The following pull request was submitted through Github. It can be accessed and reviewed at: https://github.com/lxc/lxd/pull/3746
This e-mail was sent by the LXC bot, direct replies will not reach the author unless they happen to be subscribed to this list. === Description (from pull-request) === This affects the storage entities that are used to form OSD storage pools not the RBD storage volumes themselves. Signed-off-by: Christian Brauner <[email protected]>
From 921a879281e5df197803a624e5c0e9804bd2014c Mon Sep 17 00:00:00 2001 From: Christian Brauner <[email protected]> Date: Thu, 31 Aug 2017 12:36:44 +0200 Subject: [PATCH] ceph: add not about filesystems for Ceph cluster This affects the storage entities that are used to form OSD storage pools not the RBD storage volumes themselves. Signed-off-by: Christian Brauner <[email protected]> --- doc/storage.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/storage.md b/doc/storage.md index a33ec2a3c..093cfe4bf 100644 --- a/doc/storage.md +++ b/doc/storage.md @@ -172,6 +172,11 @@ lxc storage create pool2 dir source=/data/lxd `lxd import`. In line with this, LXD requires the "ceph.osd.force_reuse" property to be set to true. If not set, LXD will refuse to reuse an osd storage pool it detected as being in use by another LXD instance. +* When setting up a ceph cluster that LXD is going to use we recommend using + `xfs` as the underlying filesystem for the storage entities that are used to + hold OSD storage pools. Using `ext4` as the underlying filesystem for the + storage entities is not recommended by Ceph upstream. You may see unexpected + and erratic failures which are unrelated to LXD itself. #### The following commands can be used to create ZFS storage pools
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