Articles about Compression

The Martian

Smoking hole found on Mars where Schiaparelli lander, er, 'landed'

Pic The European Space Agency has spotted what it assumes is what's left of its Schiaparelli lander that smashed into the Martian surface this week. NASA has been helping its European cousin out with use of the Mars Reconnaissance Orbiter (MRO): the satellite's low-resolution CTX camera has picked up two new objects on the surface …
Iain Thomson, 21 Oct 2016

File this: XtremIO to fling forth filer functionality

Analysis XtremIO's rush to revenue glory is going to get accelerated with coming file data services added to its block base. The story starts when Israeli startup XtremIO started developing an all-flash array, block-access product in 2009. The product's capabilities included global in-line deduplication, snapshotting, and InfiniBand …
Chris Mellor, 20 Oct 2016

Flash reaches the enterprise tipping point

Comment The use of disk drives to store performance data for enterprises is declining and, flash drives - SSDs - are taking their place. A wave of all-flash array (AFA) to disk array migration is starting to wash across data centres as generations of disk drive arrays give way to ones built with NAND flash drives. The tipping …
Chris Mellor, 20 Oct 2016

Jumpin' AppFlash! Actifio's devops gear rolls onto Pure kit

+Comment Actifio's AppFlash DevOps Platform will run on Pure Storage's FlashArray. The AppFlash DevOps Platform has been jointly developed by Pure and Actifio. It marries Actifio's copy data virtualisation with Pure's hardware, and there are three pre-tested configurations to accelerate the provisioning and refresh of databases for …
Chris Mellor, 20 Oct 2016

Facebook is writing a Mercurial server in Rust. This is not a drill

Between Git and Mercurial, the two most popular distributed version control systems in use today for managing software development, Git gets most of the attention. Git was created by Linus Torvalds, which gives it a pedigree. And it has benefited from the popularity of commercial services built around the technology, like …
Thomas Claburn, 18 Oct 2016

Audit sees VeraCrypt kill critical password recovery, cipher flaws

Security researchers have found eight critical, three medium, and 15 low -severity vulnerabilities in a one month audit of popular encryption platform VeraCrypt. The audit is the latest in a series prompted by the shock abandoning of TrueCrypt in May 2014 due to unspecified security concerns claimed by the hitherto trusted …
Darren Pauli, 18 Oct 2016

Exablox bundles backup tool

Scale-out file storage vendor Exablox is bundling backup software with its array nodes and claiming the gap between primary and secondary storage is disappearing. Linked Exablox OneBlox nodes provide file-serving capabilities for primary and secondary storage, with continuous and unlimited snapshots, inline deduplication, …
Chris Mellor, 18 Oct 2016

All-flash storage: Tech's ready, is it safe to move yet?

All-flash arrays are arguably coming of age, but in an early market, with lots of vendors jostling for position and making all kinds of promises, you need to be careful when evaluating options. While most of the historical challenges have been largely neutralised or at least made significantly smaller, there are still some …
Dale Vile, 14 Oct 2016

Fresh from 1,800 job cuts, Fujitsu boasts of spinning rust-killing flashy boxen

Fujitsu's second-generation all-flash ETERNUS arrays are poised, priced and positioned to replace disk storage arrays in serving primary data to servers, it says. Fujitsu's first generation flash arrays, the DX 200 S3 and the earlier DX600 S3* are being succeeded by the ETERNUS AF250 and AF650. The top-of-the-range 5U AF650 …
Chris Mellor, 13 Oct 2016
Polo match. Pic: Fir0002/Flagstaffotos, GFDL v1.2

Dell-EMC races to add and extend flashy bits into its boxen

Dell EMC is driving full tilt to extend flash support and lower costs in its storage array hardware and software product set, with in-line compression, high-capacity SSD support and the spinning off old data to the cloud. Data Domain arrays get a speed boost with metadata storage in flash, and an effective capacitty boost with …
Chris Mellor, 11 Oct 2016

Breaking compression, one year at a time

Sysadmin Blog Computers physically last a lot longer than vendors would like. The idea of the three-year refresh cycle is considered sacred amongst a certain crowd, but when pressed most will admit that refreshes of that nature are exceptionally rare. While we can keep equipment running for a decade or beyond, there are hidden issues in doing …
Trevor Pott, 07 Oct 2016

