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diff --git a/src/ceph/doc/start/os-recommendations.rst b/src/ceph/doc/start/os-recommendations.rst deleted file mode 100644 index 3aea814..0000000 --- a/src/ceph/doc/start/os-recommendations.rst +++ /dev/null @@ -1,154 +0,0 @@ -==================== - OS Recommendations -==================== - -Ceph Dependencies -================= - -As a general rule, we recommend deploying Ceph on newer releases of Linux. -We also recommend deploying on releases with long-term support. - -Linux Kernel ------------- - -- **Ceph Kernel Client** - - If you are using the kernel client to map RBD block devices or mount - CephFS, the general advice is to use a "stable" or "longterm - maintenance" kernel series provided by either http://kernel.org or - your Linux distribution on any client hosts. - - For RBD, if you choose to *track* long-term kernels, we currently recommend - 4.x-based "longterm maintenance" kernel series: - - - 4.9.z - - 4.4.z - - For CephFS, see `CephFS best practices`_ for kernel version guidance. - - Older kernel client versions may not support your `CRUSH tunables`_ profile - or other newer features of the Ceph cluster, requiring the storage cluster - to be configured with those features disabled. - - -Platforms -========= - -The charts below show how Ceph's requirements map onto various Linux -platforms. Generally speaking, there is very little dependence on -specific distributions aside from the kernel and system initialization -package (i.e., sysvinit, upstart, systemd). - -Luminous (12.2.z) ------------------ - -+----------+----------+--------------------+--------------+---------+------------+ -| Distro | Release | Code Name | Kernel | Notes | Testing | -+==========+==========+====================+==============+=========+============+ -| CentOS | 7 | N/A | linux-3.10.0 | 3 | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ -| Debian | 8.0 | Jessie | linux-3.16.0 | 1, 2 | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| Debian | 9.0 | Stretch | linux-4.9 | 1, 2 | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| Fedora | 22 | N/A | linux-3.14.0 | | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| RHEL | 7 | Maipo | linux-3.10.0 | | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 14.04 | Trusty Tahr | linux-3.13.0 | | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 16.04 | Xenial Xerus | linux-4.4.0 | 3 | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ - - -Jewel (10.2.z) --------------- - -+----------+----------+--------------------+--------------+---------+------------+ -| Distro | Release | Code Name | Kernel | Notes | Testing | -+==========+==========+====================+==============+=========+============+ -| CentOS | 7 | N/A | linux-3.10.0 | 3 | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ -| Debian | 8.0 | Jessie | linux-3.16.0 | 1, 2 | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| Fedora | 22 | N/A | linux-3.14.0 | | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| RHEL | 7 | Maipo | linux-3.10.0 | | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 14.04 | Trusty Tahr | linux-3.13.0 | | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ - -Hammer (0.94.z) ---------------- - -+----------+----------+--------------------+--------------+---------+------------+ -| Distro | Release | Code Name | Kernel | Notes | Testing | -+==========+==========+====================+==============+=========+============+ -| CentOS | 6 | N/A | linux-2.6.32 | 1, 2 | | -+----------+----------+--------------------+--------------+---------+------------+ -| CentOS | 7 | N/A | linux-3.10.0 | | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ -| Debian | 7.0 | Wheezy | linux-3.2.0 | 1, 2 | | -+----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 12.04 | Precise Pangolin | linux-3.2.0 | 1, 2 | | -+----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 14.04 | Trusty Tahr | linux-3.13.0 | | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ - -Firefly (0.80.z) ----------------- - -+----------+----------+--------------------+--------------+---------+------------+ -| Distro | Release | Code Name | Kernel | Notes | Testing | -+==========+==========+====================+==============+=========+============+ -| CentOS | 6 | N/A | linux-2.6.32 | 1, 2 | B, I | -+----------+----------+--------------------+--------------+---------+------------+ -| CentOS | 7 | N/A | linux-3.10.0 | | B | -+----------+----------+--------------------+--------------+---------+------------+ -| Debian | 7.0 | Wheezy | linux-3.2.0 | 1, 2 | B | -+----------+----------+--------------------+--------------+---------+------------+ -| Fedora | 19 | Schrödinger's Cat | linux-3.10.0 | | B | -+----------+----------+--------------------+--------------+---------+------------+ -| Fedora | 20 | Heisenbug | linux-3.14.0 | | B | -+----------+----------+--------------------+--------------+---------+------------+ -| RHEL | 6 | Santiago | linux-2.6.32 | 1, 2 | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ -| RHEL | 7 | Maipo | linux-3.10.0 | | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 12.04 | Precise Pangolin | linux-3.2.0 | 1, 2 | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 14.04 | Trusty Tahr | linux-3.13.0 | | B, I, C | -+----------+----------+--------------------+--------------+---------+------------+ - -Notes ------ - -- **1**: The default kernel has an older version of ``btrfs`` that we do not - recommend for ``ceph-osd`` storage nodes. We recommend using ``XFS``. - -- **2**: The default kernel has an old Ceph client that we do not recommend - for kernel client (kernel RBD or the Ceph file system). Upgrade to a - recommended kernel. - -- **3**: The default kernel regularly fails in QA when the ``btrfs`` - file system is used. We do not recommend using ``btrfs`` for - backing Ceph OSDs. - - -Testing -------- - -- **B**: We build release packages for this platform. For some of these - platforms, we may also continuously build all ceph branches and exercise - basic unit tests. - -- **I**: We do basic installation and functionality tests of releases on this - platform. - -- **C**: We run a comprehensive functional, regression, and stress test suite - on this platform on a continuous basis. This includes development branches, - pre-release, and released code. - -.. _CRUSH Tunables: ../../rados/operations/crush-map#tunables - -.. _CephFS best practices: ../../cephfs/best-practices |