Installing Ceph

Install Ceph on all server and client nodes.

1. Set the Yum certificate verification status of all server nodes and client nodes to verification-free.
   1. Open the following 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 the file and exit.
2. (Optional) Configure the local source of gperftools on all server and client nodes.
   1. Download the RPM packages of gperftools-devel-2.7.7 and gperftools-libs-2.7.7.

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      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 the file and exit.
3. Install the RDMA dependency packages on all server and client nodes.

   yum install libibverbs-devel rdma-core-devel numactl-devel -y

4. Install the UCX RPM packages on all server and client nodes. (Place the RPM packages generated in 4.1 on each node.)

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   rpm -ivh ucx-1.14.1-1.aarch64.rpm rpm -ivh ucx-cma-1.14.1-1.aarch64.rpm rpm -ivh ucx-debuginfo-1.14.1-1.aarch64.rpm rpm -ivh ucx-debugsource-1.14.1-1.aarch64.rpm rpm -ivh ucx-devel-1.14.1-1.aarch64.rpm rpm -ivh ucx-ib-1.14.1-1.aarch64.rpm rpm -ivh ucx-rdmacm-1.14.1-1.aarch64.rpm rpm -ivh ucx-static-1.14.1-1.aarch64.rpm

5. Save the Ceph RPM package with UCX enabled (generated in 4.2.2) to /home/ceph-ucx and configure the local source.
   Run the vi /etc/yum.repos.d/local.repo command, add the following content to the end of the file, save the file, and exit:

   [ceph-ucx]
   name=ceph-ucx
   baseurl=file:///home/ceph-ucx
   enabled=1
   gpgcheck=0
   priority=1

6. Install Ceph on all server and client nodes.

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

   If Ceph fails to be installed, configure a network proxy.

   

   During Ceph installation, verify that the version of gperftools is 2.7-7.

   

7. Install ceph-deploy on ceph1.

   1	pip install ceph-deploy

8. Add the adaptation to openEuler.
   1. Open the /lib/python2.7/site-packages/ceph_deploy/hosts/__init__.py file on ceph1.

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

   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 the file and exit.
9. Run the following command on each node to check the Ceph version:

   1

   ceph -v

   If the following information is displayed, the installation is successful.

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