ceph releases

Ceph Cluster report Monitor clock skew detected error troubleshooting, resolvingThe alarm information is as follows:[Email protected] ceph]# ceph-wCluster ddc1b10b-6d1a-4ef9-8a01-d561512f3c1dHealth Health_warnClock skew detected on mon.ceph-100-81, mon.ceph-100-82Monitor Clock Skew detectedMonmap E1:3 Mons at {ceph-100

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

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

[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

Solution to Ceph cluster disk with no available spaceFault description During use of the OpenStack + Ceph cluster, because the Virtual Machine crashes into a large amount of new data, the cluster disk is quickly consumed, there is no free space, the virtual machine cannot operate, and all operations of the Ceph cluster cannot be performed. Fault symptom An erro

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

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

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

Environment Description Role Host Name Ip OS Hard disk Admin Admin 10.0.0.230 CentOS 7.4 Mon OSD Mgr MDS node231 10.0.0.231 CentOS 7.4 /dev/vda/dev/vdb Mon OSD Mgr node232 10.0.0.232 CentOS 7.4 /dev/vda/dev/vdb Mon OSD Mgr node233 10.0.0.233 CentOS 7.4 /dev/vda/dev/vdb Client Client 10.0.0.234 CentOS 7.4 Set th

Ceph Cluster Expansion IP Hostname Description 192.168.40.106 Dataprovider Deployment Management Node 192.168.40.107 Mdsnode MON Node 192.168.40.108 Osdnode1 OSD Node 192.168.40.148

I recently needed to test the rgw of CEpH in my work, so I learned while testing. First, the tool uses Intel's open-source tool cosbench, which is also the industry's mainstream object storage testing tool. 1. cosbench installation and startupDownload the latest cosbench packageWget https://github.com/intel-cloud/cosbench/releases/download/v0.4.2.c4/0.4.2.c4.zipExtractUnzip 0.4.2.c4.zip Install related Too

CentOS is the community version of RedHatEnterpriseLinux. 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. In practice, if the bandwidth is not good, it takes a long time to download and install the tool, this is unacce

1. Installation Environment|-----node1 (MON,OSD)SDA is the system disk, SDB and SDC are OSD disks||-----node2 (MON,OSD)SDA is the system disk, SDB and SDC are OSD disksAdmin-----||-----node3 (MON,OSD)SDA is the system disk, SDB and SDC are OSD disks||-----Client6789-Port communication is used by default between Ceph Monitors, and 6,800:7,300 ports in this range are used to communicate between OSD by default2. Preparation work (all nodes)2.1. Modify th

1. Current status 2. Add a Mon (mon.node2) SSH node2 to 172.10.2.172 (Node2) vim/etc/ceph/ceph.conf Add Mon.node2 related configuration Ceph-authtool/tmp/ceph.mon.keyring--import-keyring/etc/ceph/ceph.client.admin.keyring Monmaptool--create--add node1 172.10.2.172--fsid Mkdir-p/var/lib/ceph/mon/

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.