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[pve-docs.git] / pct.adoc

diff --git a/pct.adoc b/pct.adoc
index 11170826bc4975b9d1baa1ba7914f6e46dff111e..07f99a4d5d2e4d49669b65e10e281b228e7abe3a 100644 (file)
--- a/pct.adoc
+++ b/pct.adoc
@@ -101,11 +101,13 @@ unprivileged containers are safe by design.
 Configuration
 -------------
 
-The '/etc/pve/lxc/<CTID>.conf' files stores container configuration,
-where '<CTID>' is the numeric ID of the given container. Note that
-CTIDs < 100 are reserved for internal purposes, and CTIDs need to be
-unique cluster wide. Files are stored inside '/etc/pve/', so they get
-automatically replicated to all other cluster nodes.
+The '/etc/pve/lxc/<CTID>.conf' file stores container configuration,
+where '<CTID>' is the numeric ID of the given container. Like all
+other files stored inside '/etc/pve/', they get automatically
+replicated to all other cluster nodes.
+
+NOTE: CTIDs < 100 are reserved for internal purposes, and CTIDs need to be
+unique cluster wide.
 
 .Example Container Configuration
 ----
@@ -397,6 +399,13 @@ user mapping, and cannot use ACLs from inside an unprivileged container.
 Similarly device mounts are not managed by the storage, but for these the
 `quota` and `acl` options will be honored.
 
+WARNING: Because of existing issues in the Linux kernel's freezer
+subsystem the usage of FUSE mounts inside a container is strongly
+advised against, as containers need to be frozen for suspend or
+snapshot mode backups. If FUSE mounts cannot be replaced by other
+mounting mechanisms or storage technologies, it is possible to
+establish the FUSE mount on the Proxmox host and use a bind
+mountpoint to make it accessible inside the container.
 
 Using quotas inside containers
 ------------------------------
@@ -415,10 +424,11 @@ initialize the `/aquota.user` and `/aquota.group` files by running
  quotacheck -cmug /
  quotaon /
 
-And edit the quotas via the `edquota` command. (Note that you need to do this
-for every mountpoint by passing the mountpoint's path instead of just `/`.) Best
-see the documentation specific to the distributiont running inside the
-container.
+and edit the quotas via the `edquota` command. Refer to the documentation
+of the distribution running inside the container for details.
+
+NOTE: You need to run the above commands for every mountpoint by passing
+the mountpoint's path instead of just `/`.
 
 Using ACLs inside containers
 ----------------------------
@@ -465,7 +475,7 @@ Technology Overview
 
 - CRIU: for live migration (planned)
 
-- We use latest available kernels (4.2.X)
+- We use latest available kernels (4.4.X)
 
 - Image based deployment (templates)