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Archived Storage Articles
19 May 2015
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Oracle ZFS and OpenStack: We're Ready [42801]
... and Waiting

Bob Handlin writes, "After Day 1 of the OpenStack Summit, the ongoing debate rages as it does will all newish things: Is OpenStack ready for prime time? The heat is certainly there (the OpenStack-savvy folks will see what I did there), but is the light? Like anything in tech, it depends. The one thing that is clearly true is that the movement itself is on fire...

The "yes" side says "OpenStack is ready, but YOU aren't!!!" The case being made on that side is: 'OBVIOUSLY if you simply throw OpenStack over a bunch of existing infrastructure and "Platform 2" applications, you will fail. If instead, you build an OpenStack-proof infrastructure, and then run OpenStack on top of it, you can succeed'..."
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18 May 2015
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Oracle ZFS Storage Powers the Oracle SaaS Cloud [42792]
By Bob Handlin

Bob writes, "On the plane to OpenStack Summit, I was thinking about what we on Oracle ZFS Storage team have been saying about cloud storage, and how Oracle's cloud strategy internally (building the world's most successful Software-as-a-Service company) maps to our thinking. If you haven't followed the SaaS trends, Oracle's cloud has grown well beyond the recreational stage. We're killing it, frankly, and it's built on Oracle ZFS Storage.

The cliche is that there's no clear definition for cloud (or maybe it's that there are a bunch of them). I disagree. I think that as typically happens, people have done their best to twist the definition to match whatever they already do. Watch Larry Ellison's CloudWorld Tokyo keynote (there's a highlights video/but watch the whole thing). At at 22 minutes in, he walks you through how real cloud applications work..."
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18 May 2015
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Oracle ZFS Storage Intelligent Replication Compression [42797]
Intelligent Is Better

John Szlendak writes,"Remote replication ensures robust business continuity and disaster recovery protection by keeping data securely in multiple locations. It allows your business to run uninterrupted and provides quick recovery in case of a disaster such as a fire, flood, hurricane or earthquake. Unfortunately, long distance replication can often be limited by poor network performance, varying CPU workloads and WAN costs.

What's needed is intelligent replication that understands your environment and automatically optimizes for performance and efficiency, on-the-fly, before sending data over the wire. Intelligent replication that constantly monitors your network speeds, workloads and overall system performance and dynamically tunes itself for best throughput and cost with minimum impact to your production environment..."
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12 May 2015
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Oracle ZFS Storage Appliance [42594]
RESTful API Examples

Jim Kremer writes, "The Oracle ZFS Storage Appliance added a RESTful API for managing storage in its OS8.2 release and this post tells you how to get some Python examples that call this new RESTful API.

The best place to get example code is through the ZFS Storage User Group (OZUG) hosted at www.ioug.org Signing up is free. Just follow the OZUG signup instructions. Not only are there RESTful API scripts, but also workflow and CLI scripts shared by the OZUG community..."
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11 May 2015
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SanDisk's Lightning SSD compatibility [42593]
Oracle Solaris + SPARC T5 Servers

IT organizations across the world are facing critical challenges in management of data and fast and efficient delivery of services geared around business critical data. One easy and transparent way to improve I/O performance and reliability of any computing platform is to replace existing spinning disk drives with solid state drives (SSDs). This paper presents an overview of the tests conducted to verify the operational compatibility of SanDisk's Lightning SSDs with Oracle SPARC T5 server platforms using the Oracle HCTS hardware compatibility test suite.

Due to the diversity in components and variations in hardware platform architecture, it is very important to confirm if a product is compatible with the target server architecture...
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28 Apr 2015
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It is the Dawning of the Age of the L2ARC [42277]
Oracle has fundamentaly changed the L2ARC

Roch Bourbonnais writes, "One of the most exciting things that have gone into ZFS in recent history has been the overhaul of the L2ARC code. We fundamentaly changed the L2ARC such that it would do the following:

  • reduce its own memory footprint,
  • be able to survive reboots,
  • be managed using a better eviction policy,
  • be compressed on SSD,
  • and finally allow feeding at much greater rates then ever achieved before.

Let's review these elements, one by one..."
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