07-31-2017
It is 10 years ago - when I heard the comparision: WPAR is similiar to Solaris Containers. Sounds like - if that was ever true the correct comparision today would be:
* vWPAR: legacy zone
* WPAR native zone
And yes, they are very efficient ways to use resources - and this efficiency is why we may want them.
FYI (native) WPAR come in two forms: System (which is what we have, basically, been discussing) and Application (where the application thinks it has a whole system, but actually it is only the application (e.g,, sendmail, httpd) that "is the WPAR". Instant creation and cleanup, more or less.
Thanks for the clarification on Solaris zones!
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LEARN ABOUT OPENSOLARIS
net_zoneidtonetid
net_zoneidtonetid(9F) Kernel Functions for Drivers net_zoneidtonetid(9F)
NAME
net_zoneidtonetid - map a zoneid_t struture identifier to a netid_t structure
SYNOPSIS
#include <sys/neti.h>
netid_t net_zoneidtonetid(const zoneid_t zone);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
PARAMETERS
zone valid zoneid_t structure that refers to a running zone.
DESCRIPTION
The net_zoneidtonetid() function maps the given zoneid_t structure (used to represent a zone that is currently running) into a netid_t
structure that is associated with the IP instance supporting network functions for that zone.
RETURN VALUES
The net_zoneidtonetid() function returns -1 if no mapping took place. Otherwise, it returns the netid_t structure currently used by the
zoneid_t structure. For zones that are using a shared IP instance, the netid_t structure for the instance owned by the global zone is
returned.
CONTEXT
The net_zoneidtonetid() function may be called from user, kernel, or interrupt context.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Interface Stability |Committed |
+-----------------------------+-----------------------------+
SEE ALSO
net_netidtozonid(9F), attributes(5)
SunOS 5.11 1 May 2008 net_zoneidtonetid(9F)