Programmer Group

1: Introduction before installation A Ceph (CephFS) file system requires at least two RADOS pools, one for data and one for metadata. When configuring these pools, we should consider the following three points Use a higher level of replication for the metadata pool, because any data loss in this pool may render the entire file system inacces ...

[TOC] 1. Environmental description Software Edition operating system CentOS7.6 ceph nautilus, v14.2.4 The nautilus version of CEPH deploy is installed the same as the luminous version. Please refer to my previous article:https://blog.51cto.com/ygqygq2/2161917 2. Failed to enable ceph dashboard There is an error when the mgr module tu ...

[TOC] 1. Briefly explain why rook is used rook This is not detailed here, you can see it on the official website. Say why you want to deploy the ceph cluster on kubernetes using root.As we all know, the current kubernetes As the pod is released within the kubernetes node, its container data will also be cleared for the best cloud native contai ...

ansible, playbook, huaweiyun, ceph First, purchase the virtual machine needed to build the ceph cluster on Huawei cloud:       Then purchase the storage disk required by ceph     Mount the purchased disk to the virtual machine used to build ceph Installing ansible on the springboard machine Check the ansible vers ...

The iSCSI gateway integrates Ceph storage and iSCSI standards to provide a high availability (HA) iSCSI target that exports RADOS block device (RBD) images to SCSI disks. The iSCSI protocol allows clients to send SCSI commands to SCSI storage devices (targets) over TCP/IP networks. This allows heterogeneous clients to access the Ceph storage cl ...

1. Environmental preparation 1.1. Modify the host name 172.31.21.135 Execute hostname CTL set-hostname ceph1 172.31.21.185 Execute hostname CTL set-hostname ceph2 172.31.21.167 Execute hostname CTL set-hostname ceph3 1.2. Configuration of Aliyuan rm -f /etc/yum.repos.d/* wget -O /etc/yum.repos.d/Cent ...

Processing flow of request in RGW for source code interpretation Request Processing Flowchart Take civetweb as an example rgw_main.cc is the entry for the entire radosgw service. The main() function selects different front-end types based on the rgw frontends parameter settings in ceph.conf, and then executes the corresponding run() method t ...

When we deploy ceph, we mostly need to close the firewall. What happens if we don't close the firewall? Previously, a CEPH cluster was deployed remotely to the company, and openshift was deployed on three nodes. There are many problems when deploying ceph. The most painful thing is that osd is hung up, but the health check shows err, osd 0 in ...

Kolla is a project hatched from openstack. kolla project can produce mirrors including openstack, ceph and other container images. ansible is an automated deployment tool that performs tasks in playbook. Kolla-ansible is a container deployment tool, deploying openstack and ceph; the container image deployed by kolla-ansible can be built by ko ...

Deploying docker-based CEPH cluster using ceph-ansible Install ansible Download ceph-ansible Configure ceph-ansible Start deployment Destroying Clusters (Caution) Install ansible For installing ansible and configuring secret-free login between nodes, this is not covered here. Please refer to Official Documents. Downlo ...