Running Cozystack on Three 8 GB Raspberry Pi 5 Boards
How to build a small Cozystack cloud on three 8 GB Raspberry Pi 5 boards: kuberoot image, VMs on Cloud Hypervisor with GICv2, replicated storage and HA etcd.
Topic: Storage
Blockstor: a LINSTOR-compatible storage system for Kubernetes, written from scratch in Go
The Cozystack team has open-sourced Blockstor: LVM and ZFS backends, DRBD replication, and a LINSTOR-compatible REST API, so existing client tooling keeps working unchanged.
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Cozystack 1.6: Talos Workers, Tenant SSO, Security Groups, Hierarchical Quotas, and Safer etcd Upgrades
Cozystack v1.6.0 moves tenant Kubernetes workers to Talos Linux, adds tenant-controlled OIDC, a SecurityGroup firewall API, hierarchical quotas, and in-place etcd-operator adoption.
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How LINSTOR and DRBD Keep Your Data Alive When a Server Dies
How Cozystack uses LINSTOR and DRBD for synchronous block-level replication on bare metal: setting up storage pools, the replicated StorageClass, and what happens when a node fails.
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Cozystack 1.3: Storage-Aware Scheduling, LINSTOR GUI, and VM Default Images
Cozystack 1.3 brings storage-aware pod scheduling, a managed LINSTOR GUI, a curated VM image catalog, application-level observability, and cross-namespace VM backup restore.
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Cozystack v0.40: LINSTOR Scheduler, SeaweedFS Traffic Locality, ValuesFrom Configuration, and Platform Decomposition
Cozystack v0.40 introduces the LINSTOR scheduler for optimal pod placement near storage replicas, SeaweedFS traffic locality, a new ValuesFrom configuration mechanism, and major platform architecture refactoring.
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Cozystack v0.37: OpenAPI Dashboard, Lineage Webhook, PVC Expansion in Tenants, and SeaweedFS S3 Discovery
Cozystack v0.37 replaces the old UI with a new OpenAPI-based Dashboard, introduces the Lineage Webhook for resource tracking, enables PVC expansion in tenant clusters, and makes SeaweedFS S3 buckets discoverable.
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Cozystack v0.12: StorageClass for All Apps, Cilium v1.16, VM Configuration, and E2E Sandbox
Cozystack v0.12 introduces storageClass configuration for all applications, updates Cilium to v1.16.1, adds tenant Kubernetes value overrides, and provides an E2E testing sandbox.
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Cozystack v0.6: VM Serial Console, Ephemeral Storage for Containers, and etcd Auto-Quota
Cozystack v0.6 adds serial console access for virtual machines, ephemeral storage volumes for containerd and kubelet, and automatic etcd quota configuration.
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DIY: Create Your Own Cloud with Kubernetes (Part 2)
Part two of building your own cloud on Kubernetes: virtualization options for running virtual machines next to containers.
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Cozystack v0.1: ZFS Support, Leader Election, and Documentation Move
The first feature release of Cozystack introduces ZFS storage support, leader election for the controller, and moves documentation to cozystack.io.