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
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.
Posted on Tue, 08 Oct 2019 09:46:02 -0400 by bobcooper
(1) Looking at the cluster status, two osd states are down
[root@node140 /]# ceph -s
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
Change OSD operation steps
1. Fault Disk Location
2. Remove faulty disks
3. Rebuild raid0
4. Rebuild osd
Control data recovery and backfill speed
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
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
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
Overview of the Linux Shell Operations Command Directory (click for details)
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
Sorting is ba ...
Posted on Wed, 20 Mar 2019 11:03:53 -0400 by Nandini
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