Recently my Ceph cluster hit 70% utilization. After checking, most of it was due to improper usage causing resource multiplication. To clean it up properly, I needed to do a migration.
This article records how I migrated from a k0s cluster to a k8s cluster. This migration guide also works for other k8s distros.
My 2024 survival rate: 100%
Hell yeah!
Recording how to quickly deploy a Ceph cluster using cephadm.
How it started: A seed planted
I grew up in a poor village in Henan. The government’s “Two Exemptions and One Subsidy” policy gave me a chance to go to school and see the world beyond my village. That experience stuck with me.
I know that even after compulsory education, high school and college remain out of reach for many families. If I can help some kids who are stuck at that starting line like I was, I want to do it.
Trading expertise for kindness, making tech more human
Welcome. This page is the core engine of putting my “Glimmer Plan” into practice. I believe professional skills can not only solve technical problems, but also become a medium for spreading warmth. Here, every service you receive - all proceeds are donated to educational assistance projects, directly supporting students in need. This is a win-win collaboration: your problems get solved, and children far away gain more hope because of you.
Hi, I’m Chris Su.
The name “The Empty Cup” (半瓶斋 in Chinese) comes from a reminder from my mentor - “Don’t be a half-bottle that makes the most noise.” I keep that in mind, so what you’ll find here are just some half-baked ideas and tinkering notes, nothing fancy.
I had to take a break from school in middle school due to depression. Later, with the help of my family and teachers, I started over from vocational school. That experience got me interested in two things: