disaster recovery Archives - SIOS SANless clusters

Common Customer Misconceptions

February 11, 2026 by Jason Aw Leave a Comment

Common Customer Misconceptions

High availability (HA) and disaster recovery (DR) are often misunderstood.

Listen to the full conversation in this podcast as Greg Tucker unravels common customer misconceptions about HA/DR—from overestimating what cloud providers guarantee to misjudging the complexity of solutions like SQL Server Always On Availability Groups. Greg shares real examples of avoidable mistakes, explains how SIOS helps customers rethink their HA/DR assumptions, and offers practical advice for IT leaders looking to make informed, resilient infrastructure decisions.

Reproduced with permission from SIOS

Ensuring IT Resilience and Service Continuity in State and Local Government

January 20, 2026 by Jason Aw Leave a Comment

White Paper: Ensuring IT Resilience and Service Continuity in State and Local Government

Local government operations rely on always-available IT systems — from court and tax databases to 911 dispatch and school platforms. When these systems go down, the impact is immediate and far-reaching, affecting public safety, legal processes, payroll, and community trust. Many agencies struggle with aging infrastructure, tight budgets, and small IT teams managing complex hybrid environments.

SIOS helps solve these challenges with high availability (HA) and disaster recovery (DR) solutions that prevent downtime, protect critical data, and keep essential public services running, without requiring major infrastructure changes or deep HA expertise.

Reproduce with permission from SIOS

SAP Disaster Recovery: Techniques and Best Practices

January 5, 2026 by Jason Aw Leave a Comment

SAP Disaster Recovery: Techniques and Best Practices

In this Enterprise Times article, Harry Aujla, partner alliance director at SIOS, examines why disaster recovery (DR) deserves as much strategic attention as high availability (HA) in protecting SAP environments and ensuring business continuity. He clarifies the differences between HA and DR, emphasizing that while HA aims to keep systems running during localized failures, DR focuses on restoring operations after major incidents such as cyberattacks or natural disasters.

The article outlines the business, financial, and regulatory risks of underinvesting in DR, then guides readers through two core recovery models, sitewide recovery and application-level recovery, highlighting the benefits, trade-offs, and cost considerations of each. Aujla concludes that there is no one-size-fits-all approach to SAP disaster recovery, urging organizations to align their strategy with business priorities, service-level requirements, and tolerance for downtime to build a resilient and practical recovery plan.

Reproduced with permission from SIOS

Designing for High Availability and Disaster Recovery

December 29, 2025 by Jason Aw Leave a Comment

Designing for High Availability and Disaster Recovery

Design-driven creation, tools, and Conflicting Design patterns in IT Infrastructure

When design drives creation, results are communicable. Design-first mentalities create solutions that individuals can be trained in effectively. Using the design principles as a vehicle to communicate purpose leads to solutions that can be readily maintained and improved. Naturally, when solutions are built upon tools, the ways the tool is designed to be used must be considered in conjunction with the design of the solution it supports.

The tools chosen impose their design assumptions upon the projects in which they are used. As the previous related blog outlines, a design that is cohesive in concept and purpose is the first step in creating a solution that is understandable. Of course, tools employed by a project can incorporate patterns that are anathemic to the project’s design.

Conflict between the initial design and the tools employed creates complexity and reduces the efficacy of the solution. As such, tools must be selected in a way that the use of the tool is cohesive with the design of the project. When cohesion between the tool and the design is achieved, complexity is reduced. In the context of High Availability and Disaster Recovery, the effects of cohesion between design and tools used are readily apparent.

Designing for High Availability and Disaster Recovery assumed to be complex

Designing for High Availability and Disaster Recovery often carries the assumption of complexity. As IT infrastructure design patterns become increasingly present to meet the high standards intrinsic to High Availability and Disaster Recovery, individual infrastructure components attempt to implement patterns within the scope of that individual component.

As components each work to address the concerns of High Availability and Disaster recovery within the context of their role, environments inherit bloat due to components addressing the concerns of High Availability and Disaster Recovery with divergent design principles.

