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做自己的建材配送网站,wordpress菜单添加后然后怎么办,顺德品牌网站建设价位,深圳公司网站建设Kubernetes云原生存储解决方案openebs部署实践-4.0.1版本#xff08;helm部署#xff09; 简介 OpenEBS 是一种开源云原生存储解决方案。OpenEBS 可以将 Kubernetes 工作节点可用的任何存储转化为本地或复制的 Kubernetes 持久卷。OpenEBS 帮助应用和平台团队轻松地部署需要…Kubernetes云原生存储解决方案openebs部署实践-4.0.1版本helm部署 简介 OpenEBS 是一种开源云原生存储解决方案。OpenEBS 可以将 Kubernetes 工作节点可用的任何存储转化为本地或复制的 Kubernetes 持久卷。OpenEBS 帮助应用和平台团队轻松地部署需要快速、持久耐用、可靠且可扩展的容器原生存储的 Kubernetes 有状态工作负载。 OpenEBS 也是基于 NVMe 存储部署的首选方案之一。 OpenEBS 最初由 MayaData 构建并捐赠给了云原生计算基金会Cloud Native Computing Foundation。 OpenEBS 工作流: 安装部署 另一篇文章部署实践了3.10.0版本本文部署最新的版本新版本提供了更多的功能。 设置helm仓库 helm repo add openebs https://openebs.github.io/openebs helm repo update使用默认值安装OpenEBS helm chart helm install openebs –namespace openebs openebs/openebs –create-namespace上面的命令会安装OpenEBS Local PV Hostpath, OpenEBS Local PV LVM, OpenEBS Local PV ZFS, and OpenEBS Replicated Storage组件。 下面的命令选择不安装openebs replicated Storage: helm install openebs –namespace openebs openebs/openebs –set engines.replicated.mayastor.enabledfalse –create-namespace查看安装的chart helm ls -n openebs 安装情况确认 kubectl get pods -n openebs如果是全部组件安装 NAME READY STATUS RESTARTS AGE openebs-agent-core-674f784df5-7szbm ²⁄₂ Running 0 11m openebs-agent-ha-node-nnkmv ¹⁄₁ Running 0 11m openebs-agent-ha-node-pvcrr ¹⁄₁ Running 0 11m openebs-agent-ha-node-rqkkk ¹⁄₁ Running 0 11m openebs-api-rest-79556897c8-b824j ¹⁄₁ Running 0 11m openebs-csi-controller-b5c47d49-5t5zd ⁶⁄₆ Running 0 11m openebs-csi-node-flq49 ²⁄₂ Running 0 11m openebs-csi-node-k8d7h ²⁄₂ Running 0 11m openebs-csi-node-v7jfh ²⁄₂ Running 0 11m openebs-etcd-0 ¹⁄₁ Running 0 11m openebs-etcd-1 ¹⁄₁ Running 0 11m openebs-etcd-2 ¹⁄₁ Running 0 11m openebs-io-engine-7t6tf ²⁄₂ Running 0 11m openebs-io-engine-9df6r ²⁄₂ Running 0 11m openebs-io-engine-rqph4 ²⁄₂ Running 0 11m openebs-localpv-provisioner-6ddf7c7978-4fkvs ¹⁄₁ Running 0 11m openebs-loki-0 ¹⁄₁ Running 0 11m openebs-lvm-localpv-controller-7b6d6b4665-fk78q ⁵⁄₅ Running 0 11m openebs-lvm-localpv-node-mcch4 ²⁄₂ Running 0 11m openebs-lvm-localpv-node-pdt88 ²⁄₂ Running 0 11m openebs-lvm-localpv-node-r9jn2 ²⁄₂ Running 0 11m openebs-nats-0 ³⁄₃ Running 0 11m openebs-nats-1 ³⁄₃ Running 0 11m openebs-nats-2 ³⁄₃ Running 0 11m openebs-obs-callhome-854bc967-5f879 ²⁄₂ Running 0 11m openebs-operator-diskpool-5586b65c-cwpr8 ¹⁄₁ Running 0 11m openebs-promtail-2vrzk ¹⁄₁ Running 0 11m openebs-promtail-mwxk8 ¹⁄₁ Running 0 11m openebs-promtail-w7b8k ¹⁄₁ Running 0 11m openebs-zfs-localpv-controller-f78f7467c-blr7q ⁵⁄₅ Running 0 11m openebs-zfs-localpv-node-h46m5 ²⁄₂ Running 0 11m openebs-zfs-localpv-node-svfgq ²⁄₂ Running 0 11m openebs-zfs-localpv-node-wm9ks ²⁄₂ Running 0 11m问题记录 本文在进行实际部署后出现了openebs-csi-node无法正常启动的问题详情如下 rootmaster1:# kubectl get pod -n openebs … openebs-csi-node-jk7wj 0/2 Init:0/1 1 23h openebs-csi-node-k98dr 0/2 Init:0/1 1 23h openebs-csi-node-vrhsj 0/2 Init:0/1 1 23h openebs-csi-node-wp7z2 0/2 Init:0/1 1 23h …# 查看日志pod卡在初始化阶段 rootmaster1:/etc# kubectl logs -n openebs openebs-csi-node-jk7wj Defaulted container csi-node out of: csi-node, csi-driver-registrar, nvme-tcp-probe (init) Error from server (BadRequest): container csi-node in pod openebs-csi-node-jk7wj is waiting to start: PodInitializing出现了该问题的原因为linux内核没有加载nvme_tcp模块各个节点使用命令modprobe nvme_tcp加载后删除pod重建启动正常。 