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Digital Transformation In IndustryTop 10 Best Backup Nas Software of 2026
Compares backup nas software for home and small teams, covering key features and tradeoffs across options like Comet Backup and GoodSync.
How we ranked these tools
Vendors set the topic, but our editors set the inclusion criteria and the evaluation framework before research starts.
Agents extract product evidence with provenance, then collect written reviews and transcribe video reviews and podcasts.
Framework: Features 40% · Ease 30% · Value 30%
Gitnux may earn a commission through links on this page — this does not influence rankings. Editorial policy
Comet Backup is the best pick for SMB teams needing file-granular NAS backups with permission-safe restores because its backup catalog indexing lets you browse and choose path-specific restores without mounting raw backup sets, whereas BorgBackup suits Linux-focused teams that want deduplicated, encrypted NAS-targeted archives with built-in verification and easy mountable access.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
Comet Backup
Backup catalog indexing supports fast browse and path-based restore selection without mounting raw backup sets.
Best for: Fits when teams need file-granular NAS backups with permission-safe restores and policy automation.
MSP360 Managed Backup
Editor pickManaged console workflows that streamline delegated administration and recovery lookup across multiple NAS estates.
Best for: Fits when MSPs need consistent NAS file backup and governed restores across many customer sites.
GoodSync
Editor pickChange-based job execution and integrity verification in the same backup workflow for reliable recurring NAS share restores.
Best for: Fits when file-server teams need scheduled NAS share backups with frequent change tracking and practical verification.
Comparison Table
Comet Backup
SMBBackup platform with NAS source support and object-storage targets.
Backup catalog indexing supports fast browse and path-based restore selection without mounting raw backup sets.
Comet Backup targets NAS backup use cases with share-scoped backups for SMB and NFS exports, plus restore workflows that mount or browse backup contents by file path. It also includes backup catalog indexing so administrators can search recovery points without opening raw backup volumes. Configuration centers on defining source shares, selecting backup destinations, and applying retention so backup sets roll forward predictably across backup windows. For governance, Comet Backup provides role-based access for administration tasks and keeps an operational audit trail around backup job and restore actions.
A tradeoff appears in NAS-to-NAS replication depth, because Comet Backup is strongest for source-to-backup-target backup and less focused on filer-to-filer replication. Teams should plan for snapshot orchestration gaps when the NAS vendor requires storage-side snapshot coordination for fastest restores. Comet Backup works best when a single backup policy definition needs to protect multiple SMB and NFS share mount points with consistent retention and restore testing.
- +Share-scoped SMB and NFS backups with ACL preservation for permission-safe restores
- +Backup catalog indexing enables file-path browse across recovery points
- +RBAC controls restrict administration and restore operations by role
- +Automation hooks support scheduled job control and repeatable configurations
- –NAS-to-NAS replication workflows are not the primary strength versus backup-target writes
- –Deep storage-side snapshot coordination depends on NAS environment configuration
- –Large backup catalogs can increase browse latency during peak restore searches
- –Some advanced policy tuning needs careful configuration discipline to avoid long windows
IT operations teams
Protect SMB file shares with retention
Faster permission-correct recovery
Storage administrators
Back up NFS exports for clusters
Predictable restore selection
Show 2 more scenarios
Security teams
Harden recovery through immutability controls
More resilient restore points
Administrators can configure protected backup retention targets to reduce overwrite risk during incident recovery.
MSP backup coordinators
Standardize NAS job templates across tenants
Less operational drift
Automation-friendly job definitions let coordinators apply consistent backup schedules and governance per tenant.
Best for: Fits when teams need file-granular NAS backups with permission-safe restores and policy automation.
MSP360 Managed Backup
SMBBackup platform for MSPs with NAS share support and cloud-tiered storage.
Managed console workflows that streamline delegated administration and recovery lookup across multiple NAS estates.
For MSPs backing multiple NAS filers, MSP360 Managed Backup focuses on standardized protection plans and operational visibility for managed environments. Common protection workflows include scheduled NAS share backups and structured restore actions with a catalog-driven browsing experience. Centralized administration helps teams enforce consistent retention and reduce variance across customer estates.
