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I'm the CEO & co-founder of OS NEXUS, a storage appliance software company with a focus on scale-out storage management. We do a lot of hardware and software storage technology integration on Linux with our QuantaStor Software Defined Storage (SDS) platform this blog is our way to share some thoughts and insights on these technologies and where we're headed with SDS.
on February 28, 2024 •
In Part Two of this blog series we’re getting into the fun part of writing a simple Lua script to start automatically tiering (organizing) S3 objects into the right pools by dynamically changing the Storage Class setting on the fly… Read More ›
By stevenu on February 26, 2024 •
S3-compatible object storage systems generally have the ability to store objects into different tiers with different characteristics so you can get the best combination of cost and performance to match the needs of any given application workload. Storage tiers are… Read More ›
By stevenu on January 31, 2024 •
The humble Ethernet frame, the packet, is sent and received across your network and across the internet in chunks, “frames”, “packets”, each containing just 1500 bytes by default. You’ll see this set in your network interface settings as the MTU… Read More ›
By stevenu on April 1, 2016 •
UPDATE 11/28/2017 With the release of QuantaStor v4.4 this month we just posted a YouTube video that goes over the setup of a Ceph cluster in just 10 minutes using QuantaStor SDS. ORIGINAL ARTICLE Ceph is amazing storage tech. The… Read More ›
By stevenu on March 3, 2016 •
UPDATE 11/28/2017 Although the benefits outlined in this article mostly still hold true in 2017- we’ve been going the route of using SATA/SAS HBAs connected directly to the drives for Ceph deployments. The main benefits of doing so are performance… Read More ›
By stevenu on December 5, 2015 •
Way back in August 2005 a really interesting file tracking feature was added to the Linux kernel (v2.6.13) and given all the interest today in data governance and security I thought it’d be nice to put a spotlight on it,… Read More ›
By stevenu on November 27, 2013 •
UPDATE 11/28/2017 Over the last 4 years we’ve seen strong adoption of SDS with a growth rate over 100% YoY at OSNEXUS. Today we see our storage grid technology in QuantaStor being a key differentiator for customers with hyper-scale deployments,… Read More ›
By stevenu on July 9, 2013 •
UPDATE 11/28/2017 Since I wrote this article years ago many things have changed so here’s a quick update. Today 90% of our deployments are ZFS based and we only use XFS within our Ceph deployments for OSDs. Even that use… Read More ›
By stevenu on April 24, 2013 •
UPDATE 11/28/2017 It’s been 5 years since I wrote this article and a refresh is due. In short, at OSNEXUS we’re no closer to adoption of BTRFS and in the intervening years we’ve put our efforts into making ZFS on… Read More ›
By stevenu on March 20, 2012 •
Forget what you’ve heard, it isn’t that hard. Assuming you’re setting up a basic fibre channel SAN for VMware or a cluster filesystem like Apple’s Xsan the process is pretty straight-forward. For detail on FCoE there’s a great paper on… Read More ›
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