Infinidat's big iron array gets data scrunching, no-footprint iSCSI

Big iron array vendor Infinidat has made its third major software release, adding compression, baked-in iSCSI support and enhanced array analytics. The company’s architecture has 3 controller nodes, which each can see all the drives, and eschews an all-flash design, relying instead on up 1.2TB - 3.2TB of DRAM caching, 24TB to …
Chris Mellor, 05 Oct 2016
Disco 2000 screencap

Let's not meet up with JPEG 2000 – researchers find security hole in image codec

Researchers are warning about a newly discovered security vulnerability in a popular open-source JPEG 2000 parser that could let corrupted image files trigger remote code execution. Cisco-owned security firm Talos warns that by embedding a malformed image file into a web page, PDF file, or email message, an attacker could gain …
Shaun Nichols, 04 Oct 2016

Ofcom blesses Linux-powered, open source DIY radio ‘revolution’

Small scale DAB radio was (quite literally) conceived in an Ofcom engineer’s garden shed in Brighton, on a Raspberry Pi, running a full open source stack, in his spare time. Four years later, Ofcom has given the thumbs up to small scale DAB after concluding that trials in 10 UK cities were judged to be a hit. We gave you an …
Andrew Orlowski, 27 Sep 2016

Hyperconvergence: Where is the technology, and the CIO, going?

Hyperconvergenced computing offers some advantages for CIOs, but the advantages don’t exist in a vacuum. Companies have to predict what kind of environment their appliances will be running in, four or five years from now, and how they can prepare for it. Hyperconvergence is the convergence of storage and compute infrastructure …
Danny Bradbury, 27 Sep 2016

Objects! Aaah-ah ... the savior of software-defined storage?

Comment Software-defined storage (SDS) is one of those terms that has been readily hijacked by vendors over the past few years. The term developed from the adoption of software-defined networking (SDN), used to define the separation of control and data traffic in the networking world, which provides the abstraction needed to deliver …
Chris Evans, 22 Sep 2016
Sauce over ice cream and brownies. Photo by Shutterstock

Avere builds on-premises object store all smothered in NAS

NAS accelerator and cloud storage gateway shop Avere has got itself its very own on-premises NAS system wrapped around an object storage core with a passage to the public cloud. Up until now, Avere has focussed on accelerating data access to on-premises filers and, latterly, cloud or object stores. Now it is providing its own …
Chris Mellor, 20 Sep 2016
HBO: Game of Thrones

Behold this golden era of storage startups. It's coming to an end

Comment We are living in one of the most fascinating storage times with a great and rewarding war of storage access latency, but the major gains have already been won – and the scope for future advances is narrowing. A previous storage revolution concerned space reclamation with deduplication, compression and thin provisioning …
Chris Mellor, 02 Sep 2016

Life imitates satire: Facebook touts zlib killer just like Silicon Valley's Pied Piper

Facebook engineers today emitted a bunch of open-source compression and database tools during its @Scale conference. This software is used actively at hyper-scale within the sprawling social network. The California giant wants to share some of its source code with the world and hopefully get some useful patches in return. Here …
Chris Williams, 31 Aug 2016

Tegile gets IntelliFlash into a cluster duster

Tegile is launching its all-flash, clustered, IntelliFlash CP (Cloud Platform) at VMworld 2016. This is a rack-scale system for large enterprises looking to set up a private cloud and, Tegile says, involves multi-controller clusters and NVMe. Individual systems are clustered together with a single global namespace. They will …
Chris Mellor, 29 Aug 2016

IBM is now selling Spectrum Virtualize free from hardware

We heard IBM might be supplying a software-only storage product and it turned out to be true: Spectrum Virtualize can now be bought without hardware. Spectrum Virtualize is the renamed SAN Volume Controller (SVC) and virtualises IBM and third-party arrays, into single storage resources. It is bundled with the Storwize Vnnnn …
Chris Mellor, 25 Aug 2016

Simplivity delivers storage quadruplets: Meet all-flashery and better DR

SimpliVity has announced an all-flash hyper-converged system and upped its single system VDI count from 2,000 to 4,000. It has also introduced RapidDR virtualised workload recovery and app-aware SQL Server backups. The CN-5400-F forms the high-end of SimpliVity's otherwise hybrid flash/disk product range: CN-1400 - 3-6TB …
Chris Mellor, 23 Aug 2016

The TPC-C/SPC-1 storage benchmarks are screwed. You know what we need?

