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Operating Systems Solaris Global and non-global zone resource sharing - tricky Post 302962771 by javanoob on Friday 18th of December 2015 06:50:01 AM
Old 12-18-2015
Hi Peasant, Made in Germany,

Thank for the feedback.

-> Peasant
I am not sure if i am able to use FSS due to oracle database licensing which required me to cap the cpu utilization the a maximum of the amount of core which is/are licensed.

But however, i am curious about what you mentioned about FSS, do you mean if there are no contention, a zone which is assign e.g. 3 shared might be able to get more then >3 ?

-> MadeInGermany,

Somehow i felt that allocating dedicated cpu to non-globalzone did take away the cpu resource from the global, base on some simple finding which i observed

a) i cannot create a zone that utilized all the cpu resources available. (e.g. there are a total of 4 cpu, if i set dedicated = 4ncpus) the zone will fail to boot.
(if globalzone has access to all the cpus irregardless if any dedicated cpus are assigned to non-globalzone, then why can't we assign all the cpus to a non-globalzone then)


b) when assigning dedicated cpu to a non global-zone and issuing pooladm afterwards, the default pset cpu amount got lesser.
which i believe anyzone (including globalzone) which are not explicitly assign to anypool will be assigned to the default pool -> default pset .

please let me know your views. (i been googling, reading tons of docs but to no avail).

Regards,
Noob
 

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brands(5)						Standards, Environments, and Macros						 brands(5)

NAME
brands - alternate operating environments for non-global zones DESCRIPTION
The branded zone (BrandZ) framework extends the Solaris Zones infrastructure described in zones(5) to include the creation of brands, which provide non-global zones that contain non-native operating environments. The term "brand" can refer to a wide range of operating environments. All brand management is performed as extensions to the current zones structure. Every zone is configured with an associated brand. The brand type is used to determine which scripts are executed when a zone is installed and booted. In addition, a zone's brand is used to properly identify the correct application type at application launch time. The default is the native brand. A branded zone will support exactly one brand of non-native binary, which means that a branded zone provides a single operating environ- ment. Once a zone has been assigned a brand, that brand cannot be changed or removed. BrandZ extends the zones tools in the following ways: o A brand is an attribute of a zone, set at zone create time. o The zonecfg tool (see zonecfg(1M)) is used to set a zone's brand type and configure the zone. o The zoneadm tool (see zoneadm(1M)) is used to report a zone's brand type and administer the zone. Device Support The devices supported by each zone are documented in the man pages and other documentation for that brand. The zones infrastructure detects any attempt to add an unsupported device and issues a warning to the administrator. If the administrator chooses to add an unsupported device despite that warning, that device might or might not work as expected. The configuration will be untested and unsupported. ATTRIBUTES
See attributes(5) for a description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWzoneu | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
mdb(1), zlogin(1), zonename(1), dtrace(1M), in.rlogind(1M), sshd(1M), zoneadm(1M), zonecfg(1M), kill(2), priocntl(2), getzoneid(3C), ucred_get(3C), getzoneid(3C), proc(4), attributes(5), lx(5), native(5), privileges(5), zones(5), lx_systrace(7D), crgetzoneid(9F) SunOS 5.11 13 Feb 2009 brands(5)
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