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OCAU News
Thursday Afternoon (3 Comments) (link)
 Thursday, 8-August-2019  15:13:04 (GMT +10) - by Agg

BitDefender have uncovered another CPU vulnerability. Bitdefender senior researchers Dan Horea Lutas and Andrei Vlad Lutas recently uncovered a new speculative-execution vulnerability and demonstrated how it can be exploited via a side-channel style attack, dubbed SWAPGS Attack. The vulnerability has been publicly reported today as CVE-2019-1125. A bit more human-readable explanation on TheNextWeb. The SWAPGS instruction is found in most Intel CPUs released after 2012, including those released after Ivy Bridge. On the consumer side, the flaw impacts the third generation of Intel Core processors and beyond, although Bitdefender notes that it also presents a grave threat to enterprise users, as well as those using Intel processors on servers.

Toshiba have introduced a tiny NVMe SSD form-factor. The new XFMEXPRESS form factor allows for two or four PCIe lanes while taking up much less space than even the smallest M.2 22x30mm card size. The XFMEXPRESS card size is 18x14x1.4mm, slightly larger and thicker than a microSD card.

At the other end of the spectrum, Western Digital have some huge new enterprise SSDs. For those who need maximum performance and capacity, the manufacturer will offer SSDs in EDSFF E1.L form-factor that will offer capacities of up to 30.72 TB as well as up to 720K random read IOPS. For blade servers running virtual desktops and similar software the maker will offer U.2 SSDs featuring up to 7.68 TB capacities. For space-constrained and OCP environments, the Ultrastar DC SN640 drives will be available in M.2-22110 form-factor as well as capacities of up to 3.84 TB.

Meanwhile BackBlaze have published their latest hard drive stats. As of June 30, 2019, Backblaze had 110,640 spinning hard drives in our ever-expanding cloud storage ecosystem. Of that number, there were 1,980 boot drives and 108,660 data drives. This review looks at the Q2 2019 and lifetime hard drive failure rates of the data drive models currently in operation in our data centers.

Corsair have a new double-stacked memory product. The long-awaited launch of 32GB-per-module consumer memory is finally here, thanks to Corsair and Micron. Samsung first presented the idea back in May of 2018, but that rare memory was only for notebooks. Samsung followed up a few months later with desktop DIMMs, but all we saw of it was an endlessly out-of-stock listing at a reseller. Am I missing something, or is this not the same idea as the G.SKILL Trident Z DC Series reviewed recently on OCAU?

Fujitsu are upgrading Australia's fastest supercomputer. The new supercomputer will utilise both Fujitsu and Lenovo Neptune™ innovative direct liquid cooling technologies with warm water, allowing for high-density computing. The system features Fujitsu PRIMERGY CX2570 M5 servers and will include second-generation Intel Xeon Platinum processors, Intel Optane DC persistent memory and NVIDIA V100 GPUs to accelerate deep learning training and inferencing.

On a related note, AMD have unveiled new EPYC CPUs. AMD's Rome platform solves the concerns that first gen Naples had, plus this CPU family is designed to do many things: a new CPU microarchitecture on 7nm, offer up to 64 cores, offer 128 lanes of PCIe 4.0, offer 8 memory channels, and offer a unified memory architecture based on chiplets. More on TomsHardware and ServeTheHome. Discussion towards the end of this thread.

Windows Defender is apparently one of the best anti-virus apps for Windows, and not just because it's free. Microsoft isn’t a security vendor whose primary objective is to build advanced software solutions to block malware and cyberattacks, but thanks to all the efforts the company has put into Windows Defender lately, the built-in Windows 10 antivirus has made a major step towards becoming such a product.

If you were a geeky kid in the 1980's in Australia, you probably loved The Curiosity Show as much as I did - and so does a whole new generation of YouTubers. Its hosts were two blokes in daggy jumpers - one with an elfin beard, the other with a 70s moustache. Now the two friends behind the Curiosity Show have found a new audience. ..and now I have the theme tune stuck in my head.



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All original content copyright James Rolfe. All rights reserved. No reproduction allowed without written permission.