DFS Namespaces with root consolidation work well when migrating traditional file servers to Azure Files because users keep a stable, friendly path while the underlying storage changes. A…
I have an older HPE Nimble CS3000 ES2-H21T test array with two controllers. Controller A developed a boot-loop problem, and the array did not automatically fail over to…
I'm a web developer with more than two years of experience, and I've recently taken on a complete project that includes deployment and infrastructure. The client's existing server…
We're a small-to-medium-sized company that currently backs up our essential servers to the cloud. In a serious outage, we can spin those systems up in the cloud and…
I'm running a Node.js backend with ioredis and Redis Sentinel on AWS EKS, deployed with the Bitnami Helm chart. The setup has one primary and two replicas, with…
I've come across a puzzling difference in how legacy and newly created Network Load Balancers (NLBs) handle DNS for Availability Zones (AZs) that have no targets registered. Here's…
Hey there, sysadmin community! I've been diving deep into setting up two domain controllers on our network as a failover mechanism, specifically using Ubuntu. I've been at it…
I'm diving into the best practices for DNS TTL values, especially for highly available services using Azure Firewall as a DNS Proxy. The default TTL is set to…
Hi everyone, I currently have a functioning stretch cluster with three nodes—two on the primary site and one on the secondary site—using a file share quorum. It works…
I recently set up a firewall and had AT&T drop off a fiber connection to implement an internet failover solution. My primary ISP is Spectrum over coax, but…
I'm really curious about the idea of multi-cloud as a potential solution after the recent AWS outage affecting DynamoDB. The Forbes article mentions how it could be a…
Hi everyone! I'm diving into disaster recovery for my Kubernetes setup and facing some network issues with my local provider. I'm considering two approaches: should I go for…
Hey everyone! I'm looking to set up a high availability (HA) capable Public Key Infrastructure (PKI) and would love to hear some best practices for this kind of…
We're in the process of migrating our DHCP servers, and we've always faced issues with DHCP before—mainly related to our DNS records going haywire. I'm curious if anyone…
I'm looking for ways to perform a managed planned failover in Aurora MySQL without any write downtime. I know the multi-master feature was deprecated, so I'm seeking suggestions…
I've got a massive 40TB file server and we're looking to set up a failover to another site. Is using DFS-R a smart move for this situation? The…
I'm consulting for a client who wants redundancy in their Kubernetes setup. They have isolated k3s clusters with ArgoCD in each, and they want a failover system in…
I'm working with equipment that has a control port which allows only one active connection at a time. I have my primary client running continuously, and a standby…