A tradeoff is that deep NAS-specific controls, such as storage-native snapshot orchestration and highly granular per-volume tuning, are more limited than options offered by NAS vendor tooling or lower-level backup stacks. MSP360 Managed Backup fits best when an MSP needs repeatable NAS file-backup operations across many sites and wants admin oversight without building custom orchestration around each filer.
- +Centralized policy management for multi-customer NAS backups
- +Recovery catalog reduces time spent locating specific restore points
- +Delegated operations support for MSP admin workflows
- +Restore workflows are structured for common NAS file recovery
- –Limited depth for NAS vendor snapshot orchestration
- –Fine-grained change-tracking tuning is not exposed for all scenarios
- –Throughput optimization requires careful job and network planning
- –Some NAS platform nuances depend on how shares are configured
MSP operations teams
Manage NAS backups for many tenants
Fewer manual recovery steps
IT admins at remote offices
Protect NAS file shares on schedule
Lower backup window risk
Show 1 more scenario
Compliance-focused administrators
Govern retention and restore access
Faster verified restores
Operational visibility and catalog indexing support audit-friendly recovery workflows.
Best for: Fits when MSPs need consistent NAS file backup and governed restores across many customer sites.
GoodSync
SMBFile synchronization and backup tool with broad NAS protocol support including SMB, SFTP, and WebDAV.
Change-based job execution and integrity verification in the same backup workflow for reliable recurring NAS share restores.
GoodSync performs scheduled NAS file backups with cross-share synchronization and recovery-oriented copy management. It supports SMB and NFS source access, plus destination workflows that fit NAS-to-NAS scenarios and mixed environments with Windows file shares.
Its change-based job execution focuses on minimizing transfer during recurring runs and supports verification steps during and after backup copies. Administration centers on job definitions, credentialed access to endpoints, and centralized control of backup schedules and retention behaviors.
- +Cross-share backup scheduling for SMB and NFS sources
- +File-level change detection reduces recurring backup transfer volume
- +Built-in verification options for post-job consistency checks
- +Retention controls on destination copies to manage recovery sets
- –No native NDMP path for appliance-local backups
- –Multi-site governance requires careful job and credential structuring
- –Throughput depends heavily on agent host placement and network design
- –Large catalogs can add operational overhead during discovery and restores
Small and midsize IT teams
Schedule NAS folder increments
Regular incremental copies with logs
Infrastructure operations teams
Backup via scheduled SFTP to offsite
Repeatable offsite copies
Show 2 more scenarios
Small business administrators
Copy laptop folders to USB
Offline targeted recovery
Back up selected laptop directories incrementally to removable storage while keeping earlier versions.
Businesses handling portable archives
Create encrypted offline archives
Recoverable offline copies
Produce encrypted, versioned incremental copies of documents and media on transportable storage.
Best for: Fits when file-server teams need scheduled NAS share backups with frequent change tracking and practical verification.
UrBackup
SMBOpen-source client-server backup system designed for NAS-attached image and file backups.
UrBackup’s web-based backup catalog enables direct browsing and restore of backed files from the central server.
UrBackup targets NAS environments with file-level backup workflows and a centralized server for managing clients. Its distinct fit is broad NAS reach through client-driven backups of shares, plus a built-in mechanism for tracking and verifying backup contents through its catalog.
- +Centralized backup catalog supports browse-and-restore workflows from one server
- +Share-focused client backups cover common NAS use without custom agents on the filer
- +Retention settings per client simplify consistent recovery point management
- +Verification tooling helps administrators validate backups beyond successful job completion
- –Agent installation is required on systems that perform NAS share backup
- –Fine-grained policy controls are limited compared with enterprise backup suites
- –WAN-optimized transfer features are not as explicit as in replication-first products
- –Multi-site governance features like RBAC and audit logging are not extensive
Small businesses and home admins
Use NAS as a repository target
Centralized recovery points
Small IT teams
Centralize backups across endpoints
Centralized status visibility
Show 2 more scenarios
Teams extending primary-site backup
Deploy offsite backup copies
Separate repository for recovery
Send client backup data to a separate server or remote storage location for additional recovery coverage.
