When the zone boots, the system will dynamically create a temporary pool for use while the zone is running. Mar 01, 2014 traditionally, in solaris computing world the word cpu refers to a chip planted on the mother board. How to find number of physicallogical cpus, cores and. Logical partitions lpars, micropartitions, domains, zones, npars, and vpars as well as virtualization. May 23, 2011 as we knows oracle has come with cmt processors chip multithreading cpu with means cpu that have many cores and thread. The numbers in brackets are the numbers of the virtual cpus e. Oracle solaris virtualization best practices rainfocus. Early this year i wrote the article ours goes to 11 which describes the ability to import solaris 10 systems into a solaris 10 branded zone under oracle solaris 11. Determine processor and memory information in solaris.
Now there are many factors to consider cpu sockets, cpu cores per socket, hardware threads per core, etc. For details on the zonecfg command, see the oracle solaris reference manuals. The information provided in this article is mainly for the solaris 10 os. Solaris 10 can open your mind to entirely new solutions in much the same way that a ten megaton bomb can clear a room. Solaris 10 and 11 consider vcpus virtual processors as entities on. I no longer maintain this content, and moved it to a wiki so that others can. This important tool lets you painlessly inhaling a solaris container from solaris 10 or entire solaris 10 systems the. In solaris 10, there was some support for solaris zones running an instance of linux, but it didnt seem to attract an audience. A branded zone used to run a solaris 10 user space. Oracle is running on one of the zone out of 17 nonglobal zones and it is supposed to.
The book covers the topics resource management, oracle solaris zones, and oracle solaris 10 zones solaris10 branded zones. In case you need more detailed output use v with the above command. Using the zonestat utility in a nonglobal zone oracle. Changing the number of cpus in a zone s processor set pooladm solaris 11. Jan 17, 2012 now, the keeneyed reader may have noticed that in figure 2 there are two values per cpu.
An online processor processes lwps lightweight processes and can be interrupted by io devices in the system. Solaris 10 is not only powerful but it is very innovative. For solaris 8 and solaris 9, we have psrinfo command but some options will not work unlike solaris 10 and 11. Starting from solaris10, the term vcpu has been introduced to refer each computing entity, cpu sockets, cpu cores per socket or hardware threads per a cpu core. We own licenses worth 2 cores for each of the two tiers. Minimum requirements for solaris 10 in guest ldoms on m7, s7, and t7. All system operations such as installations, startups and shutdowns are done in the global zone. This sets up the zone so it has between 1 and 4 cpu s for its exclusive use, or you may configure as per your requirement. I think this will only work in solaris 10, but this should give a nice output of how many physical cpus, physical cores, and threads virtual cpus are recognized by solaris.
Resource pools in solaris 10 solaris 11 provides a mechanism to assign processor set and scheduling class to nonglobal zone. Solaris zones1 is an implementation of an operating systemlevel virtualization technology first available in a mainstream operating system in. Solaris 10 local zone wise utilization report using. Sun solaris has the psradm utility which allows enabling or disabling a processor on the system. How many cpus do i have, how many cores, on solaris. Solaris containers including solaris zones is an implementation of operating systemlevel.
When oracle solaris kernel zones are configured on sparc m10, we recommend executing the zonecfg command with the dedicated cpu property to assign a dedicated cpu to the oracle solaris kernel zone in units of core. The former can achieve the goals of the latter, and they also offer features not found in solaris 10 zones. In total, you have 4 chips 8 cores 8 threads, or 256 threads in total. How to create and configure solaris 10 zones the geek diary.
Im setting up an oracle database server in a solaris 11 zone on a sparc t52 server and i need to restrict it to no more than 4 cores in order to comply with our oracle cpu based licences. If you ommit the c, then you login like a normal telnet or ssh session. Jan 25, 2014 from the above output, you can see cpu chip 0 has cores from 0 to 7 cpu id. In a first step, lets look at the global zones cpu resources and create the two production zones.
Solaris 11 global zone patching having solaris 10 branded zone. How to give special privileges to specific zones posted on march 17, 2015 by sandeep shenoy whenever we install solaris zones, solaris will assign some set of privileges to take care of activities that impacts overall systems that means that particular zone as well as other zones. Kernel zones, oracle solaris legacy containers and, oracle solaris 10 zones on oracle solaris 11. Dedicated cpus in zones a small rm exercise oracle. The legal states for the processor are online, offline, spare, faulted, and nointr. Oracle solaris zones, oracle solaris 10 zones, and resource management is for anyone responsible for administering one or more systems that run an oracle solaris release. Examining these files will show the show the configuration of the zones. Finding how many cpuscoresthreads in a solaris server. Solaris has this wonderful new feature called zones.
