Installing the Ceph Software

Install the Ceph software on all nodes and install the ceph-deploy tool on ceph1 to facilitate cluster deployment.

1. Set the Yum certificate verification status on all nodes to be verification-free.
   1. Open the yum.conf file.

      1	vi /etc/yum.conf

   2. Press i to enter the insert mode and add the following content to the end of the file:

      1 2	sslverify=false deltarpm=0

   3. Press Esc to exit the insert mode. Type :wq! and press Enter to save and exit the file.
2. Install gperftools on all nodes.
   

   In the Yum repository of an openEuler LTS SP release, gperftools-libs 2.8.1 uses the source code of gperftools-libs 2.8.0, which has bugs. Therefore, the RPM package of gperftools-libs 2.8.1 cannot be used.

   You are advised to download the RPM packages of gperftools-devel-2.7.7 and gperftools-libs-2.7.7 from the Yum repository of an openEuler LTS release and configure it as the local repository.

   1. Download the RPM packages of gperftools-devel-2.7.7 and gperftools-libs-2.7.7.

      1 2 3 4

      mkdir -p /home/gperftools-2.7-7 && cd /home/gperftools-2.7-7 wget --no-check-certificate https://repo.openeuler.org/openEuler-20.03-LTS/OS/aarch64/Packages/gperftools-devel-2.7-7.oe1.aarch64.rpm wget --no-check-certificate https://repo.openeuler.org/openEuler-20.03-LTS/OS/aarch64/Packages/gperftools-libs-2.7-7.oe1.aarch64.rpm createrepo .

   2. Open the /etc/yum.repos.d/openEuler.repo file.

      vi /etc/yum.repos.d/openEuler.repo

   3. Press i to enter the insert mode and add the following content to the end of the file:

      1 2 3 4 5 6

      [gperftools-2.7-7] name=gperftools-2.7-7 baseurl=file:///home/gperftools-2.7-7 enabled=1 gpgcheck=0 priority=1

   4. Press Esc to exit the insert mode. Type :wq! and press Enter to save and exit the file.
3. Install Ceph on all nodes.

   1 2	dnf -y install librados2-14.2.8 ceph-14.2.8 pip install prettytable werkzeug

   

   If the installation fails, configure pip to download from Huawei Mirrors based on 3, so as to accelerate the download.

4. Install ceph-deploy on ceph1.

   1	pip install ceph-deploy

5. Adapt ceph-deploy to openEuler.
   1. Open the __init__.py file of ceph_deploy on ceph1.
      • On openEuler 20.03:

        1	vi /lib/python2.7/site-packages/ceph_deploy/hosts/__init__.py

      • On openEuler 22.03:

        1	vi /lib/python3.9/site-packages/ceph_deploy/hosts/__init__.py

      

      The default Python version is 2.7 on openEuler 20.03 and 3.9 on openEuler 22.03.

   2. Press i to enter the insert mode and add the following code to the _get_distro function:

      'openeuler':fedora,

   3. Press Esc to exit the insert mode. Type :wq! and press Enter to save and exit the file.
6. View the Ceph version on each node.

   1

   ceph -v

   The command output is as follows:

   1	ceph version 14.2.8 (2d095e947a02261ce61424021bb43bd3022d35cb) nautilus (stable)