Backup capacity administrators
Apply retention rules on NAS storage
More predictable recovery windows
Control retention and monitor repository growth as backup points accumulate across clients.
Best for: Fits when a small to mid-size team needs NAS share backup with centralized catalog and practical restore workflows.
BorgBackup
enterpriseDeduplicating command-line backup tool supporting NAS targets over SSH.
Append-only repository archives with built-in verification and mountable access for granular restores.
BorgBackup manages backups as repositories that store deduplicated chunks and manifests for each backup run. Encryption is built into the backup stream and archive contents are not written in plaintext by default. A local or remote borg serve process exposes repository access over SSH, which simplifies automation and limits open network surfaces. The command-line driven workflow maps well to cron, systemd timers, and orchestration tools that can manage SSH keys and job schedules.
- +Client-side deduplication reduces storage usage across repeated backups
- +Integrated encryption secures archive contents during storage and transit
- +Repository integrity checks support restore confidence before data recovery
- +SSH-based repository access simplifies automation without exposing new ports
- –NAS share ACL preservation depends on host mount and filesystem permissions
- –Operational maturity requires scripting for retention, scheduling, and monitoring
Small infrastructure teams
Backup a mounted NFS export
Smaller backup footprint and faster retries
Security-focused operators
Encrypted backups to remote storage
Controlled access to backup archives
Show 1 more scenario
On-call engineers
Rapid file-level recovery
Reduced recovery time
Mount archive contents to recover specific paths without restoring entire backup sets.
Best for: Fits when a Linux host can mount NAS exports and teams want deduplicated, encrypted archives with automation.
Bacula
enterpriseEnterprise-grade open-source backup framework with NAS and NDMP support.
Separation of Director, Storage, and File daemons with a centralized catalog enables multi-client orchestration and indexed restores.
Bacula is a backup NAS software built around a long-running cataloged job system, which fits organizations that want explicit control over backup scheduling and retention. It supports file-level backup and restore through its director-driven workflows, and it can also integrate with storage backends and networked backup targets for NAS workloads.
- +Director, Storage, and File components separate orchestration from throughput
- +Backup catalog indexing supports structured restore planning
- +Job definitions enable deterministic scheduling and retention rules
- +Extensible configuration supports multiple storage and client topologies
- –NAS share backup requires careful client configuration and path coverage
- –Operational setup and tuning take more governance than modern appliances
- –GUI tooling is thinner than in enterprise backup suites
- –Large-scale restore workflows can feel rigid without automation wrappers
Backup administrators
Schedule full and incremental jobs
Defined job histories
NAS and storage administrators
Protect NAS shares with backups
Centrally tracked backup jobs
Show 2 more scenarios
IT operations teams
Manage backups for many servers
Consistent backup execution
Centralize scheduled backup jobs for distributed clients using a unified control structure.
Operations and compliance IT teams
Verify integrity and test restores
Validation of recoverability
Run verification tasks and practice restores against tracked backup sets and retention policies.
Best for: Fits when teams need configurable, catalog-driven restores for NAS file shares across defined clients.
Duplicati
SMBOpen-source encrypted backup client supporting NAS, WebDAV, and S3 destinations.
Duplicati’s backup catalog lets operators browse and restore individual files without reinstalling source shares.
Duplicati is a file-level backup tool that runs as a service and drives NAS backups through filesystem access rather than dedicated NAS firmware integrations. It performs encrypted, deduplicated backups into common storage backends while maintaining a browsable backup catalog for restores.
