Sunday Jan 02, 2011

Ours Goes To 11 - Features of Oracle Solaris 11

One of the features in Oracle Solaris 11 is the "Solaris 10 Container" which makes it possible to import a Solaris Container or even a full Solaris 10 system. This blog entry describes zones under Solaris 11 and illustrates using Solaris 10 Containers on it.[Read More]

Monday Dec 27, 2010

So much news, so little time...

It's a long time since my last blog - it's been a busy time! In this blog entry I catch up with some of the big news announcements, and illustrate upgrading from OpenSolaris to Oracle Solaris 11 Express[Read More]

Thursday Mar 25, 2010

Response to "A comparison of virtualization features of HP-UX, Solaris and AIX"

It's a long time since I've had to refute errors in partisan "comparisons" of Sun technology, but it's time again. An article posted by Ken Milberg on IBM sites inaccurately describes Oracle virtualization technology, and I set the record straight....[Read More]

Sunday Mar 21, 2010

A new look at an old SA practice: separating /var from /

Today's blog is a short look at two variations on the old sysadmin practice of separating /var from /, inspired by recent "how do I do this?" calls - influenced by ZFS boot and Solaris Containers (zones) with ZFS root.[Read More]

Tuesday Feb 09, 2010

Sunny Thoughts

Sunny thoughts on becoming part of Oracle, and on the Sun's in a different, and electrifying context.[Read More]

Thursday Jan 21, 2010

Logical Domains 1.3 Released

A new version of Logical Domains has been released, with new functionality for resource management and domain migration.[Read More]

Sunday Dec 06, 2009

Deduplication now in ZFS

Deduplication is now available in ZFS in the latest OpenSolaris build! Have a look at early experience with this exciting new feature.[Read More]

Sunday Nov 08, 2009

Dedicated CPUs in zones - a small RM exercise

An exercise with resource management using Logical Domains and Solaris Containers, illustrating how these technologies interact, and how resource management looks when dedicated CPUs are used with Containers. [Read More]

Friday Oct 02, 2009

Hercules goes commercial!

The Hercules open-source mainframe emulator had lead to a commercial mainframe offering? What does this mean - can it be successful?[Read More]

Friday Sep 25, 2009

ZFS, Live Upgrade and Flash Archive - happy together at last

Flash Archive is a really handy Solaris feature for cloning Solaris systems. Unfortunately, until recently it didn't work with Solaris 10 systems that leveraged ZFS boot - but now it's available. Here's my experience making use of this.[Read More]

Sunday Aug 30, 2009

It's a dry heat...

Jeff made a big move from the east coast to the Southwest, and has gone through his first summer in the desert. You can take the boy out of Brooklyn, but can you take the Brooklyn out of the boy?[Read More]

Wednesday Jul 01, 2009

Virtual SMP in VirtualBox 3.0

VirtualBox 3.0 introduces support for multiprocessor virtual machines. This is an exciting development! Some thoughts on when to apply this, and recommendations for how to use it with optimal performance.[Read More]

Monday May 11, 2009

Sherlock Holmes and The Adventure of the Odd Permissions

A mystery in which a user can create directories and files on ZFS, but cannot remove them! [Read More]

Sunday Mar 29, 2009

"Pointed comments" on a completely different topic.

Today I'm making "pointed comments" - with real points and edges! - on a completely different topic, with a reflection on learning new things while retaining old ones.[Read More]

Sunday Feb 22, 2009

DTrace and the mighty Hercules

DTrace is one of the really powerful features of Solaris, providing fantastic observability into application and system behavior. Here, an example of using DTrace to provide instrumentation data into an emulator program I occasionally use.[Read More]
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