The steps are as follows:1. Remove Mon[Email protected] ~]# ceph Mon Remove bgw-os-node153Removed mon.bgw-os-node153 at 10.240.216.153:6789/0, there is now 2 monitors2. Remove all OSD on this node1), view the OSD for this node[[email protected] ~]# Ceph OSD Tree-4 1.08 host bgw-os-node1538 0.27 Osd.8 up 19 0.27 Osd.9 up 10.27 osd.10 up 10.27 osd.11 up 12), the above node of the OSD process to stop[[email pr
1. On the management node, go to the directory where you just created the drop profile, and use Ceph-deploy to perform the following stepsmkdir /opt/cluster-/opt/cluster-cephcephnew master1 master2 Master32. Installing Ceph[email protected] ~]# Yum install--downloadonly--downloaddir=/tmp/~]# yum localinstall-c-y--disablerepo=*/ Tmp/ceph/*. RPMConfigure initial
1. Introduction Ceph is a unified, distributed storage system designed for outstanding performance, reliability, and scalability. It also provides three functions for object storage, block storage, and file system storage to simplify deployment and operations while meeting the needs of different applications. 2. Installation Preparation
Note: The following command may appear in character format when pasting the copy, if the command prompt ca
Extended development of ceph management platform Calamari. The extended development of the ceph management platform Calamari has not written logs for nearly half a year. maybe you are getting lazy. However, sometimes writing something can help you accumulate it, and you can record the extended development of the ceph management platform Calamari.
I haven't writte
About CephWhether you want to provide Ceph object storage and/or Ceph block devices for the cloud platform, or if you want to deploy a Ceph file system or use Ceph as his, all of the Ceph storage cluster deployments start with deploying a
1. Ceph integration with OpenStack (cloud-only features available for cloud hosts)
Created: Linhaifeng, Last modified: about 1 minutes ago
To deploy a cinder-volume node. Possible error during deployment (please refer to the official documentation for the deployment process) Error content: 2016-05-25 08:49:54.917 24148 TRACE Cinder runtimeerror:could Not bind to 0.0.0.0:8776 after trying for seconds Problem Analysis: runtim
The simplest ceph.conf configuration is as follows:= 798ed076-8094-429e-9e27-= ceph-192.168. 1.112 = = =192.168. 1.0/2The command is as follows:PS -aux| grep CephOutput on Ceph-admin:Ceph2108 0.2 2.2 873932 43060? Ssl -: - 0: -/usr/bin/ceph-osd-f--cluster Ceph--ID 2--setuser C
This article is also published in the Grand game G-Cloud public number, pasted here, convenient for you to checkCeph, I believe many it friends have heard. Because of the OpenStack ride, ceph fires and gets more and more hot. However, it is not easy to use a good ceph, in the QQ group often hear beginners complain that ceph performance is too bad, not good use. I
Extended development of ceph management platform CalamariI haven't written logs for nearly half a year. Maybe I am getting lazy. But sometimes writing something can help you accumulate it. Let's record it. I have been familiar with some related work since I joined the company for more than half a year. Currently, I am mainly engaged in the research and development of distributed systems. The current development is mainly at the management level and ha
1, modify the/etc/hosts, so that the host name corresponding to the IP address of the machine (if you choose a loopback address 127.0.0.1 seemingly cannot parse the domain name). Note: The following host name is monster, the reader needs to change it to its own hostname10.10.105.78 monster127.0.0.1 localhost2. Create a directory Ceph and enter3, prepare two block devices (can be hard disk or LVM volume), here we use LVM DD If=/dev/zero of=
[Email protected]:~# ceph OSD Tree
# id Weight type name up/down reweight
-1 0.05997 Root Default
-2 0.02998 Host Osd0
1 0.009995 Osd.1 up 1
2 0.009995 Osd.2 up 1
3 0.009995 Osd.3 up 1
-3 0.02998 Host OSD1
5 0.009995 Osd.5 up 1
6 0.009995 Osd.6 up 1
7 0.009995 Osd.7 up 1
Storage nodeBefore you go any further, consider this: Ceph is a distributed storage system, regardless of the details
If you want to reprint please indicate the author, original address: http://xiaoquqi.github.io/blog/2015/06/28/ceph-performance-optimization-summary/I've been busy with the optimization and testing of ceph storage, and have looked at various materials, but it seems that there is not an article to explain the methodology, so I would like to summarize here, a lot of content is not my original, but to do a sum
Extended development of the Ceph management platform Calamari
Close to the big six months did not write the log, perhaps it is more and more lazy. But sometimes writing and writing can make a deposit, or come back and record it. into adult college half a year, familiar with some related work, currently mainly engaged in the research and development of distributed systems, the current development is mainly to stay in the management level of development
The use case is simple, I want to use both SSD disks and SATA disks within the same machine and ultimately create pools pointing to SSD or SATA disks. in order to achieve our goal, we need to modify the crush map. my example has 2 SATA disks and 2 SSD disks on each host and I have 3 hosts in total.
To revoke strate, please refer to the following picture:
I. Crush Map
Crush is very flexible and topology aware which is extremely useful in our scenario. we are about to create two different root
Ceph installation in CentOS (rpm package depends on installation)
CentOS is a Community version of Red Hat Enterprise Linux. centOS fully supports rpm installation. This ceph installation uses the rpm package for installation. However, although the rpm package is easy to install, it depends too much, it is convenient to use the yum tool for installation, but it is greatly affected by the network bandwidth.
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