- +Web admin and job scheduler support repeatable backup runs
- +Built-in encryption and verification workflows reduce restore uncertainty
- +Deduplication reduces backup volume for frequent small changes
- +Browsable backup catalog simplifies file-level restore without extra tooling
- –NAS ACL and metadata fidelity can vary by mounted filesystem driver
- –Full recovery performance can lag for large catalogs on busy restores
- –Agentless mounts require careful permissions and stable network paths
- –NAS snapshot orchestration and block-level incremental are not the focus
Home users and small IT teams
Back up to or from network shares
Scheduled protection
Freelancers
Schedule encrypted document backups
Selectable recovery points
Show 2 more scenarios
SMB IT teams
Send encrypted backups offsite to cloud
Recovery after local loss
Transfer encrypted file backups away from the source computer to cloud or object-storage destinations.
Small business team administrators
Standardize shared folder protections
Consistent file protection
Set recurring backups for shared business folders and workstations with centralized job status management.
Best for: Fits when NAS data needs encrypted file-level backups to shared or object storage targets.
Rclone
API-firstCommand-line sync tool supporting NAS protocols and 70-plus cloud backends.
Rclone’s storage-agnostic backend layer maps one transfer command to many remote APIs.
Rclone is a command-line data mover that can serve as an NAS backup tool by copying and syncing files between local paths and many remote storage targets. It uses a backend-driven abstraction for storage access, which enables agentless NAS backup over mounted shares and direct filesystem paths.
- +Multi-backend transfers let NAS data land in many object stores
- +Checksum verification reduces silent corruption risk during copy operations
- +Include and exclude filters support targeted share and directory backups
- +Bandwidth and retry controls help fit jobs into a backup window
- –No built-in NAS snapshot orchestration or catalog indexing for restores
- –Secure change tracking like block-level incrementals depends on external mechanisms
- –Permission preservation can require extra mapping work for ACLs
- –Job governance and audit logging require wrappers or external tooling
System administrators
Script cloud backups from NAS paths
Repeatable remote backups
IT operations teams
Mirror NAS shares to cloud with filters
Synchronized off-site copy
Show 2 more scenarios
Security-conscious administrators
Encrypt before sending to remote targets
Encrypted files on remote backends
Run client-side encryption ahead of copy or synchronization so stored remote data remains encrypted.
Data engineering and developers
Stage files between NAS and SFTP
Consistent staging between steps
Move files between cloud storage, SFTP endpoints, and local paths as part of multi-step pipelines.
Best for: Fits when agentless file-based NAS backups must replicate data to heterogeneous storage targets.
Restic
enterpriseFast encrypted backup program supporting SFTP and REST NAS-backed repositories.
rest-server provides an API and status endpoints around Restic repositories and ongoing operations.
Restic creates encrypted, versioned snapshots in a repository, and restore uses the snapshot graph rather than vendor-specific catalogs.
- +Content-defined chunking enables effective deduplication across changing files
- +Encrypted snapshots are stored in a single repository with clear restore semantics
- +rest-server exposes an API surface for job tracking and operational automation
- +Built-in snapshot pruning supports retention control without separate index tooling
- –No native NAS-specific integration for SMB or NFS share ACL mapping
- –Cross-host scheduling and RBAC require external orchestration and tooling
- –Large-scale catalog indexing and searchable metadata are limited versus enterprise suites
- –Backup verification coverage is repository-focused rather than application-level validation
Server and infrastructure administrators
Store encrypted offsite backups
Recoverable copies outside
Operations teams and developers
Run scheduled snapshot jobs
Regular snapshots without manual runs
Show 2 more scenarios
Small and mid-sized IT teams
Protect NAS directories for recovery
Versioned shared data copies
Back up files and directory trees from network-attached storage workflows into a repository.
IT operations and disaster recovery teams
Test restores and repository health
Validated recovery procedures
Inspect repository health and perform restore checks to confirm backup data can be retrieved.
Best for: Fits when a team needs agent-style NAS file backups with encrypted snapshots and scriptable automation.
Kopia
SMBOpen-source encrypted deduplicating backup with NAS and S3 repository backends.
Repository-wide catalog indexing plus REST API support for scripted restore and mount workflows.
Kopia creates backups into a content-addressed repository that deduplicates identical content across time and reduces repeated transfer for unchanged data.
