pct: add note about storage:size syntax

[pve-docs.git] / pct.adoc

diff --git a/pct.adoc b/pct.adoc
index 171a4a57847f75b926b8cb2907c233f7b27286dd..6735406b86be901dded26a0bb063344b83cbaa44 100644 (file)
--- a/pct.adoc
+++ b/pct.adoc
@@ -320,6 +320,26 @@ ACLs allow you to set more detailed file ownership than the traditional user/
 group/others model.
 
 
+Backup of Containers mount points
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+By default additional mount points besides the RootDisk mount point are not
+included in backups. You can reverse this default behavior by setting the 
+* Backup* option on a mount point.
+// see PVE::VZDump::LXC::prepare()
+
+Replication of Containers mount points
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+By default additional mount points are replicated when the RootDisk 
+is replicated. If you want the {pve} storage replication mechanism to skip a
+ mount point when starting  a replication job, you can set the 
+*Skip replication* option on that mount point. +
+As of {pve} 5.0, replication requires a storage of type `zfspool`, so adding a
+ mount point to a different type of storage when the container has replication
+ configured requires to *Skip replication* for that mount point.
+
+
 [[pct_settings]]
 Container Settings
 ------------------
@@ -467,6 +487,13 @@ in three different flavors:
 - Directories: passing `size=0` triggers a special case where instead of a raw
   image a directory is created.
 
+NOTE: The special option syntax `STORAGE_ID:SIZE_IN_GB` for storage backed
+mount point volumes will automatically allocate a volume of the specified size
+on the specified storage. E.g., calling
+`pct set 100 -mp0 thin1:10,mp=/path/in/container` will allocate a 10GB volume
+on the storage `thin1` and replace the volume ID place holder `10` with the
+allocated volume ID.
+
 
 Bind Mount Points
 ^^^^^^^^^^^^^^^^^
@@ -692,6 +719,26 @@ NOTE: If you have changed the container's configuration since the last start
 attempt with `pct start`, you need to run `pct start` at least once to also
 update the configuration used by `lxc-start`.
 
+[[pct_migration]]
+Migration
+---------
+
+If you have a cluster, you can migrate your Containers with
+
+ pct migrate <vmid> <target>
+
+This works as long as your Container is offline. If it has local volumes or
+mountpoints defined, the migration will copy the content over the network to
+the target host if there is the same storage defined.
+
+If you want to migrate online Containers, the only way is to use
+restart migration. This can be initiated with the -restart flag and the optional
+-timeout parameter.
+
+A restart migration will shut down the Container and kill it after the specified
+timeout (the default is 180 seconds). Then it will migrate the Container
+like an offline migration and when finished, it starts the Container on the
+target node.
 
 [[pct_configuration]]
 Configuration