain was a seamless integration into our storage and backup strategy. It helped us address moving to a no tape backup and cross-site replication strategy.,Cross-site replication. Easily maintained, organized and replicated backup schedules and policies. Deduplication is amazing, we are seeing in some cases with OS and file 22:1 dedupe.,VMware integration from a restoration perspective. Initial ingestion for data can get bloated at first it would be nice to see a better estimation of what you most likely will see after dedupe and compression completes. Better data aging and deletion capabilities, we see periodic bloating with lower retention policies.,10,We were able to immediately discontinue our remote tape storage and TBU maintenance. Reduced backup footprint in the data center. It is costly to expand so buy it with a purpose.,,Actifio Enterprise, CommVault, Symantec NetBackupData Domain - Stable, Reliable.... just works!We utilize Data Domain as our Tier 2 disk subsystem for inline data de-duplicated data protection. This includes traditional client-server backups as well as a straight database dump to Data Domain configurations via NFS. We have many years of reliable use in both of these configurations. Overall we have been able to significantly reduce and in some cases completely eliminate use of tape in our backup schemes. Data Domain has been a set it up and forget about it appliance from a reliability perspective.,Data Domain is very good at data reduction of database backups (IBM DB2, SAP HANA, Oracle). Data Domain is an excellent choice for WAN optimized long distance DR data replication. Data Domain is extremely reliable and stable.,Restore speed could be improved. Restores are much slower than backups. It would be nice if there were multi-controller larger capacity configurations. Increased large environment remote management functionality would be a welcome addition.,9,The biggest impact we have had from Data Domain is that we went from an overall backups success rate of ~65% when using a competitor to a ~95% success rate. We have been able to greatly reduce recovery time and recovery point objectives through the use of Data Domain vs tape. As an organization we are able to reliably recover the business data when it is needed.,,vSphere, NetApp FAS series, HP ProLiant BladeSystem, HP 3PAR StoreServ Flash Storage, Cisco Nexus, F5 BIG-IP
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Dell EMC Data Domain
26 Ratings
Score 8.2 out of 101
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Dell EMC Data Domain Reviews

Dell EMC Data Domain
26 Ratings
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Score 8.2 out of 101

