Compute Storage
Tag: ceph
Openstack Procedure to Turn on/off cluster
SOP to turn off cluster: kolla-ansible mariadb_backup -i ./multinode turn off all instances from openstack Turn status HA segment hosts to On Maintenance =True Disable HA segment from Openstack Horizon kolla-ansible stop -i ./multinode Move to Ceph Cluster ceph osd set noout turn off all ceph nodes Turn Off all Openstack Related Nodes > from […]
Ceph Replacing OSD
Steps WAIT UNTIL PG =0 < Around 1hour?> systemctl stop (ceph-cluster)@<OSD ID RELATED> example: systemctl stop ceph-9124ada3513@osd.1 Don’t forget to cleanup the disk from ceph Adding the Disk NOTE: If you encounter the following: Osd(…) exists, already created? You need to redo step 1-9, and then restart the docker of the ceph-host related NOTE: You […]
Ceph Integration with ISCSI
Prepare the image VMWARE_DISK1 apt install ceph-iscsi [root@ceph1 ~]# ceph osd pool create myrbd[root@ceph1 ~]# ceph osd pool application enable myrbd rbd [root@ceph1 ~]# rbd –pool myrbd create VMWARE_DISK1 –size=100G Deploy the iSCSI gateways [root@ceph1 ~]# ceph orch apply iscsi myrbd admin admin01 –placement ceph2,ceph3 –trusted_ip_list 10.9.0.24,10.9.0.25 [root@ceph1 ~]# ceph orch lsNAME RUNNING REFRESHED AGE PLACEMENT alertmanager […]
Storware backup openstack
Install Centos Stream 8: Minimal Server + Standard Update: # dnf check-update # dnf update Staging Space Configuration Check available disk device: [root@storwer ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 32G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi ├─sda2 8:2 0 1.5G 0 part /boot ├─sda3 8:3 0 […]
Cephadm for ubuntu cluster
Installing main host First we need curl in order to fetch the cephadm application Then we download the application and make it executable. CephAdm could be used to set which version we want to install. In this case we choose Pacific as this is the first version that has full support for cephadm install. We […]
Create Openstack Lab. Part 2 – Ceph Deployment
Login to maas node as user ‘openstack’ Install and update python package manager Add additional PATH to local python binary Add following line at the end of ~/.bashrc file Apply new additional PATH Install python virtual environment support Create virtual environment for ceph-ansible Activate ceph-ansible virtual environment Update and install required package Make project directory […]