Programmer Group

Reference connection:< https://docs.ceph.com/docs/master/ 2.1 cluster planning At least three Centos7 system virtual machines are used to deploy Ceph cluster. Hardware configuration: 2C4G. In addition, each machine should be equipped with at least three hard disks (5g for each disk) HOST IP Service Mark cephmanager01 public network:1 ...

1. Preface In the previous video monitoring system, according to the needs of different users, many kinds of video monitoring cores have been made, including ffmpeg cores, vlc cores, mpv cores, and Haikang sdk cores. In order to make a common function, different cores are very convenient to switch, such as pro changing the variable name of DEFI ...

1. PG introduction This time, I'd like to share the detailed explanation of various states of PG in Ceph. PG is one of the most complex and difficult concepts. The complexity of PG is as follows: At the architecture level, PG is in the middle of the RADOS layer. a. Up is responsible for receiving and processing requests from clients. b. The ...

1, Foreword The last work is made by the ffmpeg kernel. Because ffmpeg is too powerful, many beginners will see the state of confusion. There are also many users who only need a simple video stream to play, which does not need to involve the decoding and transcoding. So vlc came on the stage. It directly encapsulates ffmpeg in depth and provid ...

1. Ceph combined with volumes Objective: to achieve Ceph RBD and kubernetes volumes integration. 1.1 preparations 1. Creating pool s and users [root@node-1 ~]# ceph osd pool create kubernetes 8 8 2. Create an authenticated user [root@node-1 ~]# ceph auth get-or-create client.kubernetes mon 'profile rbd' osd 'profile rbd pool=kubernetes' [clie ...

Article Directory Preface First: The theoretical basis of CEPH 1.1: Overview 1.2: Related concepts 1.3: No central architecture at all 2: Deploy CEPH cluster 2.1: Deploying a CEPH environment 2.2: CEPH cluster building 2.3: CEPH Cluster Management Page Installation 3: docking between CEPH and ope ...

Catalog Demand background Tesseract introduction and environment construction Font training Tesseract for iOS summary Demand background Due to the limitation of the client core, most of the ID card identification in the market will be put in the server verification. The client is generally only ...

1. Post it first to help with the information auth add <entity> {<caps> [<caps>...]} add auth info for <entity> from input file, or random key if no input is given, and/or any caps specified in the command auth caps <entity> <c ...

1. Configure host, install ntp (not required)2. Configure Secret-Free ssh3. Configure ceph, yum source vim /etc/yum.repo.d/ceph.cepo [ceph] name=ceph baseurl=http://mirrors.cloud.tencent.com/ceph/rpm-luminous/el7/x86_64/ gpgcheck=0 priority=1 [ceph-noarch] name=cephnoarch baseurl=http://mirrors.cloud.tencent.com/ceph/rpm-luminous/el7/noarch/ ...

1: rbd introduction A block is a sequence of bytes (for example, a 512 byte block of data). Block based storage interface is the most commonly used method to store data using rotating media (such as hard disk, CD, floppy disk or even traditional 9-track tape). The ubiquitous block device interface makes the virtual block device an ideal candi ...