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Frequently Asked Questions

Can I add access to a filesystem to a non-global zone while it is running?

Learning Solaris 10 & Zones : Unofficial FAQ
Yes, as long as it doesn’t require the exporting of a new disk device to the non-global zone. See Question 2.5 & Question 3.7

How do I configure a default route for a non-global zone?

Learning Solaris 10 & Zones : Unofficial FAQ
there is only one TCP/IP stack, the complete network information must be configured from the Global zone. The Global zone administrator can add one (or more) default route for each subnet, the kernel will make sure that the right one is used for each non-global zone depending on its IP & netmask.

Is it possible to clone a non-global zone?

Learning Solaris 10 & Zones : Unofficial FAQ
Not yet but it will be eventually. A Sun engineer has started working on this. More information. If you can live with an unsupported procedure, have a look at this lab.

Why is snoop not working in a non-global zone?

Learning Solaris 10 & Zones : Unofficial FAQ
Snoop works by talking to the “DLPI” interface that itself contacts the appropriate NIC drivers. To implement the network isolation feature of non-global zones, access to DLPI and the lower levels interfaces is disallowed.

Can I change a non-global zone IP while it is running?

Learning Solaris 10 & Zones : Unofficial FAQ
Yes. Just use the “ifconfig” command from the Global zone. Don’t forget to also update the non-global zone’s configuration if you want the change to be persistent.

Can I prevent a non-global zone from consuming all the memory?

Learning Solaris 10 & Zones : Unofficial FAQ
Yes! And no… The reource capping feature of Solaris Resource Management allows one to set an upper bound to the amount of RAM used by a certain project. By creating projects inside a non-global zone and setting the rcap.max-rss project parameter, you can limit the amount of memory used by all the processes belonging to that project. So it is not a zone-aware feature but it can be used within non-global zones through the use of projects.

How do I restore a non-global zone’s configuration?

Learning Solaris 10 & Zones : Unofficial FAQ
Configurable only from the Global zone. A restriction is that IPFilter cannot be used to restrict access between 2 non-global zones. The loopback interface is used for that purpose and IPFilter cannot be used to inspect packets goign through that interface. See question 3.2. Starting with Solaris 10 06/06, Zfs is available as a standard supported feature. A siple HOWTO document describes few of the possibilities of integrating Solaris Zones & ZFS. Read the document or go to the sun.

Can I prevent one non-global zone from consuming all the CPU time?

Learning Solaris 10 & Zones : Unofficial FAQ
Yes! The standard Resource Management features have been extended to zones. The Fair Share Scheduler is a scheduling class controlling the proportion of CPU time that a certain entity may use. The administrator of the Global zone is in charge of setting the new ressource control zone.cpu-shares to assign a number of shares to each non-global zone ( the Global zone is assigned 1 share by default ).

Can I prevent one application in a non-global zone from using all the CPU time?

Learning Solaris 10 & Zones : Unofficial FAQ
Yes! The Resource Management model being hierarchical, the first thing to do is to assign a number of shares to each non-global zone ( See 5.1 ). Within the non-global zone, the non-global zone administrator may now create projects in the standard way to differentiate between workloads running in the same non-global zone. Resource contention between these workloads can be resolved by assigning FSS shares to the projects.

Can I run a non-global zone processes on specific CPUs?

Learning Solaris 10 & Zones : Unofficial FAQ
Yes! First create a processor set that contains some of your CPUs ( be careful, you still need some CPU time for the Kernel! ). Then create a resource pool and bind the processor set to it. Finally bind your non-global zone to the same resource pool. All the processes running in your non-global zone will then run on the CPUs you selected by creating the processor set.

Are you adding cichlids to a tank with other non-cichlids in a community tank?

Frequently Asked Cichlid Questions
Many cichlids are aggressive and territorial... especially when breeding. Some grow big enough to make a quick snack of your guppies and swordtails.

How do I configure the identity (hostname, timeserver, timezone,… ) of a non-global zone?

Learning Solaris 10 & Zones : Unofficial FAQ
After the non-global zone has been installed, all kind of typical identity information needs to be provided. It can be done in two ways: Interactively : the Global zone administrator boots the zone for the first time. A “sysidtool” process ( the same that the one used for a standard installation ) is then launched inside the non-global zone. The administrator needs then to connect to the non-global zone console using the “zlogin -C my-zone” command.

How do I add a validation rule to the ASP.NET Validation Package for my non-ASP.NET form?

Mad! Widgets - FAQs
Demo 1 under the demonstration section shows how to add validation to non-server controls. There is also information on this in the Getting Started section of the documentation. The Getting Started section of the documentation gives a very thorough explanation of how to add validation for HtmlControls or WebControls.

When do I add acetone: before or after adding fuel?

Directory:Acetone Additive:FAQ - PESWiki
You may need to add fuel first to get a measurement of gallons added to know how much acetone to add. If you are good at reading your gas gauge, to know about how many gallons will be required to fill the tank, then you can. Once you know your gauge:gallon relationship, you can add a fixed amount before the "full" point is reached, so that you can add the acetone first..

What Zone Am I In?

Frequently Asked Questions - Spring Valley Roses - Hardy Ros...
On this page, we'll try to answer some of the more frequently asked questions about roses that we've heard from our customers. When you're faced with uncertainty about what to do with your roses, read as much as you can about roses and ask your gardenings friends for advice. But most importantly, relax -- remember, you're doing this because you want to! Taking care of roses is alot like taking care of anything -- you have to pay attention to them so you know when something is not quite right.

How can I add non-solution items to source control?

Jim Lamb : Team Foundation Server FAQ
This can be achieved by either clicking the Add icon or by going to File > Source Control and selecting the Add To Source Control menu item.

How do I backup non-global zones?

Learning Solaris 10 & Zones : Unofficial FAQ
The main question is whether you need to perform the backup from the Global zone or from the non-global zone. You have some enterprise backup software like NetBackup or Legato Networker. Even “ufsdump” requires access to devices which might not be available from the non-global zone. You want to be able to restore your entire zone, not only the data it contains. Main example is Disaster recovery.

How do I add a PTR record to my zone file ?

FreeParking - Frequently Asked Questions
Whoever is authoritative for your IP address range must add the record to their DNS. Ask your ISP to escalate the call to 3rd line support. To check your IP address owner search for the ip at http://www.ripe.net in Europe, http://www.arin.net for North America

Can I add a java source to my war package?

FAQs-1 - Maven User - Codehaus
You can't, but you can use the assembly plugin to create a source distribution and a binary distribution for your project

Can I add package listings to my site?

LinuxPackages: Site FAQ
Yes you can, we have an rss feed located at http://www.linuxpackages.net/backend/linuxpackages.rdf Please send us an email and let us know that you are using the backend we would like to know how many are out there.
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