将模块加载命令写入到配置文件中重启系统后自动加载 echo nvme_tcp | sudo tee /etc/modules-load.d/openebs.conf如果禁用了Replicated Storage输出类似如下 NAME READY STATUS RESTARTS AGE openebs-localpv-provisioner-6ddf7c7978-jsstg ¹⁄₁ Running 0 3m9s openebs-lvm-localpv-controller-7b6d6b4665-wfw64 ⁵⁄₅ Running 0 3m9s openebs-lvm-localpv-node-62lnq ²⁄₂ Running 0 3m9s openebs-lvm-localpv-node-lhndx ²⁄₂ Running 0 3m9s openebs-lvm-localpv-node-tlcqv ²⁄₂ Running 0 3m9s openebs-zfs-localpv-controller-f78f7467c-k7ldb ⁵⁄₅ Running 0 3m9s openebs-zfs-localpv-node-5mwbz ²⁄₂ Running 0 3m9s openebs-zfs-localpv-node-g45ft ²⁄₂ Running 0 3m9s openebs-zfs-localpv-node-g77g6 ²⁄₂ Running 0 3m9s说明 OpenEBS中的Replicated Storage是指通过将数据复制到多个存储节点来提供高可用性和数据冗余的一种存储方案。 demo测试 openebs部署完成后会自动创建存储类我们使用openebs-hostpath这个StorageClass来创建PVC。 存储类 rootmaster1:# kubectl get sc -n openebs NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE mayastor-etcd-localpv openebs.io/local Delete WaitForFirstConsumer false 2d mayastor-loki-localpv openebs.io/local Delete WaitForFirstConsumer false 2d openebs-hostpath openebs.io/local Delete WaitForFirstConsumer false 2d openebs-single-replica io.openebs.csi-mayastor Delete Immediate true 2d创建一个示例应用挂载openebs提供的存储进行测试。资源清单文件openebs-test.yaml包括pvc和pod apiVersion: v1 kind: PersistentVolumeClaim metadata:name: local-hostpath-pvc

spec:storageClassName: openebs-hostpathaccessModes:- ReadWriteOnceresources:requests:storage: 5Gi

apiVersion: v1 kind: Pod metadata:name: hello-local-hostpath-pod spec:volumes:- name: local-storagepersistentVolumeClaim:claimName: local-hostpath-pvccontainers:- name: hello-containerimage: busyboxcommand:- sh- -c- while true; do echo date [hostname] Hello from OpenEBS Local PV. /mnt/store/greet.txt; sleep \(((\)RANDOM % 5 300)); donevolumeMounts:- mountPath: /mnt/storename: local-storage创建资源kubectl create -f openebs-test.yaml等待创建完成。 rootmaster1:# kubectl get pod -o wide | grep hello hello-local-hostpath-pod ¹⁄₁ Running 0 33s 10.244.2.35 master3 none nonerootmaster1:# kubectl get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE local-hostpath-pvc Bound pvc-8b06018d-4222-49e0-adf2-4cbf0b4f3410 5Gi RWO openebs-hostpath 78srootmaster1:# kubectl get pv NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE pvc-8b06018d-4222-49e0-adf2-4cbf0b4f3410 5Gi RWO Delete Bound default/local-hostpath-pvc openebs-hostpath 77s# 检查node1节点的本地路径 testmaster3:$ cat /var/openebs/local/pvc-8b06018d-4222-49e0-adf2-4cbf0b4f3410/greet.txt Wed Jul 3 14:04:49 UTC 2024 [hello-local-hostpath-pod] Hello from OpenEBS Local PV.参考资料 仓库地址https://github.com/openebs/openebs 官方文档https://openebs.io/docs/quickstart-guide/installation