Difference between ldomss and zones containers raju. The zonestat utility reports on the cpu, memory, network, and resource control utilization of the currently running zones. The physical processor has 1 core and 1 virtual processor 2 the core has 1 virtual processor 2 sparct5 chipid 1, clock 3600 mhz i can see that i have my 32 threads here 31 virtual processors 03 625 2731 54 59 and 1 virtual processor 2 but what i dont understand is the reference to the physical processor has 6 cores. Solaris nonglobal zone cpu pinning oracle community. Solaris zones resource capping memorycpu unixarena. Hi as in my case i have 10 non global zones on solaris box. Getting cpu cores on solaris machine just technical information. Am new on solaris have below questions for dedicatedcpu cores 1. Zones also called as containers, reason is you will create compartments in a os, sharing kernel, cpu, memory and file system.
This article provides information about core dumps, as well as features and analysis tools in the solaris operating system that can be used to manage core dumps. Solaris 11 zones offer the best of solaris 10 wholeroot zones and sparseroot zones, and offer an array of new features that make zones even more flexible and powerful. For licensing i want to assign 2 core per nonglobal zone one from each processor. Comparing solaris 11 zones to solaris 10 zones oracle jeff. A solaris zone is a partitioned virtual os environment working in a solaris os space. Fujitsu sparc m121 features fujitsu servers oracle. Hard partitioning with oracle solaris zones white paper. Cpu intel xeon 4 cpu 8 socket each memory 128gb 80gb sga, 10gb pga, 30gb for system this server shows high cpu utilization in sys.
Traditionally, in solaris computing world the word cpu refers to a chip planted on the mother board. Oracle solaris administration oracle solaris zones oracle solaris. Solaris 10 local zone wise utilization report using zonestat. Typically the load average divided by the number of cpu cores are used to find the load per cpu and the load average above 1 per cpu is considered as cpu is fully utilized.
Global zone is the traditional os environment and is where solaris os is installed. Changing the number of cpus in a zones processor set. In solaris 10, if you want to find the processor type and the number of physical processors installed on the system and the number of virtual processors available on the system then the psrinfo command does job for you. Dec 06, 2010 solaris 10 and 11 express consider solaris cpus a phrase i made up on which to schedule processes. Using extended accounting on an oracle solaris system with zones. The dynamic resource pools comes in extremely useful when you have a variable load on zones and you want to dynamically change the resource allocation to these zones. If executing in a nonglobal zone and the pools facility is active, the percentage will be that of the processors in the. Oracles fujitsu sparc m121 is a highperformance 1u entry server with up to six cores and 1 tb of memory. All three major unix systems allow for partitioning of cpus, memory, storage, and network into disjoint resource. The directory etc zones contains the configuration files for each zone by the zone name. In the next example, well limit the test database zone to just 1 core and configure cpu shares for the application environment to give production a 75% guarantee. The cappedcpu resource provides an absolute finegrained limit on the amount of cpu resources that can be consumed by a project or a zone.
Zones and configuring the oracle solaris kernel zone in the fujitsu. Configuring resource controls with zones by ramdev published april, 2011 updated july 2, 2015 on a system with 2 nonglobal zones running, well use a program called hog to demonstrate a cpu intensive program within the zones. This sets the minimum guaranteed portion of cpu time to a given zone if there is a competition for cpu. Jeff victors oracle solaris 10 system virtualization essentials this is.
We now need to connect to the solaris zones console and configure solaris 10 for the first time on the zone. Statistically this could translate to an average of 35, but as you can see this value says very very little about actual system usage. The cpu, memory and mau resources can be addedremoved dynamically tofrom the guest ldoms. How to assign cpumemorymau resources to guest ldoms. Running top to get this output on all the zones memory. Todays servers generally contain multiple processors, which contain multiple cpu cores which themselves contain multiple cpu threads. Hard partitioning with oracle solaris zones 3 cpus, cpu threads, cpu cores and cpu processors oracle licensing which uses a processor based metric is based on the number of cores that the applications run on. Dec 22, 2010 displaying zone resource utilization on solaris 10 with zonestat leave a comment posted by jflaster on december 22, 2010 a while back i discovered the extremely useful zonestat script for giving dashboard view of the resource utilization across all zones in a system. Zones induce a very low overhead on cpu and memory.
The v245 has two processors, each single core and singlethread, so it can run two threads at the same time i. Now, i go back to the global zone still in the logical domain, remember and add a dedicated cpu stanza to the definition of the u4z1 zone. How to enable or disable a processor in sun solaris sun. From the above output, you can see cpu chip 0 has cores from 0 to 7 cpu id. The p option may not work with solaris 9 and below. For complete information, see zonestat1 the zonestat network component shows the usage of virtual network vnic resources on phys, aggr, etherstub, and simnet datalinks by zones. Sparc m10 systems achieve highspeed memory access by supporting ddr3 dimms.
May 15, 2015 in supercluster you can run the oracle rdbms in zones, and the zones are cpu capped. Now zoneadm shows that the zone is installed and running. Zones in the solaris os act as completely isolated os instances within one physical machine. Displaying zone resource utilization on solaris 10 with. The psradm utility changes the operational status of processors. The document hard partitioning with oracle solaris zones explains the different solaris features that can be used to limit software licensing costs when a processor based metric is used.
