Introduction and Setup of Ceph(CephFS) File System

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 ...

Posted by renj0806 on Tue, 17 Dec 2019 18:20:04 -0800

Deploying rook-ceph storage system on kubernetes

[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 ...

Posted by pbarney on Mon, 11 Nov 2019 14:20:54 -0800

Using ANSI ble to write playbook to automatically install ceph cluster in Huawei cloud batch configuration management tool

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 ...

Posted by Mattyspatty on Sat, 26 Oct 2019 10:10:30 -0700

SUSE Ceph iSCSI gateway management - Storage6

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 ...

Posted by BrandonKahre on Sat, 12 Oct 2019 13:00:57 -0700

centos7 (three nodes) to build ceph environment

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 ...

Posted by Pig on Mon, 30 Sep 2019 09:29:30 -0700

Using vlan network in Openstack

  On the left is my personal micro-letter. If you need further communication, Please add micro-letter. On the right is my public number, Openstack Private Cloud. If you are interested, please pay attention. After the Openstack deployment and installation, the default tenant network is vxlan, but in actual projects, more tenants use vlan or fl ...

Posted by curioadmin on Fri, 09 Aug 2019 03:14:38 -0700

Introduction to PX4 and Ardupilot (Chapter 1: Architecture and Startup Process)

Catalog abstract Section 1: Differences and Relations between px4 and apm Section 2: The role of px4 and apm in each folder Section 3: Start-up process of px4 and apm UAV abstract This section mainly records the comparison documents between the code architecture of px4 and Ardupilot, welcome criticism and corre ...

Posted by p0pb0b on Fri, 17 May 2019 06:32:53 -0700

The influence of firewall on ceph

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 ...

Posted by spheonix on Thu, 16 May 2019 21:24:05 -0700

Ceph osd boot error osd init failed (36) File name too long

1. Problem phenomena: On Ceph's OSD node, the start of the OSD process failed and the following error message was seen in its log: 2017-02-14 16:26:13.558535 7fe3883f58c0 0 filestore(/var/lib/ceph/osd/ceph-1) mount: enabling WRITEAHEAD journal mode: checkpoint is not enabled 2017-02-14 16:26:13.558712 7fe3883f58c0 -1 journal Fi ...

Posted by codeman on Wed, 23 Jan 2019 02:12:13 -0800