- +Content-addressed repository deduplicates across backups to reduce storage churn
- +Encryption at the repository layer protects backup content without external tooling
- +REST API enables automation of backup, restore, and repository operations
- +Catalog indexing speeds up point-in-time restores for large backup sets
- –NAS integration is strongest for file-level capture rather than filer-specific block workflows
- –Retention and integrity policies require deliberate configuration and operational discipline
- –Restore testing needs automation hooks because verification is not built into every workflow
- –High-throughput NAS backup can bottleneck on indexing and client-side processing
SMB administrators
Store encrypted snapshots on NAS
Storage-controlled encrypted backups
Automation-focused administrators
Automate repository operations
Repeatable backup routines
Show 2 more scenarios
Cloud and infrastructure teams
Back up to object storage with encryption
Encrypted data on object storage
Send deduplicated backup data to object-storage targets while keeping repository data encrypted.
SMB IT teams
Centralize backups from multiple machines
Unified snapshot history
Send backups from several endpoints into a shared repository with centralized snapshot history.
Best for: Fits when teams need encrypted, deduplicated NAS file backups with API-driven automation.
Conclusion
After evaluating 10 backup nas software, Comet Backup stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right Backup Nas Software
Backup NAS software typically targets recurring file-server protection with restore paths that respect access control and avoid manual scavenger work. This guide covers Comet Backup, MSP360 Managed Backup, BorgBackup, UrBackup, GoodSync, Bacula, Restic, Duplicati, Kopia, and Rclone.
The shortlist favors integration depth, especially how each tool handles NAS-to-storage workflows, catalog-based browsing, and automation hooks that reduce operational friction. It also compares how governance features show up during multi-share restores and delegated administration.
Backup NAS Software for permission-safe file restores, catalog browsing, and automated NAS protection workflows
Backup NAS software is used to capture NAS share content into backup targets and then restore the exact files and paths with usable selection and repeatable scheduling. Comet Backup centers backup catalog indexing so restores can be selected by path and browsed without mounting raw backup sets.
In practice, tools vary by how they handle NAS capture mechanics and restore usability. MSP360 Managed Backup emphasizes delegated administration across multiple NAS estates with a recovery catalog for faster restore point lookup, while Rclone focuses on storage-agnostic transfers and relies on external mechanisms for change tracking behaviors.
NAS backup capabilities that determine restore speed and access-control correctness
A backup NAS workflow only succeeds when restores can be found by path and applied with permissions that match the source share. These features determine whether recovery involves browsing a usable backup catalog or mounting raw backup sets.
Operational automation matters because NAS environments change share structures and credentials over time. The strongest backup NAS software adds catalog indexing, recovery lookup, and delegated controls so the team can run recurring jobs and find the right restore point without manual investigation.
Backup catalog indexing for path-based restore selection
Comet Backup provides backup catalog indexing so restore selection can use file paths and browsing without mounting raw backup sets. Bacula also provides catalog-driven restores, while UrBackup offers a web-based backup catalog to browse and restore backed files.
Permission-safe SMB and NFS restore behavior
Comet Backup supports share-scoped SMB and NFS backups with ACL preservation for permission-safe restores. BorgBackup can preserve access control only when host mount and filesystem permissions match the target needs, and Duplicati’s NAS ACL and metadata fidelity can vary by the mounted filesystem driver.
Delegated administration and recovery lookup across estates
MSP360 Managed Backup focuses on delegated administration for multi-customer NAS estates with centralized policy management and a recovery catalog for restore point lookup. Bacula supports catalog-driven multi-client orchestration via separated Director, Storage, and File components, which shifts more governance work onto the operator.
Data reduction and encrypted backup content
BorgBackup uses client-side deduplication and integrated encryption so identical content across repeated backups reduces storage usage. Kopia provides repository-wide catalog indexing with content-addressed repository deduplication and repository-layer encryption, while Restic uses content-defined chunking and encrypted snapshots stored in a single repository.
