mirror of
https://github.com/clearlinux/clear-linux-documentation.git
synced 2026-09-05 21:31:30 +00:00
delete deprecated file bundles_in_clr and clean whitespace on
ceph deploy
This commit is contained in:
Leona
File diff suppressed because it is too large
Load Diff
+75
-53
@@ -1,25 +1,34 @@
|
||||
.. _ceph-deploy:
|
||||
|
||||
Ceph*
|
||||
#####
|
||||
|
||||
Ceph is a distributed storage system designed to scale well. It can be integrated with
|
||||
OpenStack* as the storage backend for the OS images and volumes.
|
||||
Ceph is a distributed storage system designed to scale well. It can be
|
||||
integrated with OpenStack* as the storage backend for the OS images and
|
||||
volumes.
|
||||
|
||||
Deploying a Ceph storage cluster is simple using Clear Linux* OS for
|
||||
Intel® Architecture and Ansible*.
|
||||
|
||||
Deploying a Ceph storage cluster is simple using Clear Linux* OS for Intel® Architecture
|
||||
and Ansible*.
|
||||
|
||||
Environment
|
||||
===========
|
||||
For this example, we'll use a total of five nodes: a **deployment node** which we will use
|
||||
|
||||
For this example, we'll use a total of five nodes: a **deployment node**,
|
||||
to run the playbooks, a **monitor node**, and three **storage nodes**.
|
||||
|
||||
Install each component on its own server for best results; however, for testing
|
||||
purposes you can install the monitor and storage nodes on the same hosts.
|
||||
Install each component on its own server for best results; however,
|
||||
for testing purposes you can install the monitor and storage nodes
|
||||
on the same host.
|
||||
|
||||
|
||||
Prerequisites
|
||||
=============
|
||||
Ansible uses ssh to run commands on the remote servers. In order to do that, the servers
|
||||
must be configured to allow passwordless ssh connections from the root user. Follow these
|
||||
steps to configure your nodes.
|
||||
|
||||
Ansible uses ssh to run commands on the remote servers. In order to
|
||||
do that, the servers must be configured to allow passwordless ssh
|
||||
connections from the root user. Follow these steps to configure
|
||||
your nodes.
|
||||
|
||||
#. Generate ssh keys::
|
||||
|
||||
@@ -38,25 +47,29 @@ steps to configure your nodes.
|
||||
|
||||
# ssh-copy-id root@node
|
||||
|
||||
|
||||
Install the software
|
||||
====================
|
||||
|
||||
Install the ``sysadmin-hostmgmt`` bundle on the development node. This bundle contains
|
||||
the Ansible software required to run the playbooks, as well as some Ansible roles and
|
||||
sample playbooks that you can use to build your own::
|
||||
Install the ``sysadmin-hostmgmt`` bundle on the development node. This
|
||||
bundle contains the Ansible software required to run the playbooks, as
|
||||
well as some Ansible roles and sample playbooks that you can use to
|
||||
build your own::
|
||||
|
||||
# swupd bundle-add sysadmin-hostmgmt
|
||||
|
||||
|
||||
Create the playbook
|
||||
===================
|
||||
|
||||
The ``sysadmin-hostmgmt`` bundle includes some sample playbooks that you may use and
|
||||
customize for your own needs. Start by making a copy of the sample playbook into your
|
||||
home folder.::
|
||||
The ``sysadmin-hostmgmt`` bundle includes some sample playbooks that
|
||||
can be customized for your own needs. Start by making a copy of the
|
||||
sample playbook into your home folder.::
|
||||
|
||||
# cp /usr/share/ansible/examples/ceph ~/
|
||||
|
||||
The playbook consist of four files that you should modify to fit your needs::
|
||||
The playbook consist of four files that you should modify to fit
|
||||
your needs::
|
||||
|
||||
ceph
|
||||
|-- group_vars/
|
||||
@@ -65,8 +78,8 @@ The playbook consist of four files that you should modify to fit your needs::
|
||||
|-- hosts
|
||||
+-- ceph_deploy.yml
|
||||
|
||||
The hosts file contains the IP addresses of your servers grouped under the roles
|
||||
they will serve::
|
||||
The hosts file contains the IP addresses of your servers grouped
|
||||
under the roles they will serve::
|
||||
|
||||
[mons]
|
||||
172.28.128.7
|
||||
@@ -76,9 +89,10 @@ they will serve::
|
||||
172.28.128.9
|
||||
172.28.128.10
|
||||
|
||||
This :file:`groups_var/all` file contains variables that will applied to all your nodes.
