# journalctl -xeu "Sakuragawa"

Upgrade OMV 4 to 5: A Painful Path

OpenMediaVault, as a popular NAS solution, has released "Usul" for months. Somehow there is no built-in ways to upgrade between major releases. The actual best upgrade solution is a clean installation.

Debugging: MISCONF Redis is configured to save RDB snapshots

This error occurs because of BGSAVE being failed. A lot of the times BGSAVE fails because the fork can't allocate memory. Many times the fork fails to allocate memory (although the machine has enough RAM available) because of a conflicting optimization by the OS.

Deploy Ceph storage and CSI for pods consume in Kubernetes Home Lab

Previous Status Continue on previous post https://blog.sakuragawa.moe/simple-homebrew-kubernetes-deployment/ [https://blog.sakuragawa.moe/simple-homebrew-kubernetes-deployment/] And this should be suitable for any working Kubernetes cluster with some storage node. The Kubernetes cluster bootstrapping is complete but storage is not defined in the cluster, it's not possible to persist any

Simple home lab Kubernetes cluster deployment

Before this note Recently I have build a in house tower server for self use, development, experiment of things. I could try Kubernetes labs or Public OpenShift infrastructure but the cost of a machine satisfy a geek is huge. And deploy a cluster in bare-metal is something interesting also. The

Adding Footnotes to GitHub-flavored Markdown

GitHub Flavored Markdown doesn't support footnotes, but it could be faked with superscript tags. It could be even made clickable here as well.

# journalctl -xeu "Sakuragawa" © 2026