Configuring the cinder volume service to use ceph as back-end storage

Execute on ceph monitor CINDER_PASSWD='cinder1234!' controllerHost='controller' RABBIT_PASSWD='0penstackRMQ' 1. Create pool pool Create a pool pool for the cinder volume service (since I have only one OSD node, set the number of replicas to 1) ceph osd pool create cinder-volumes 32 ceph osd pool set cinder-volumes size 1 ceph osd pool applicat ...

Posted on Sun, 20 Oct 2019 16:33:32 -0400 by BrianPeiris

SUSE CaaS Platform 4 - Use Ceph RBD as persistent storage (dynamic)

Storage class storage class is a kubernetes resource type, which is created on demand by administrators for the convenience of managing PV The advantage of storage class is to support the dynamic creation of PV. Dynamic creation of adapted PV according to the requirement standard of PVC will bring great flexibility to storage management. Th ...

Posted on Tue, 08 Oct 2019 09:46:02 -0400 by bobcooper

Troubleshooting of osd down in ceph cluster

(1) Looking at the cluster status, two osd states are down [root@node140 /]# ceph -s cluster: id: 58a12719-a5ed-4f95-b312-6efd6e34e558 health: HEALTH_ERR noout flag(s) set 2 osds down 1 scrub errors Possible data damage: 1 pg inconsistent Degraded data redundancy: 1633/ ...

Posted on Sat, 05 Oct 2019 04:43:35 -0400 by villager203

Ceph Replace OSD Disk

Catalog brief introduction Change OSD operation steps 1. Fault Disk Location 2. Remove faulty disks 3. Rebuild raid0 4. Rebuild osd Control data recovery and backfill speed brief introduction First of all, it should be noted that the osd of ceph is not recommended ...

Posted on Mon, 24 Jun 2019 13:00:54 -0400 by chrishawkins

docker creates ceph cluster

background Ceph officials now provide two types of mirrors to create clusters, one is conventional, and each Ceph component is a separate image, such as ceph/daemon, ceph/radosgw, ceph/mon, ceph/osd, etc. The other is the latest way in which all Ceph components are integrated into a single mirror ceph/daemon. If you want to create the correspon ...

Posted on Mon, 03 Jun 2019 22:38:15 -0400 by jbardin

Deployment and Management of Ceph RBD

RBD introduction RBD block storage is the most widely used and stable storage type among the three storage types provided by ceph. RBD blocks are similar to disks and can be mounted on physical or virtual machines. There are two common ways to mount them: Kernel Module (KRBD) Using QEMU Simulator to Pass LIBRBD A block is an ordered byte, an ...

Posted on Thu, 09 May 2019 18:10:39 -0400 by Swole

Linux operation command sort

Overview of the Linux Shell Operations Command Directory (click for details)   1, introduction The sort command helps us sort text files and stdin; it usually combines other commands to generate the required output     2. Usage/Command Format sort [option] [filename]     3. Analysis of Common Parameters parameter describe -n Sorting is ba ...

Posted on Wed, 20 Mar 2019 11:03:53 -0400 by Nandini

System Reload Disk Cleaning of ProxmoxVE

  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. The last time a physical machine installed PVE, because the original plan was not well planned, there was a problem in configuring the us ...

Posted on Mon, 28 Jan 2019 23:27:14 -0500 by stew