Solaris 10 local zone wise utilization report using zonestat may 5, 20 by lingeswaran r 7 comments i am sure many of the solaris administrators will break their head in an order to find solaris local zones wise resource utilization details on oracle solaris 10. The cores can be listed individually using psrinfo, see figure 4 below. Script find cpu model type count core thread speed solaris sparc for auuditing purpose, we want to know how many cores are being used by oracle, because oracle license will be charged on number of cores. Solaris 10 high kernel utilization %sys server fault. Script find cpu model type count core thread speed solaris sparc for auuditing purpose, we want to know how many cores are being used by oracle, because oracle license will be charged on. I did this using solaris 11 express, and the capability remains in solaris 11 with only slight changes. Using the prctl command oracle solaris administration. Oct 28, 2009 for solaris, to determine the number of physical cpus. Use solaris zones within a logical domain to increase vm density. Solaris 10 i386 machine cpu speed hi, what is the command to check cpu speed and number of physical and virtual cpu in solaris 10 on i386 platform as prtdiag is not giving the details of cpu speed. Solaris nonglobal zone cpu pinning unix and linux forums. Details of solaris zones as hard partitions oracle jeff. Examine etc zones directory to display zone configuration file. Resource juggling with zones oracle solaris blog oracle blogs.
Is it possible to monitor cpu temperature on solaris x86. May 05, 20 solaris 10 local zone wise utilization report using zonestat may 5, 20 by lingeswaran r 7 comments i am sure many of the solaris administrators will break their head in an order to find solaris local zones wise resource utilization details on oracle solaris 10. Sparse root zone small zone file systems like opt, usr are shared from global zone as loopback filesystem you only have a readonly access to these directories in nonglobal zone. Solaris zone of solaris 10 operating system function. Zones containers share everything, cpu, memory, file systems and most important thing kernel. Trying to undertand cpu info on a ldom and its control domain. The value run indicates that the process is on the runqueue. In that case use the kstat command to find the physical cpus. When used in conjunction with processor sets, cpu caps limit cpu usage within a set. A study of scalability and performance of solaris zones. You can disable a single core in solaris using psradm f cpu id man page for psradm the psradm utility changes the operational status of processors. The t4 is an 8 core processor with 8 threads per core, giving you the 64 virtual processors reported for each physical processor in your output.
Im told that the script gives strange results when run in an ldom. The server scales cpu resources one core at a time and is ideal for small to midrange enterprise applications. The following are a few examples for the configuration of solaris 10 zones. I have a t5220 server with 8 core 64 cpus cpu and 32gb of memory. Configuring, verifying, and committing a zone oracle. Resource capping is nothing but limiting the system resources like cpu,memory,swap to local zone. With specification in zonecfg, pool settings propagate during migrations the dedicated cpu resource sets limits for ncpus. Capped cpu this means the cpu usage of the zone is capped at the number of cpus specified in the capped cpu resource. What you can create instead are as many solaris instances as your current. In the old days, a cpu was a cpu one chip, one computational entity, one alu, one fpu, etc. For solaris, to determine the number of physical cpus. Time consuming task for a beginner who dont have any solaris 10 systems in hand. I have high system cpu usage on my solaris 10 server and waht to know why this is so. Global zone runs on solaris 10, you can have non global zones with solaris 8, solaris 9 and even linux.
The resource pool framework is as shown in the figure below. This is a solaris 10 x86 box with oracle 10g r2 database. To find the number of physical cpus on any system use the p option with psrinfo command. Solaris zones resource management adding capped cpu, capped memory, dedicated cpu, cpu shares to nonglobal zones. Am new on solaris have below questions for dedicated cpu cores 1. Jun 12, 20 solaris 11 zones are slightly different from solaris 10 zones. How to find number of physicallogical cpus, cores and memory. The dedicated cpu resource specifies that a subset of the systems processors should be dedicated to a nonglobal zone while it is running. The book oracle solaris 10 system virtualization essentials written by jeff victor, et al. The machine is a m9000 domain with 24 cores and 11 zones. Branded zones these are solaris 8 or solaris 9 zones on the solaris 10 global zones. Before adding the resources to guest ldoms make sure you check the available resources in the primary domain. To simply display the number of physical processors, simply run the command with the p option as follows.
Thinking of zones as a kind of virtualization misses the point, at least in my view. How to check the cpu utilization on all non global zones from. Cpu caps provides us with finegrained limits on the amount of cpu resources that can be consumed by a zone. You may want to change the number of cpus assigned to your zone for a couple of reasons 1 you have changed the number of cpus that are available in the ldom supporting this zone using a tool such as setcoremem and want to resize the zone to take this into account. I have a global zone with 4 local zone on every zones, the physical memory is 32 gb and swap space is also 32 gb. Here we have 8 physical processor and each has 8 cores.
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