Change-based recurring jobs with integrity checks
GoodSync runs change-based job execution paired with integrity verification to reduce transfer volume during frequent NAS share backups. UrBackup and Bacula both support recurring backup workflows with centralized catalog concepts, but UrBackup’s fine-grained policy controls are limited versus enterprise suites.
Automation API surface for scripted restore and repository monitoring
Restic exposes a rest-server API and status endpoints so automation can monitor ongoing operations and drive scripted restore workflows. Kopia exposes a REST API that supports scripted restore and mount workflows, while Rclone focuses on storage-agnostic transfers and does not include NAS snapshot orchestration or restore catalog indexing.
Choose based on restore workflow fit, not just NAS capture mechanics
Backup NAS software should be selected for how recovery will be performed during incidents. The deciding factor is whether the tool provides indexed browsing and permission-safe restores for the exact NAS shares and workflows the environment uses.
Different tools optimize for different operational shapes. Comet Backup prioritizes catalog indexing for file-path browse and selection, MSP360 Managed Backup prioritizes delegated governance for multiple estates, and Rclone prioritizes storage-agnostic transfer where NAS snapshots and catalogs are handled elsewhere.
Map restore selection to indexed browsing versus raw set mounting
If recovery requires fast file-path selection without mounting raw backup sets, Comet Backup’s backup catalog indexing supports path-based browse across recovery points. If a centralized web experience is required for browse-and-restore, UrBackup’s web-based backup catalog can reduce operator steps.
Validate ACL and metadata fidelity for SMB and NFS restores
If permission correctness is the gating requirement, Comet Backup’s share-scoped SMB and NFS backups with ACL preservation are aligned to permission-safe restores. If ACL mapping depends on host mount behavior, BorgBackup’s restore permissions rely on the host mount and filesystem permissions, and Duplicati’s ACL and metadata fidelity can vary by mounted filesystem driver.
Pick a governance model that matches how NAS estates are managed
If delegated administration across multiple customer sites must be standardized, MSP360 Managed Backup concentrates central policy management and uses a recovery catalog for restore point lookup. If governance can tolerate split components and more configuration work, Bacula’s Director, Storage, and File separation supports catalog-driven restores across defined clients.
Decide whether change tracking and verification live inside the backup job
If the workflow must combine change-based scheduling with integrity verification for recurring NAS share restores, GoodSync fits because change detection reduces recurring transfer volume while verification helps prevent silent corruption. If operational scripts will manage the backup lifecycle around a repository, Restic and Kopia provide automation-friendly APIs and encrypted snapshot semantics.
Align deduplication and encryption strategy to where operators need control
If storage savings must be driven at the client level, BorgBackup’s client-side deduplication and integrated encryption reduce storage usage while keeping archive contents secured. If repository-level deduplication and encrypted storage are the priority, Kopia and Restic both store encrypted snapshots or repository-layer encrypted content with scriptable restore semantics.
Use transfer-first tools only when snapshot orchestration and restore cataloging are handled elsewhere
If heterogeneous target placement and storage-agnostic copies are the main need, Rclone maps transfer commands to remote APIs but lacks built-in NAS snapshot orchestration and catalog indexing for restores. If the environment requires indexed restore workflows and NAS share restore selection, Comet Backup and Bacula provide catalog indexing as a core restore mechanism.
Which teams get the most from these Backup NAS Software capabilities
Teams should choose backup NAS software based on how they operate restorations and how many NAS estates they manage. The right choice depends on whether restore selection is catalog-based, whether ACL fidelity is required, and whether governance is delegated across sites.
The strongest fit usually appears when tool mechanics match the environment’s restore process. Comet Backup aligns well with path-based browsing and permission-safe restores, while MSP360 Managed Backup aligns with delegated administration across multiple customer NAS sites.
IT teams running shared file services on SMB and NFS with strict permission requirements
Comet Backup’s share-scoped SMB and NFS backups with ACL preservation support permission-safe restores, which reduces time spent reconciling access control after recovery.
MSPs managing multiple customers with repeated NAS backup policies and delegated recovery tasks
MSP360 Managed Backup provides centralized policy management plus a recovery catalog so delegated administrators can locate restore points and run governed restores across many customer NAS estates.
