diff options
| -rw-r--r-- | doc/install/os-recommendations.rst | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/doc/install/os-recommendations.rst b/doc/install/os-recommendations.rst index 5fe647e01c0..2f101dc4271 100644 --- a/doc/install/os-recommendations.rst +++ b/doc/install/os-recommendations.rst @@ -24,7 +24,8 @@ glibc - **syncfs(2)**: For non-btrfs filesystems such as XFS and ext4 where more than one ``ceph-osd`` daemon is used on a single server, Ceph performs signficantly better with the ``syncfs(2)`` system call - (added in kernel 2.6.39 and glibc 2.14). + (added in kernel 2.6.39 and glibc 2.14). New versions of Ceph (v0.55 and + later) do not depend on glibc support. Platforms @@ -49,9 +50,9 @@ Argonaut (0.48) +----------+----------+--------------------+--------------+---------+------------+ | Ubuntu | 12.10 | Quantal Quetzal | linux-3.5.4 | 2 | B | +----------+----------+--------------------+--------------+---------+------------+ -| Debian | 6.0 | Squeeze | linux-2.6.32 | 1, 2 | B | +| Debian | 6.0 | Squeeze | linux-2.6.32 | 1, 2, 3 | B | +----------+----------+--------------------+--------------+---------+------------+ -| Debian | 7.0 | Wheezy | linux-3.2.0 | 1, 2 | B | +| Debian | 7.0 | Wheezy | linux-3.2.0 | 1, 2, 3 | B | +----------+----------+--------------------+--------------+---------+------------+ Bobtail (0.56) @@ -62,17 +63,17 @@ Bobtail (0.56) +==========+==========+====================+==============+=========+============+ | Ubuntu | 11.04 | Natty Narwhal | linux-2.6.38 | 1, 2, 3 | B | +----------+----------+--------------------+--------------+---------+------------+ -| Ubuntu | 11.10 | Oneric Ocelot | linux-3.0.0 | 1, 2, 3 | B | +| Ubuntu | 11.10 | Oneric Ocelot | linux-3.0.0 | 1, 2 | B | +----------+----------+--------------------+--------------+---------+------------+ | Ubuntu | 12.04 | Precise Pangolin | linux-3.2.0 | 1, 2 | B, I, C | +----------+----------+--------------------+--------------+---------+------------+ | Ubuntu | 12.10 | Quantal Quetzal | linux-3.5.4 | 2 | B | +----------+----------+--------------------+--------------+---------+------------+ -| Debian | 6.0 | Squeeze | linux-2.6.32 | 1, 2 | B | +| Debian | 6.0 | Squeeze | linux-2.6.32 | 1, 2, 3 | B | +----------+----------+--------------------+--------------+---------+------------+ | Debian | 7.0 | Wheezy | linux-3.2.0 | 1, 2 | B | +----------+----------+--------------------+--------------+---------+------------+ -| CentOS | 6.3 | N/A | linux-2.6.32 | 1, 2, 3 | B, I | +| CentOS | 6.3 | N/A | linux-2.6.32 | 1, 2 | B, I | +----------+----------+--------------------+--------------+---------+------------+ | Fedora | 17.0 | Beefy Miracle | linux-3.3.4 | 1, 2 | B | +----------+----------+--------------------+--------------+---------+------------+ @@ -93,10 +94,10 @@ Notes for kernel client (kernel RBD or the Ceph file system). Upgrade to a recommended kernel. -- **3**: The installed version of ``glibc`` does not support the - ``syncfs(2)`` system call. Putting multiple ``ceph-osd`` daemons - using ``XFS`` or ``ext4`` on the same host will not perform as well as - they could. +- **3**: The default kernel or installed version of ``glibc`` does not + support the ``syncfs(2)`` system call. Putting multiple + ``ceph-osd`` daemons using ``XFS`` or ``ext4`` on the same host will + not perform as well as they could. Testing ------- |