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Enabling SPDK

Compile the SPDK module in the compilation container to replace the default SPDK module in Ceph, thereby improving OSD performance.

  1. Access the compilation container.
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    podman exec -it openeuler2203sp4_build /bin/bash
  2. In the /home directory, download ceph-17.2.7 source code.
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    cd /home
wget https://download.ceph.com/tarballs/ceph-17.2.7.tar.gz --no-check-certificate
  3. In the /home directory, download the SPDK code from the openEuler community and compile the code.
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    cd /home/
git clone -b openEuler-22.03-LTS-SP4 https://gitee.com/src-openeuler/spdk.git
cd spdk/
rpmbuild -bp -D "_sourcedir `pwd`" -D "_builddir `pwd`" spdk.spec
  4. In the /home directory, download the DPDK code from the openEuler community and compile the code.
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    cd /home/
git clone -b openEuler-22.03-LTS-SP4 https://gitee.com/src-openeuler/dpdk.git
cd dpdk/
rpmbuild -bp -D "_sourcedir `pwd`" -D "_builddir `pwd`" dpdk.spec
  5. Replace the DPDK module in the SPDK code with that compiled in previous step.
    cd /home
rm -rf spdk/spdk-21.01.1/dpdk/
cp -r dpdk/dpdk-21.11 spdk/spdk-21.01.1/dpdk
  6. In the /home directory, download the isa-l code from the openEuler community, compile the code, and use the generated isa-l module to replace the native one in the SPDK code.
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    cd /home
git clone -b openEuler-22.03-LTS-SP4 https://gitee.com/src-openeuler/isa-l.git
cd isa-l
tar -zxvf v2.30.0.tar.gz

cd /home
rm -rf spdk/spdk-21.01.1/isa-l/
cp -r isa-l/isa-l-2.30.0/ spdk/spdk-21.01.1/isa-l
  7. In the /home directory, download the selinux-policy code. The packaging result can be temporarily stored in /root/rpmbuild/RPMS/noarch.
    • You need to manually compile selinux-policy only when openEuler-22.03-LTS-SP3 and Ceph 17.2.8 are used.
    • Ceph 17.2.8 requires selinux-policy 35.5-22 or later. The openEuler community does not release the RPM package of this version in openEuler-22.03-LTS-SP3. Therefore, a manual compilation is required.
    • If you use openEuler-22.03-LTS-SP4, skip this step.
    • If you use Ceph 17.2.7 or earlier, skip this step.
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    cd /home
git clone https://gitee.com/src-openeuler/selinux-policy.git
git checkout -b 2203sp3 origin/openEuler-22.03-LTS-SP3
cp -r selinux-policy/* /root/rpmbuild/SOURCES/
cp selinux-policy/selinux-policy.spec /root/rpmbuild/SPECS/
rpmbuild -bb /root/rpmbuild/SPECS/selinux-policy.spec
  8. Decompress Ceph source code in the /home directory and move the openEuler SPDK code to the ceph-17.2.7/src directory.
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    cd /home
tar -zxvf ceph-17.2.7.tar.gz
rm -rf ceph-17.2.7/src/spdk
cp -r spdk/spdk-21.01.1 ceph-17.2.7/src/spdk
  9. Place the ceph-17.2.7-spdk.patch file in the ceph-17.2.7 directory and apply the SPDK patch.
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    cd ceph-17.2.7
patch -p1 < ceph-17.2.7-spdk.patch
    You can run the podman cp command to copy files from a physical machine to the container.
    podman cp ./ceph-17.2.7-spdk.patch openeuler2203sp4_build:/home/ceph-17.2.7
  10. After the preceding steps are complete, compile Ceph. For details, see Compiling Ceph.
Parent topic: Compiling Ceph