Using Volume Group Snapshots with LINSTOR in Kubernetes
Version 2.10.0 of the LINSTOR® Operator for Kubernetes, developed by LINBIT®, introduces support for volume group snapshots, a feature that enables crash-consistent, point-in-time snapshots of multiple persistent volumes simultaneously. Kubernetes 1.36 promoted the VolumeGroupSnapshot API to General Availability (GA) under the groupsnapshot.storage.k8s.io/v1 API group. Before volume group snapshots, a Kubernetes operator could only take snapshots of one persistent […]
Becoming More Accessible to Windows Users
I have recently seen two internal presentations on LINBIT SDS for Windows. The first was about Hyper-V virtual machines running with their virtualized backing disks on WinDRBD, the VMs managed by drbd-reactor, and a live migration controlled by drbd-reactor. The second demonstration was about MS SQL Server Express, also running on a WinDRBD volume, and made […]
LINSTOR in OpenShift: A Red Hat Certified OperatorHub Offering
The LINSTOR® Operator for managing the LINSTOR life cycle in Kubernetes is a Red Hat certified offering available through the OperatorHub in the OpenShift Container Platform. An Operator is a Kubernetes pattern that uses Custom Resource Definitions (CRDs) and Kubernetes principles such as the control loop to automate tasks. You might think of an Operator […]
Creating ReadWriteMany Persistent Volumes in Kubernetes by using LINSTOR
With the release of LINSTOR® Operator 2.10.0 for Kubernetes, users can create ReadWriteMany (RWX) Persistent Volume Claims (PVCs) directly using the LINSTOR Container Storage Interface (CSI) driver. This feature enables multiple pods to mount and write to the same LINSTOR-backed persistent volume simultaneously. RWX support is a hard requirement for applications that require shared storage, […]
Running a Local LLM in Kubernetes with vLLM & LINSTOR
Running large language model (LLM) workloads in-house rather than consuming them through managed API services is a growing trend. Managed API services are convenient, but token costs grow quickly at scale, latency can be unpredictable, and routing sensitive data through public endpoints raises compliance concerns. A hybrid approach (running open source models locally for high-volume […]
Using DRBD to Build a Reliable & High-performing 2-node HA Solution
Since 2024, LINBIT® has partnered with the open source-focused enterprise data storage, compute, and virtualization solutions company, 45Drives. This partnership helps 45Drives bring a high-performing, low-resource consuming, block storage-based 2-node high availability (HA) solution to their customers. Their HA solution based on DRBD® is a middle ground between their single-node ZFS offering and the resource […]
