Programmer Help

http://docs.ceph.org.cn/radosgw/ Object is the basic unit of data storage in the Object Storage system. Each object is a synthesis of data and data attribute set. Data attributes can be set according to application requirements, including data distribution, quality of service, etc. each object maintains its attributes, which simplifies the mana ...

reference material: Ceph's RADOS design principle and Implementation https://docs.ceph.com/en/latest/rados/operations/crush-map/ http://strugglesquirrel.com/2019/02/02/ceph%E8%BF%90%E7%BB%B4%E5%A4%A7%E5%AE%9D%E5%89%91%E4%B9%8B%E9%9B%86%E7%BE%A4osd%E4%B8%BAfull/ https://docs.ceph.com/en/latest/rados/operations/balancer/#modes CRUSH Crush alg ...

Environmental preparation The k8s and ceph environments we use are as follows:https://blog.51cto.com/leejia/2495558https://blog.51cto.com/leejia/2499684 Introduction to ECK Elastic Cloud on Kubernetes, a new orchestration product based on the Kubernetes Operator model, allows users to configure, manage, and run Elastic search clusters on Kuber ...

Ceph is born with the concept of two places and three centers. The so-called double activity is two multi-site. Ceph two data centers can be in one cluster or in different clusters. The structure diagram (other mountain stone) is as follows: 1. Environmental information 2. Create Master zone In a multi site configuration, all RGWS will receiv ...

K8S: Helm Deployment ELK 7.6 scene Deploy a stateful application ELK on K8S to collect reports of daily test data (eartbeat for application dialing, APM for call chain tracking, metabeat for performance indicators, etc.).This article provides the underlying storage through root to install elk's statefulset, deploy MetalLB to achieve local load ...

Pick up another article. KubeSphere practical elimination Recently, some usage problems have been recorded in the use of kubesphere, hoping to be helpful to others Eight kubesphere application upload problems 8.1 file upload 413 The application is deployed into the kubesphere. The function of uploading files is set in the application. When t ...

osd crush weight osd weight crushtool modifies crushmap test When we execute the ceph osd tree command, a WEIGHT and REWEIGHT are displayed in the display. What are they? [root@xt7 ceph]# ceph osd tree //The second column corresponds to osd crush weight, and the last column corresponds to osd weight ID WEIGHT ...

Actual Target To learn how to use Ceph, first you need a Ceph cluster. This paper deploys a Ceph cluster through ceph-deploy, a tool to automate the deployment of Ceph, masters the method of Ceph cluster deployment, the deployment of Ceph core components, and then masters the interactive use of CEPH client commands to create pool s and rbd blo ...

Ceph is the most popular distributed storage system today. This article records the detailed steps of installing and configuring Ceph. Configure work in advance Start with the first cluster node, and then gradually add other nodes. For Ceph, the first node we join should be Monitor, which we set to ...

Article Directory Preface Step 1: Define a callback function Step 2: Common functions call callback functions Common Function Function Implementation Step 3: Examine one of the group sub-modules Step 4: Reuse id to control the development of team members Preface The first step in the learning of ...