Deploy Stein version OpenStack with Kolla (including Ceph storage)

This is my tweet. If you have questions, you can add CommunicationsAnd don't elaborate too much here in Kolla's introduction, there are many documents on the web.This article focuses on the latest version of Kolla to solve the problem that a single node cannot deploy ceph-osd (multi-node cannot deploy Ceph-osd when testing).In the latest versi ...

Posted on Mon, 02 Sep 2019 09:23:41 -0700 by smp

Using nfs to implement persistent storage in k8s cluster

Prepare NFS service 192.168.1.244$ yum -y install nfs-utils rpcbind$ systemctl start nfs-server rpcbind$ systemctl enable nfs-server rpcbind$ mkdir -p /data/k8s$ cd /data/k8s$ echo 11111111 > index.html$ vim /etc/exports/data/k8s *(rw,async,no_root_squash)$ systemctl restart nfs-server$ exportfs -arvClient test, all k8s nodes need to ...

Posted on Thu, 22 Aug 2019 01:12:37 -0700 by nats

Detailed usage of the ceph-kvstore-tool tool

Article Directory brief introduction Use summary brief introduction The ceph-kvstore-tool is used to obtain key-value metadata stored in a leveldb or rocksdb database.And the tool can configure the data in kvstore as if it were operating osd map on an offline osd Using this tool, you need to i ...

Posted on Fri, 09 Aug 2019 19:37:09 -0700 by abid786

Ceph Distributed Storage Series 01-Ceph Distributed Storage Cluster Construction

The general trend of the world, dividing time must be combined, dividing time score. I find that this sentence can really be incorporated into the development history of everything. From the history of storage development, previous storage was directly accessed to the local computer (DAS - direct additional storage) by means of local hard disk ...

Posted on Fri, 05 Jul 2019 11:48:15 -0700 by barry_p

Manage the ceph cache pool

Catalog Introduction to Cache Pools Cache pool principles The working mode of the cache pool Configure Cache Pool 1. Create a cache pool 2. Setting up the cache layer 3. Explanation of cache layer related parameters 4. Test Cache Pool Delete Cache Pool 1. ...

Posted on Mon, 24 Jun 2019 12:12:15 -0700 by Arbitus

crushmap Disk Intelligent Grouping

Catalog brief introduction Configure crush class 1. Create ssd class 2. Create class rule based on ssd 3. Create a storage pool based on ssd_rule rules rules 4. Testing ssd-based pools brief introduction ceph has since added a new feature called crush class, also known as ...

Posted on Mon, 24 Jun 2019 09:50:26 -0700 by whizzkid-000

Two Kubernetes use the same Ceph store to achieve persistent data migration between Kubernetes

[TOC] Currently, the latest stable version of Kubernetes is 1.14.So far, there are no different schemes for persistent storage migration between Kubernetes.However, according to the Kubernetes pv/pvc binding process and principle, as long as the binding relationship of "Storage" --> "PV" --> "PVC" is the sa ...

Posted on Sat, 04 May 2019 10:00:37 -0700 by romeo

Qcow2 on Centos 7.2 and qcow2 on Centos 6.6

1. background: > Now we need to migrate three kvm virtual machines from the Centos 7.2 physical machine to the Centos 6.6 physical machine. > The system can be imported normally and the operation is skipped. 2. Error reporting information: The disk file qcow2 is not working properly. The error is as follows: virsh # attach-disk dlw1 /kvm ...

Posted on Sun, 14 Apr 2019 11:39:33 -0700 by peytonrm

Ceph Learning Notes 2 - Using Ceph Backend Storage in Kolla-Ansible

Environmental description For Kolla-Ansible, please refer to "Deploying OpenStack Pike on CentOS 7 Single Node Using Kolla-Ansible"; To deploy the Ceph service, refer to "Ceph Learning Notes 1-Mimic Version Multi-node Deployment". Configure Ceph Log in as osdev user: $ ssh osdev@osdev01 $ cd /opt/ceph/deploy/ Create Poo ...

Posted on Sat, 26 Jan 2019 20:54:14 -0800 by rayner75