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QNAP High Availability Solutions |
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From storage to networking ─ ensure uninterrupted operations, zero data loss, and no customer drop-off. With QNAP, it's all possible with easy deployment and cost-effective options. |
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| 60% |
| of businesses have experienced at least one service interruption in the past 3 years*. |
| If that concerns you, it’s time to strengthen your business continuity. |
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Versatile HA solutions for businesses of all sizes |
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| Active-Active HA |
| Dual-controller NAS for always-on performance. |
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| Active-Passive HA |
| Dual-NAS cluster with automatic failover. |
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| Network HA |
MC-LAG
switch redundancy. |
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Key Benefits: |
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 Lower TCO: No need for costly proprietary hardware; QNAP HA is budget-friendly. |
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Flexible Deployment: Supports dual NAS or dual-controller setups to match your infrastructure. |
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Automatic Failover: Instant failover minimizes service interruptions. |
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End-to-End Availability: High availability from NAS to network switch, for true 24/7 uptime. |
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How to choose?
Get a clear comparison of QNAP HA architecture |
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| Architecture |
Active-Passive HA |
Active-Active HA |
Scale-out Storage |
| Total Cost of Ownership |
$ ~ $$ |
$$$ |
$$$$$ |
| Use Case |
Designed for use cases that allow minimal service interruption and seek a cost-effective HA solution. |
For critical workloads that demand continuous availability and seamless failover. |
For environments requiring zero downtime with maximum availability and scalability. |
| Typical Applications |
Departmental file servers where a recovery time of ~1 minute is acceptable. |
High-availability file servers or virtualization storage that tolerate up to ~30 seconds of failover. |
Ideal for financial services, online banking, and stock exchanges where service disruption is unacceptable. |
| Number of Nodes |
2 |
1 |
3 ~ 96 |
| Supported Protocols |
NFS, SMB, iSCSI |
NFS, SMB, iSCSI, FC |
NFS, SMB, S3 |
| Estimated Recovery Time |
≤ 60 secs |
≤ 30 secs |
0 |
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Coming soon |
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Take the next step |
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Unleash your uptime with QNAP’s HA innovations.
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Need expert advice or personalized recommendations?
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*Uptime's Annual Outages Analysis 2023, https://datacenter.uptimeinstitute.com/rs/711-RIA-145/images/AnnualOutageAnalysis2023.03092023.pdf |
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Questions?
For any marketing and public relation queries
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| Copyright © 2025 QNAP Systems, Inc. All rights reserved. |