|
||||
The mandatory variables are already there; be sure to change the values accordingly to
|
||||
fit your environment. It should look something like this::
|
||||
This :file:`groups_var/all` file contains variables that will applied
|
||||
to all your nodes. The mandatory variables are already there; be sure
|
||||
to change the values accordingly to fit your environment. It should
|
||||
look something like this::
|
||||
|
||||
---
|
||||
journal_size: 1024
|
||||
@@ -89,51 +103,59 @@ fit your environment. It should look something like this::
|
||||
A full list of available variables can be found under
|
||||
:file:`/usr/share/ansible/roles/<role>/defaults/main.yml`
|
||||
|
||||
This :file:`groups_var/osd` file contains variables that apply only to the hosts under the
|
||||
``[mons]`` section in your hosts file. You can choose one of the three available scenarios
|
||||
for this playbook.
|
||||
This :file:`groups_var/osd` file contains variables that apply only
|
||||
to the hosts under the ``[mons]`` section in your hosts file. You can
|
||||
choose one of the three available scenarios for this playbook.
|
||||
|
||||
#. **Journal and osd_data on the same device**: This will co-locate both journal and data
|
||||
on the same disk, creating a partition at the beginning of the device::
|
||||
#. **Journal and osd_data on the same device**: This will co-locate both
|
||||
journal and data on the same disk, creating a partition at the
|
||||
beginning of the device::
|
||||
|
||||
journal_collocation: true
|
||||
devices:
|
||||
- /dev/sdb
|
||||
- /dev/sdc
|
||||
- /dev/sdd
|
||||
journal_collocation: true
|
||||
devices:
|
||||
- /dev/sdb
|
||||
- /dev/sdc
|
||||
- /dev/sdd
|
||||
|
||||
#. **N journal devices for N OSDs**: In this example, the ``sdb`` partition will be used
|
||||
for journaling of ``sdc`` and ``sdd sdf`` will be used for journaling of ``sde``::
|
||||
#. **N journal devices for N OSDs**: In this example, the ``sdb``
|
||||
partition will be used for journaling of ``sdc``. The ``sdd sdf``
|
||||
will be used for journaling of ``sde``::
|
||||
|
||||
raw_multi_journal: true
|
||||
devices:
|
||||
- /dev/sdc
|
||||
- /dev/sdd
|
||||
- /dev/sde
|
||||
raw_journal_devices:
|
||||
- /dev/sdb
|
||||
- /dev/sdb
|
||||
- /dev/sdf
|
||||
raw_multi_journal: true
|
||||
devices:
|
||||
- /dev/sdc
|
||||
- /dev/sdd
|
||||
- /dev/sde
|
||||
raw_journal_devices:
|
||||
- /dev/sdb
|
||||
- /dev/sdb
|
||||
- /dev/sdf
|
||||
|
||||
#. **Specify directory instead of disk for OSDs**::
|
||||
#. **Specify a directory instead of disk for OSDs**::
|
||||
|
||||
osd_directory: true
|
||||
osd_directories:
|
||||
- /var/lib/ceph/osd/mydir1
|
||||
- /var/lib/ceph/osd/mydir2
|
||||
- /var/lib/ceph/osd/mydir3
|
||||
|
||||
osd_directory: true
|
||||
osd_directories:
|
||||
- /var/lib/ceph/osd/mydir1
|
||||
- /var/lib/ceph/osd/mydir2
|
||||
- /var/lib/ceph/osd/mydir3
|
||||
|
||||
Run the playbook
|
||||
================
|
||||
Once you have your variables and hosts file configured, the deployment can be fired
|
||||
with the following command::
|
||||
|
||||
Once the variables and hosts file is configured,
|
||||
deployment is as simple as issuing the command::
|
||||
|
||||
# ansible-playbook -i hosts ceph_deploy.yml
|
||||
|
||||
|
||||
Verify
|
||||
======
|
||||
Now that Ansible has finished with the deployment, you can verify the health of the cluster
|
||||
with the Ceph utilites like ``ceph status`` and ``ceph osd tree``::
|
||||
|
||||
After Ansible has finished deployment, you may
|
||||
like to verify and watch the health of the cluster
|
||||
with the Ceph utilites like ``ceph status`` and
|
||||
``ceph osd tree``::
|
||||
|
||||
# ceph status
|
||||
cluster ee1fae3b-b95b-494c-abd7-f0629d113446
|
||||
|
||||
Reference in New Issue
Block a user