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This article provides links to vendor-provided best practices documents and vendor-specific configuration advice found in the Veeam Backup & Replication User Guide. It also offers general recommendations for configuring Veeam Backup & Replication jobs and repositories when utilizing deduplication storage.
By default, the Veeam Backup & Replication settings are primarily optimized for non-deduplication storage. These default settings may have performance impacts or limit the effectiveness of deduplication storage. Specifically, the default configuration may not allow deduplication storage to fully leverage its native compression and deduplication capabilities, resulting in suboptimal space-saving benefits.
Integrated Deduplication Storage Appliances
The following storage appliances directly integrate with Veeam Backup & Replication. When added as a Backup Repository, the software will configure the default repository and job settings to align with the recommendations for that storage. To learn more, review the product pages below:
Use a backup target storage system (general-purpose storage system) for short-term primary backups and instruct Veeam to copy the backups to a deduplication storage system for long-term retention.
A variant of this approach is to use a standard server with a battery-backed RAID controller and disks to store the primary backups (cache approach) and use the backup copy to deduplication storage systems for long-term retention.
In addition to the above scenarios, you can create an offsite copy of your data using the following options.
1. Place deduplication storage at the second site. Use the Veeam backup copy job to create the secondary offsite backup from the primary backup.
2. Place deduplication storage on both sides:
3. Place deduplication storage on the primary side and use object storage or tape on the second site. Use Veeam backup to tape jobs or Veeam scale-out backup repository cloud tier (connection to object storage) to store data offsite.
The scenario above reflects general best practices. Please get in touch with your deduplication storage vendor for further guidance and check the vendor links provided above for additional usable scenarios with the specific storage.
Below is general Veeam Backup & Replication configuration advice to be used when backing up to deduplicated storage.
All vendor-documented best practices and vendor-specific advice supersedes the advice below.
The generic advice below may differ from your storage vendor's best practices. It is critical that you follow the best practices provided by the storage vendor when possible.
Below are the general recommendations for the Advanced Settings (Storage > Advanced):
Backup Tab
In general, deduplication devices have the lowest performance during read operations. As such, to maximize performance, the backup jobs should be write-only. Configure the backup job to use (Forward) Incremental with weekly Active full backups to achieve this.
Note: Some Dedupe Appliances that integrate with Veeam Backup & Replication can perform Synthetic Full operations.
Maintenance Tab
Storage Tab
All vendor-documented best practices and vendor-specific advice supersedes the advice below.
The generic advice below may differ from your storage vendor's best practices. It is critical that you follow the best practices provided by the storage vendor when possible.
When targeting deduplicated storage, the backup copy job should be configured as follows to force the backup copy job to perform primarily write-only operations:
Below are the general recommendations for the Advanced Settings (Target > Advanced):
Maintenance Tab
Storage Tab
All vendor-documented best practices and vendor-specific advice supersedes the advice below.
The generic advice below may differ from your storage vendor's best practices. It is critical that you follow the best practices provided by the storage vendor when possible.
The settings below are general advice for dedupe storage.
Below are the general recommendations for the Storage Compatibility Settings (Repository > Advanced...):
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