Linux-focused teams that can mount NAS exports and want encrypted, deduplicated repository archives
BorgBackup supports client-side deduplication and integrated encryption, and it can enable mountable access for granular restores when NAS exports are mounted with the needed filesystem permissions.
File-server teams that prioritize frequent change capture with job-level integrity verification
GoodSync combines change-based job execution with integrity verification, which reduces recurring backup transfer volume while maintaining a verification step in the workflow.
Automation-heavy teams that want API-driven monitoring and scripted restore workflows around encrypted repositories
Restic’s rest-server API and status endpoints and Kopia’s REST API enable automation around encrypted snapshots and repository indexing.
Common Backup NAS Software pitfalls that cause slow or broken restores
Restore problems usually come from mismatched workflow assumptions. The most frequent failures show up when catalog browsing is missing, when ACL fidelity depends on external mount behavior, or when teams underestimate the operational discipline needed for retention and monitoring.
Selecting a tool for transfer flexibility while assuming restore browsing is built in
Rclone supports storage-agnostic transfers to many remote APIs but does not provide built-in NAS snapshot orchestration or catalog indexing for restores. Choose a tool with catalog-based browsing like Comet Backup or UrBackup when restore selection by path is required.
Assuming ACL preservation works the same way across all NAS backup approaches
BorgBackup’s ACL preservation depends on host mount and filesystem permissions, and Duplicati’s NAS ACL and metadata fidelity can vary by mounted filesystem driver. Use Comet Backup when permission-safe SMB and NFS restore behavior is the requirement.
Running change capture without verification or treating verification as optional
GoodSync pairs change-based job execution with integrity verification in the backup workflow, which supports reliable recurring restores. Avoid relying on workflows that separate change tracking from integrity checks unless the environment has an equivalent verification step.
Underestimating governance work for catalog orchestration and NAS path coverage
Bacula requires careful client configuration and path coverage for NAS share backups, which increases operational governance work. If delegated administration and standardized recovery lookup are needed, MSP360 Managed Backup centralizes policy management and uses a recovery catalog.
How We Selected and Ranked These Tools
We evaluated Comet Backup, MSP360 Managed Backup, BorgBackup, UrBackup, GoodSync, Bacula, Restic, Duplicati, Kopia, and Rclone using features at 40%, and we weighted ease and value at 30% each. Features emphasized how each product provides restore usability through catalog indexing or browsing, how it handles permission-safe restore outcomes on SMB and NFS, and how it supports automation and operator workflows.
Ease and value emphasized operator effort for job execution, restore lookup, and day-to-day governance across NAS sources. Comet Backup earned the top rank by centering backup catalog indexing for fast path-based restore selection without mounting raw backup sets, and by combining SMB and NFS share-scoped backups with ACL preservation for permission-safe restores.
Frequently Asked Questions About Backup Nas Software
How does Comet Backup preserve permissions compared with GoodSync during NAS share restores?
Which tool uses a REST API surface for automation around backup repositories and operations?
When does an immutable-target workflow matter more, and which option supports it directly?
What breaks if a backup plan needs fast path-based browse and restore selection without mounting raw backup sets?
How do Bacula and UrBackup differ in how restores locate data from the backup catalog?
Which approach is better for NAS-to-storage encrypted backups into object storage targets, and why?
When does agentless NAS backup work better with Rclone than with BorgBackup or Restic?
Where does MSP360 Managed Backup fall short for environments that require deep customization of restore discovery workflows?
What tradeoff appears when using Duplicati instead of a NAS-targeted orchestration engine like Comet Backup?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
Funding and competing interests
This study was co-funded by several of the vendors assessed in it. No single vendor funded it. Funders could propose the market studied.
They had no role in selecting vendors, setting or weighting criteria, analysing data or drawing conclusions, and they received the same factual-accuracy check as every other vendor assessed.
Market definition, inclusion rules and criteria weights were fixed by an editor before research began and did not change afterwards. Editorial process →
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