Infrastructure regularly needs to employ multiple design patterns

Tools grow and can develop competing design principles, yet environments require design that is cohesive. Complexity bleeds into infrastructure as previously unrelated tools begin to interfere with one another. As IT systems grow in terms of purpose and standards of availability, the importance of infrastructure that follows a cohesive design and implements complementary tools grows as well. Technological advancements have provided a myriad of strategies for introducing High Availability and Disaster Recovery, and IT Infrastructure has also grown to accommodate design patterns tailored towards other use cases. Just glance at the common cloud design patterns that Microsoft publishes in its documentation. It is easy to see how each pattern is applicable, but it is just as easy to see how patterns can conflict with one another as well. Pattern overlap is difficult to navigate and can make designing IT infrastructure a difficult process. Infrastructure regularly needs to employ multiple design patterns, and in turn, there is more and more need for patterns that “stay out of each other’s way”.

Author: Philip Merry – Software Engineer at SIOS

Reproduced with permission from SIOS

Top Reasons Businesses Are Adopting Disaster Recovery as a Service (DRaaS) Solutions

December 9, 2025 by Jason Aw Leave a Comment

Top Reasons Businesses Are Adopting Disaster Recovery as a Service (DRaaS) Solutions

In today’s fast-paced digital landscape, businesses rely heavily on data and technology to keep operations running smoothly. However, with increasing threats from cyberattacks, hardware failures, and natural disasters, the risk of downtime and data loss for companies has never been greater. To better deal with these challenges, many companies are turning to Disaster Recovery as a Service (DRaaS) solutions.

What is Disaster Recovery as a Service (DRaaS)?

You might be wondering, what exactly is DRaaS? Well, it’s sort of just like it sounds. It’s a cloud-based service that allows companies to back up their data and applications to a third-party provider. DRaaS differs from Backup as a Service (BaaS) in one critical aspect in that DRaaS includes the entire infrastructure to quickly failover to the cloud environment, whereas traditional BaaS only backs up the data itself.

Why Businesses Are Turning to DRaaS Solutions

Now, why are companies adopting this approach to Disaster Recovery? One of the biggest reasons is cost. Traditional disaster recovery setups often require large investments in secondary data centers or hardware, and the maintenance that goes along with that. DRaaS eliminates these expenses by offering a subscription-based model utilizing the cloud, which allows companies to pay only for the resources they need. This makes enterprise-level disaster recovery much more cost-effective, even for small and mid-sized businesses.

Key Benefits of Adopting DRaaS

Another major driver for adopting DRaaS is its scalability and flexibility. As businesses grow and adapt and their data needs evolve, DRaaS solutions allow them to easily scale resources up or down without major infrastructure changes. This adaptability ensures that recovery plans can evolve alongside business goals.

DRaaS also provides faster recovery times, minimizing downtime through automated failover and continuous data replication. That means getting back up and running quickly, reducing possible financial losses, and minimizing any disrepute.

Additionally, enhanced security and compliance make DRaaS an attractive choice. Leading DRaaS providers enforce advanced security measures such as strict encryption, monitoring, and updates to protect data and meet industry standards. With the rise of ransomware and other cyber threats, DRaaS adds a critical layer of protection, allowing data to be recovered even after a cyber attack.

How DRaaS Solutions Support Business Continuity and Resilience

Ultimately, adopting DRaaS is not just about disaster recovery; it’s about building resilience. Companies that invest in DRaaS demonstrate a proactive commitment to protecting their data, maintaining customer trust, and ensuring uninterrupted operations no matter what challenges arise.

DRaaS and High Availability Solutions from SIOS Technology

At SIOS Technology, we understand that every minute of downtime can have a lasting impact on a business, and our powerful, cloud-ready DR and high availability solutions are designed to achieve seamless protection, rapid recovery, and complete peace of mind. Whether running critical workloads in the cloud, on-premises, or in hybrid environments, SIOS delivers the reliability and performance needed to keep critical businesses running no matter what happens.

Request a demo today to see how SIOS can strengthen your DRaaS strategy and keep your critical systems protected.

Author: Cassy Hendricks-Sinke, Principal Software Engineer at SIOS

Reproduced with permission from SIOS