Thin provisioning lets storage arrays report more capacity than they physically have – but Oracle ASM doesn't automatically return space when data is deleted. Here's how to reclaim it.
Category: Flash
The Flash Insider: To POC or Not To POC?
Guest Post I'm excited announce another guest blog written by my good friend and funny-talking American cousin Nathan Fuzi. Like me, Nate comes from a database background but joined the all-flash storage revolution back in its infancy. Which means, like me, Nate how has a little tombstone on his résumé marked Violin Memory. But even though he … Continue reading The Flash Insider: To POC or Not To POC?
How the Next Generation of Flash Storage is Changing the Economics Of SaaS Businesses (Recorded Webinar)
This week I had the opportunity to record a webinar on a subject very close to my heart, the Software-as-a-Service industry. From 2003 to 2007 I managed the production infrastructure for a global SaaS company through the transition from startup to acquisition (partly by Salesforce.com). At the time, SaaS was a relatively new phenomenon, predating any concept … Continue reading How the Next Generation of Flash Storage is Changing the Economics Of SaaS Businesses (Recorded Webinar)
Understanding Flash: The Fall and Rise of Flash Memory
NAND flash was declared dying in 2012 – but the industry's pivot to 3D NAND proved the sceptics wrong. Here's what the "Bleak Future" paper got right, and what it missed.
Why Kaminario?
This summer I made the decision to leave my previous employer and join another vendor in the All Flash Array space - a company called Kaminario. A lot of people have been in touch to ask me about this, so I thought I'd answer the question here... Why Kaminario? To answer the question, we first need to … Continue reading Why Kaminario?
The Great Hypervisor Bake-off: VMware ESX vs Oracle VM
SLOB benchmark results measuring the I/O overhead of virtualisation on Violin flash – comparing VMware ESX against Oracle VM to see which hypervisor costs less in raw database performance.
ASM Rebalance Too Slow? 3 Tips To Improve Rebalance Times
Slow ASM rebalance operations usually come down to a handful of overlooked settings. Here are three practical fixes that have dramatically cut rebalance times in real customer environments.
Postcards from Storageland: Three Years At Violin
A few weeks ago, in what seems to be a truly modern phenomenon, I became aware that it was my third anniversary of joining Violin after I noticed a number of people congratulating me on LinkedIn. In many ways it feels like I've already been here for a lifetime, but it was only twelve months ago … Continue reading Postcards from Storageland: Three Years At Violin
Postcard from Oracle OpenWorld 2014: The Oracle FS1 Flash Array
A couple of weeks ago I wrote a post about my trip to Oracle OpenWorld 2014 and the surprise announcement of the Oracle FS1 Flash Array. I posted it on the Violin Memory corporate website here: http://www.violin-memory.com/blog/postcard-oracle-openworld-2014-the-oracle-fs1-flash-array/ Follow the link to find out whether I thought it was the most amazing product in the history … Continue reading Postcard from Oracle OpenWorld 2014: The Oracle FS1 Flash Array
Oracle, Parallelism and Direct Path Reads… on Flash
Oracle's parallel query engine behaves differently on flash than on spinning disk – direct path reads change the picture in ways that DBAs tuning for traditional storage won't expect.
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