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Sam Majam profile photo
Score 8 out of 10
Vetted Review
Verified User
Review Source
Data Domain is used across the whole organization as part of our Data Protection solution. It is used in conjunction with Avamar as back-end storage.
  • The deduplication is fantastic. We are currently seeing total compression factors in the mid to upper 50s.
  • The platform is very reliable and stable.
  • It backs up a wide variety of enterprise apps (e.g. legacy applications, UNIX, iSeries, open systems etc) or your primary storage.
  • It can be expensive to implement, especially when used in conjunction with other applications/hardware such as Avamar.
  • The TCO can be high, especially when it needs its storage expanded.
  • Recovery speeds can be slow (compared to other solutions) for when recovery is time sensitive.
Data Domain is best suited for environments that have a wide range of applications in use from legacy to modern. For example, environments that have a mainframe, ERP, and open systems with a large data footprint.
Due to the price point, it may not be well suited for environments that are mostly virtualized with a small data footprint.
Read Sam Majam's full review
Mark Wiseley profile photo
Score 9 out of 10
Vetted Review
Verified User
Review Source
It is used as the data storage component for our Avamar backup solution.
  • Compresses backups well.
  • Very reliable.
  • Upgrades could be simpler.
  • The sales process could be simpler. We bought 2 nodes for DR, but one was with VxBlock which complicated the process.
  • Better reporting.
Works great for DR and storage of backup data. Very reliable.
Read Mark Wiseley's full review
No photo available
Score 10 out of 10
Vetted Review
Verified User
Review Source
Like most DD users, we primarily use Data Domain restorer appliances as disk targets for backups, through CIFS and VTL protocols. Two units 100 miles apart provide local backup targets and cross-replicate for geodiverse data storage. All backups from IBM iServers (VTL), Tivoli Storage Manager, vRanger, AvePoint DocAve and SQL native backups (CIFS) land on a local DD and are replicated offsite.
  • High data ingestion rate. For inline dedupe, these devices can ingest a saturated Gigabit Ethernet line, plus a FibreChannel from an AS/400.
  • High reliability. In ten years of having at least two units and ingesting 1.5 to 2TB/night of backups, we've replaced maybe three disk drives.
  • Scalability. Dedupe ratios are very good (11:1 for us for all data), and the DD2500 models allow addition of disk trays to expand capacity.
  • Ease of use. Management interface is good, the free Data Domain Management Center Appliance is even better.
  • Dedupe ratios on a per-folder or per-CIFS share basis would be nice, we can only see the ratio per partition (MTree). So it's not possible to see what ratio we get from Tivoli data vs vRanger data, for instance, because they're in the same MTree.
  • The VTL option seems inordinately expensive given it's only software. We held off a long time because of the cost, and only went down that road because the IBM iSeries is inherently unable to do a DR recovery from disk only.
Best suited for backup target, that's what it was designed for. The ingestion rate is very high, data exfil not so much. Doesn't work very well as a NAS (though functionally, that's what it is). It's very good at block-level deduplication of disparate types of data.
Read this authenticated review
No photo available
Score 6 out of 10
Vetted Review
Verified User
Review Source
Data Domain is currently being used to store our database backups. We utilize the NFS and SMB functionality to provide storage locations for our database administrators to perform their daily backups including logs. We also use MTree replication to replicate to a secondary site for offsite disaster recovery.
  • MTree replication to another Data Domain system. The Data Domain performs the replication every 15 minutes, so our offsite data is never more than 15 minutes out of sync with production.
  • DDBoost provides a faster way to back up our data.
  • Data encryption at rest. This allows us to protect our database data.
  • Depending on the model of Data Domain, there is a limit to the number of NFS/SMB threads that can run concurrently. When this limit is reached, the system is slow to respond to client requests.
  • Data Domain support is very slow to turn out new features and bug fixes in their code.
  • OS upgrades are very slow and disruptive.
Data Domain is well suited in an environment where there is already a backup software in use that can take advantage of things like DDBoost. If a company is looking for an all in one solution, then Data Domain is not suited for this.
Read this authenticated review
No photo available
Score 10 out of 10
Vetted Review
Verified User
Review Source
We moved to backup with Data Domain after using several other products, for us the decision was a no-brainer we are an EMC shop and tied with networker. Data Domain was a seamless integration into our storage and backup strategy. It helped us address moving to a no tape backup and cross-site replication strategy.
  • Cross-site replication.
  • Easily maintained, organized and replicated backup schedules and policies.
  • Deduplication is amazing, we are seeing in some cases with OS and file 22:1 dedupe.
  • VMware integration from a restoration perspective.
  • Initial ingestion for data can get bloated at first it would be nice to see a better estimation of what you most likely will see after dedupe and compression completes.
  • Better data aging and deletion capabilities, we see periodic bloating with lower retention policies.
Data Domain allowed us to move to a tapeless backup environment and with the product located in multiple sites we were able to achieve a cross-site replication policy that protects our data and intellectual property in a geographically diverse manner while maintaining corporate retention policies. I would say unless you are a shop that has retention policies that are low enough to keep copies in your facilities this product may not be capable for your needs.
Read this authenticated review
No photo available
Score 9 out of 10
Vetted Review
Verified User
Review Source
We utilize Data Domain as our Tier 2 disk subsystem for inline data de-duplicated data protection. This includes traditional client-server backups as well as a straight database dump to Data Domain configurations via NFS. We have many years of reliable use in both of these configurations. Overall we have been able to significantly reduce and in some cases completely eliminate use of tape in our backup schemes. Data Domain has been a set it up and forget about it appliance from a reliability perspective.
  • Data Domain is very good at data reduction of database backups (IBM DB2, SAP HANA, Oracle).
  • Data Domain is an excellent choice for WAN optimized long distance DR data replication.
  • Data Domain is extremely reliable and stable.
  • Restore speed could be improved. Restores are much slower than backups.
  • It would be nice if there were multi-controller larger capacity configurations.
  • Increased large environment remote management functionality would be a welcome addition.
We have found that Data Domain excels at homogeneous data type backups such as database dumps. We are able to get very good data reduction/de-duplication rates when we are careful to place similar data types/data on the same appliance. Conversely we have found that Data Domain is only average from a data reduction perspective when mixed data types are placed on the same appliance. In order to maximize your data reduction you must pay attention to appropriately place data.
Read this authenticated review

Feature Scorecard Summary

Universal recovery (5)
9.0
Live recovery (4)
7.1
Recovery verification (5)
7.6
Business application protection (6)
8.4
Multiple backup destinations (6)
9.0
Incremental backup identification (5)
7.2
Backup to the cloud (2)
7.1
Deduplication and file compression (6)
9.7
Snapshots (5)
8.4
Flexible deployment (4)
6.6
Management dashboard (4)
7.8
Platform support (4)
8.4
Retention options (3)
8.3
Encryption (3)
9.3

About Dell EMC Data Domain

Dell EMC Data Domain is a suite of hardware appliances used for data protection, backup, storage and deduplication. Data Domain’s appliance offerings are cloud-enabled and vary by organization size, capable of supporting small business and enterprises.

Dell EMC Data Domain appliances are separated into two categories: entry-level to midrange, and enterprise.

Entry-Level to Midrange Backup Appliances

Dell EMC Data Domain DD3300

  • Designed for SMBs
  • 2U protection storage appliance with comprehensive coverage
  • Cloud-compatible for long-term retention and disaster recovery
  • Starts at 4TB, can manage up to 4.8PB of logical capacity with Cloud Tier offering

Dell EMC Data Domain DD6300

  • Up to 24 TB/hour throughput
  • Up to 8.9PB of logical capacity
  • Start with single-enclosure footprint

Dell EMC Data Domain DD6800

  • Up to 32 TB/hour throughput
  • Up to 43.2PB of logical capacity support with Cloud Tier
  • High-availability configurations

Enterprise Backup Appliances

Dell EMC Data Domain DD9300

  • Up to 41 TB/hour throughput
  • Up to 108PB logical capacity support with Cloud Tier
  • High availability option

Dell EMC Data Domain DD9800

  • Largest and fastest Data Domain appliance model
  • Up to 68 TB/hr throughput
  • Up to 150PB logical capacity support with Cloud Tier

Dell EMC Data Domain Technical Details

Operating Systems: Unspecified
Mobile Application:No