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Articles for the keywords: zones
31 Oct 2014 How to Configure a Failover Oracle Solaris Kernel Zone [39046]
by Venkat Chennuru

This article describes how to configure an Oracle Solaris Kernel Zone in failover mode in a two-node cluster using the Oracle Solaris Cluster high availability (HA) agent for Oracle Solaris Zones.

This article is intended to help a new or experienced Oracle Solaris administrator to quickly and easily configure an Oracle Solaris Kernel Zone in failover mode using the Oracle Solaris Cluster HA for Oracle Solaris Zones agent. For more details, see the Oracle Solaris Cluster Data Service for Oracle Solaris Zones Guide.

About Oracle Solaris Cluster Failover Zones

Oracle Solaris Zones include support for fully independent and isolated environments called kernel zones, which provide a full kernel and user environment within a zone. Kernel zones increase operational flexibility and are ideal for multi-tenant environments where maintenance windows are significantly harder to schedule. Kernel zones can run at a different kernel version from the global zone and can be updated separately without requiring a reboot of the global zone. You can also use kernel zones in combination with Oracle VM Sever for SPARC for greater virtualization flexibility.

This article describes how to set up a failover kernel zone on a two-node cluster.
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09 Oct 2014 How-To: Lifecycle Management for Zones [38724]
By Owen Allen

Owen writes, "Oracle Solaris Zones are a useful too. As I've been discussing over the past few weeks, Ops Center lets you manage zones from a high level by creating them, grouping them into server pools, and migrating them. However, I haven't talked about how to use Ops Center for more day-to-day zone management.

When a zone is managed in Ops Center, you can see its current state - running, shut down, or unreachable - in the Assets section, shown by an icon over the asset. By selecting a specific zone, you can take a number of possible actions: you can reboot or shut down a running zone, halt a zone if it's not responding to a graceful shutdown, boot a stopped zone, or delete a zone if it's no longer needed..."
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25 Sep 2014 Creating a Server Pool for Oracle Solaris 11 Zones [38466]
Big advantages to pooling your zones

Owen Allen writes, "I talked a bit last week about creating Oracle Solaris 11 zones by following the zone creation how-to. If you're creating zones on at least two systems, it's a good idea to create a server pool for them. A zones server pool lets you group 2 or more global zones (hosts) that have the same processor architecture. The hosts must share storage resources and have access to the same virtual and physical networks..."
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18 Sep 2014 How-To: Creating Oracle Solaris 11 Zones [38355]
With Ops Center

Owen Allen writes, "If your environment uses Ops Center, you can use a profile to quickly create new zones with a specific setup. The profile specifies the OS version, zone configuration, storage, and file system for the zone. Once you've created a profile, it automatically generates a deployment plan, which you can run to create a new zone. At runtime you specify the target system, and the name, IP address, and network resources for the new zone, edit any of the info from the profile if you want, and schedule the zone creation.

We've put together a how-to that walks you through the whole process, so take a look..."
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25 Aug 2014 Migratory Solaris Kernel Zones [38036]
By Jeff Victor

Jeff writes, "Oracle Solaris 11.2 introduced Oracle Solaris Kernel Zones. Kernel Zones (KZs) offer a midpoint between traditional operating system virtualization and virtual machines. They exhibit the low overhead and low management effort of Solaris Zones, and add the best parts of the independence of virtual machines.

A Kernel Zone is a type of Solaris Zone that runs its own Solaris kernel. This gives each Kernel Zone complete independence of software packages, as well as other benefits.

One of the more interesting new abilities that Kernel Zones bring to Solaris Zones is the ability to "pause" a running KZ and, "resume" it on a different computer - or the same computer, if you prefer.

Of what value is the ability to 'pause' a zone? ..."
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