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If you want true highavailability – meaning that your SQL Server database will be accessible 99.99 The PaaS offering — Amazon RDS – falls out of the running because its service level agreement (SLA) only guarantees an availability level of 99.95 Will you use SQL Server’s built-in Availability Groups (AG) functionality?
Active-active vs. Active-passive: Decoding High-availability Configurations for Massive Data Networks by Pure Storage Blog Configuring highavailability on massive data networks demands precision and understanding. Now, let’s dive into Active-active vs. Active-passive.
The post also introduces a multi-site active/passive approach. The multi-site active/passive approach is best for customers who have business-critical workloads with higher availability requirements over other active/passive environments. In case of failover, the data plane scales up to meet the workload requirements.
In the challenging landscape of keeping your IT operations online all the time, understanding the contrasting methodologies of highavailability (HA) and disaster recovery (DR) is paramount. What Is HighAvailability? Failover is a part of the DR plan by providing both system and network-level redundancy.
Failover vs. Failback: What’s the Difference? by Pure Storage Blog A key distinction in the realm of disaster recovery is the one between failover and failback. In this article, we’ll develop a baseline understanding of what failover and failback are. What Is Failover? Their effects, however, couldn’t be more different.
Failover vs. Failback: What’s the Difference? by Pure Storage Blog A key distinction in the realm of disaster recovery is the one between failover and failback. In this article, we’ll develop a baseline understanding of what failover and failback are. What Is Failover? Their effects, however, couldn’t be more different.
My subsequent posts shared details on the backup and restore , pilot light, and warm standby active/passive strategies. In this post, you’ll learn how to implement an active/active strategy to run your workload and serve requests in two or more distinct sites. DR strategies: Multi-site active/active. DR strategies.
In this feature, SIOS Technology Corp ‘s Dave Bermingham reveals three highavailability for SQL Server in AWS options to consider. If you want true highavailability – meaning that your SQL Server database will be accessible 99.99 Will you use SQL Server’s built-in Availability Groups (AG) functionality?
So, given its importance, you want to make sure you have a solid solution for ensuring it’s highly available or protected in the event of a disaster. Most SAP HANA customers today are using SAP HANA system replication (HSR) to ensure the highavailability and disaster recovery systems remain in sync.
Pure Cloud Block Store offers built-in data protection that leverages multiple high-availability zones (AZs), to reduce physical fault domain exposure. Pure Cloud Block Store removes this limitation with an architecture that provides highavailability. Kunal Kapoor, Director Product Management, Pure Storage.
AWS Regions are built with multiple isolated and physically separate Availability Zones (AZs). This approach allows you to create highly available Well-Architected workloads that span AZs to achieve greater fault tolerance. AWS CloudTrail logs user activity and API usage. Considerations before getting started.
These are backup and restore, active/passive (pilot light or warm standby), or active/active. Let’s see how the SIP trunk termination on the AWS network handles the failover scenario of a third-party IVR application installed on Amazon EC2 at the DR site. Best practices for highavailability of IVR solution on AWS.
Live migration: Hyper-V enables live migration of virtual machines between hosts without downtime, ensuring continuous availability and resource optimization. High-availability clusters: Configure failover clusters where VMs automatically migrate to a healthy server in case of hardware failure, minimizing service disruptions.
Humans conflate Availability with Contingency Many outages are caused or exacerbated because ‘fail-proof’ systems failed. High security, compartmentalized access, biometrics, the works. Uptime Institute Tier 4, everything down to the power into the racks was HighAvailability.
In this blog post, we share a reference architecture that uses a multi-Region active/passive strategy to implement a hot standby strategy for disaster recovery (DR). With the multi-Region active/passive strategy, your workloads operate in primary and secondary Regions with full capacity. This keeps RTO and RPO low. Amazon RDS database.
Item #3: “ Active/Active Controller Architecture”¹⁴ Is a Good Thing We see this B.S. ” ¹⁵ PowerStore claims “active/active controller architecture where both nodes are servicing I/O simultaneously.” ¹⁶ Frankly, that has been the legacy over the course of VNX to Unity to now PowerStore. .” PowerStore B.S.
They continuously improve systems’ design and operation, and they work closely with development teams to ensure that systems are highly available, resilient, and prepared for planned and unplanned disruptions to applications. A robust DR strategy is critical to application availability and resilience.
For software replication with Always On availability groups across regions in Microsoft SQL Server 2022, the following benefits can be realized: Volume snapshots and asynchronous replication can be used to ensure that, after failover, disaster recovery posture can be regained rapidly. ActiveDR Continuous Replication .
It offers numerous high-availability solutions. Single-command failover. To minimize risk, orchestration steps for the entire environment stay the same during the test or in an actual failover event. MySQL HighAvailability We know that a truly resilient business strategy means ensuring availability at multiple levels.
Every AWS Region consists of multiple Availability Zones (AZs). A Multi-AZ strategy, which replicates resources across AZs, is necessary to provide highavailability (HA). Failover and cross-Region recovery with a multi-Region backup and restore strategy. Backup within the AWS Region.
These strategies enable them to offer highavailability, data durability, and robust security, making them an ideal choice for businesses seeking reliable off-site backup solutions. This strategy ensures that data is continuously mirrored, allowing for rapid failover in case of a server failure.
Availability: Concerns to solve for highavailability (HA) and DR. Now let’s discuss how we can address these concerns in the AWS Cloud. First, the AWS Well-Architected Framework covers important architecture principles and related services that help you with availability and performance. Active-active (Tier 1).
Arcserve offers several different backup products, including Arcserve Unified Data Protection (UDP), Arcserve Replication and HighAvailability, Arcserve UDP Cloud Direct, UDP Cloud Hybrid, and a legacy offering. Learn more and compare products with the Solutions Review Buyer’s Guide for Backup and Disaster Recovery.
Arcserve offers several different backup products, including Arcserve Unified Data Protection (UDP), Arcserve Replication and HighAvailability, Arcserve UDP Cloud Direct, UDP Cloud Hybrid, and a legacy offering. Learn more and compare products with the Solutions Review Data Pr otection Buyer’s Guide.
Any data that has been identified as valuable and essential to the organization should also be protected with proactive security measures such as Cyberstorage that can actively defend both primary and backup copies from theft.” However, backups fail to provide protection from data theft with no chance of recovery.
Every minute of activity translates to lost revenue, diminished productivity, and potentially irreparable damage to reputation. When it comes to mass data recovery at scale and with speed, there are several solutions out there including highavailability (HA) , disaster recovery (DR) , backup , and archive.
A good strategy for resilience will include operating with highavailability and planning for business continuity. AWS recommends a multi-AZ strategy for highavailability and a multi-Region strategy for disaster recovery. Failover Our customer decided to test the Pilot Light scenario.
Disaster recovery and backup: Hyper-V supports live migration, replication, and failover clustering, making it a popular choice for business continuity and disaster recovery solutions. Hyper-V supports large VMs with high resource limits (e.g., Access Control Hyper-V uses Active Directory for role-based access control.
vSphere highavailability (HA) and disaster recovery (DR): VMware offers built-in highavailability and disaster recovery features, ensuring that critical workloads can quickly recover from failures with minimal downtime. Its flexible architecture allows for both on-premises and cloud integration.
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