Difference between revisions of "External resources"

From CRIU
Jump to navigation Jump to search
(Created page with "Category:Empty articles")
 
m
 
(16 intermediate revisions by 3 users not shown)
Line 1: Line 1:
[[Category:Empty articles]]
+
A resource is called "external", if it can't be dumped and restored without some help from the caller. Usually this means that a part of its state is out of a dumped container.
 +
 
 +
== Dump ==
 +
 
 +
Typically external resources are just told to be such on dump. The respective option looks like <code>--external ''TYPE''[''ID'']:''VAL''</code> option, where <code>''TYPE''</code> is resource type, <code>''ID''</code> is resource ID and <code>''VAL''</code> is optional argument.
 +
 
 +
== Restore ==
 +
 
 +
Restoring external resources heavily depends on its type. Some resources can be restored by CRIU itself with the help of <code>--external</code> option, some cannot. See below for further details.
 +
 
 +
== Resource types ==
 +
 
 +
The following external resources can be checkpointed and restored:
 +
 
 +
* [[External bind mounts]]
 +
* [[External mount devices]]
 +
* [[External files]]
 +
* [[External UNIX socket]]
 +
* [[VETH device]]
 +
* [[Mac-Vlan]]
 +
* [[External net namespaces]]
 +
 
 +
== See also ==
 +
 
 +
* [[Shell jobs]]
 +
 
 +
[[Category:API]]
 +
[[Category:External]]

Latest revision as of 11:34, 17 March 2020

A resource is called "external", if it can't be dumped and restored without some help from the caller. Usually this means that a part of its state is out of a dumped container.

Dump[edit]

Typically external resources are just told to be such on dump. The respective option looks like --external TYPE[ID]:VAL option, where TYPE is resource type, ID is resource ID and VAL is optional argument.

Restore[edit]

Restoring external resources heavily depends on its type. Some resources can be restored by CRIU itself with the help of --external option, some cannot. See below for further details.

Resource types[edit]

The following external resources can be checkpointed and restored:

See also[edit]