Logical Domains (LDoms) Mobility
A screencast by Markus Weber, Sun technical Marketing Manager, explains how LDoms 1.1 allows the migration of a guest domain. This means a user, for example, can suspend a running Solaris instance to memory, copy it to another physical CMT machine, and then resume its running on the recipent machine. "It allows you to create virtual machines that take advantage of the massive thread scale offered by these platforms," Weber writes. "Create up to 256 virtual servers on one system... for free!"
ZFS Snapshots How-to Guide
In eight pages, this Sun guide describes the steps necessary to set up a ZFS filesystem and the use of snapshots including how to create them, use them for backup and restore purposes, and how to migrate them between systems. Geared toward new users, the information in this piece will give readers a basic understanding of how snapshots can be integrated into system administration procedures.
Creating an OpenSSO User Data Store Using Sun Directory Server
Michael Teger takes readers through the process of creating an OpenSSO user data store using Sun Directory Server. He advises that this option, offered by OpenSSO Enterprise Express Build 7, is for proof-of-concepts only and should not be used in real-time deployments. He offers tasks, resource links, and a video of the rock band Queen to guide readers.
Solaris Cluster 3.2, VirtualBox 2.2, 2-Node Cluster, and a Laptop
The new features of VirtualBox 2.2 in the networking space, led Hartmut Streppel to believe that it was exactly what he needed for a 2-node cluster on his laptop. He was right. The reason? Host-only networking. Read how he solved his issues.
Resources for Administering OpenSolaris
The wiki page for OpenSolaris System Administration Information is a great site with all kinds of resources dedicated to pertinent tasks for system administrators working with the open source OS.
Tour the James Bond Villain Data Center
This truly unique facility beneath 30 meters of bedrock under Stockholm, Sweden, became known as the “James Bond Villain Data Center” after it was featured on the Pingdom web site last year. Dean Nelson of Data Center Pulse toured the data center with Bahnhof CEO Jon Karlung, who provided a look at the many unusual features of the facility. Video runs 9:12.
Performance and Scaling of the Intel Xeon 5500-series Platforms for DNS Operations
Parallel dnsperf loads were run against a DNS server on some new Intel Xeon 5500-series platforms and compared against a previous generation Intel Xeon 5400 platform. Bruce Chapman offers the details along with a couple of charts.
Solaris Network Tuning for WebSphere Application Environment
Albert Leigh clarifies the recommendation of Solaris network tuning discussed in WebSphere Application Server (WAS) v6.1 on Solaris 10 Redbook (Ch 2.2 p.25) and WAS v6.1 ND Tuning Guide.
A Secret of SysAdmins: Transfer Keys to All Systems
From the Unix Admin Corner blog comes a tidbit for those administrators who may not know how to transfer keys to all the systems being overseen. This process will indeed make life much easier whether there are a few boxes or hundreds or even thousands.
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