Comment The storage benchmarking world is broken because there are no realistic and pratical storage benchmarks with realistic workloads customers can apply to systems. So says storage analyst Howard Marks, and he aims to fix this mess with the help of a consortium of industry players. He says the world of storage …
Chris Mellor, 23 Aug 2016

Nimble shows that its all-flashers start small – and grow bigger

Nimble Storage has a new generation of hybrid Adaptive Flash arrays – the CS Thousand Series – plus a new all-flash array entry-point, the AF1000. The all-flash AF series was announced earlier this year, and Nimble has now added a cheaper AF1000 entry-level system. If you buy this, you can scale up and also out through the …
Chris Mellor, 11 Aug 2016
ExaFlash D-Series

ExaFlash: Cheap, dense, energy-sipper will 'empower humankind'

+Comment Nimbus Data has announced its scale-out ExaFlash all-flash array at the Flash Memory Summit, with four models ranging up to 4.5PB raw capacity in 4U. The claims are pretty big and prompt the question: "Is this for real?" Nimbus' overall claims for ExaFlash start from scale and rackspace density and ultimately encompass " …
Chris Mellor, 09 Aug 2016

How the HTTPS-snooping, email addy and SSN-raiding HEIST JavaScript code works

Black Hat Malicious ads can potentially masquerade as people online and grab their personal information from HTTPS-protected websites, two boffins have shown. The technique is dubbed HEIST – HTTP Encrypted Information can be Stolen through TCP-Windows – and it was devised by Tom Van Goethem and Mathy Vanhoef, both PhD researchers at the …
Iain Thomson, 05 Aug 2016
Man in a suit drinking tea out doors reading from his tablet

GNU Guix emits next beta

The GNU Guix project, which last December was adopted by the Free Software Foundation for fundraising support, has a new beta release. Version 0.11.0 of the package manager and its associated systems distribution (GuixSD) comes with USB installation images for installation from source or from binaries. The project highlights …
HTTP/2 flow diagram

Two first-gen flaws carried over to HTTP/2, warn security bods

Black Hat Security researchers have unearthed four high-profile vulnerabilities in HTTP/2, a new version of the protocol. HTTP/2 introduces new mechanisms that effectively increase the attack surface of business critical web infrastructure, according to a study by researchers at data centre security vendor Imperva and released at the …
John Leyden, 03 Aug 2016

Panzura primps file sync 'n' share replication tech

File sync and sharer Panzura has announced its new SMARTSync tech, which it says will reduce the amount of info sent between sites in a sync-and-share network and speed sharing. The company's CloudFS technology is based on a single name space and global filesystem with on-premises or cloud-based tiered GFS controllers acting …
Chris Mellor, 26 Jul 2016
Battle for ctrl

Washed out summer? Fear ye not: DVDs for DevOps droogs

Stob Hurrah! Summer is at last well under way, so how better to pass the weekends than pulling the curtains on the rainscape, lolling on the sofa and inhaling a few dozen hours of downloaded TV? I am aware that such an introduction sets up certain expectations. However, rather than treat you to ill-informed speculation regarding …
Verity Stob, 26 Jul 2016
Mellanox bluefield

Mellanox plans to SoC it to storage speed with Multi-ARM BlueField

InfiniBand and Ethernet adaptor biz Mellanox has storage acceleration SoCs coming to provide faster external array access across NVMe fabrics. Mellanox CEO Eyal Waldman talked about NVME over Fabrics (NVMeF) in his company's second quarter 2016 earnings call. His company makes InfiniBand and Ethernet networking devices, and is …
Chris Mellor, 22 Jul 2016

Run Dropbox compression

Dropbox has open-sourced its very own compression code. Available on GitHub the "Lepton" code “... achieves a 22% savings reduction for existing JPEG images, by predicting coefficients in JPEG blocks and feeding those predictions as context into an arithmetic coder." Dropbox's announcement of the release explains the tech in …
Simon Sharwood, 18 Jul 2016
Grandmotherly woman knits. Photo by shutterstock

Florida U boffins think they've defeated all ransomware

Researchers from the University of Florida and Villanova University reckon ransomware can be stopped by watching what it's doing to the target's files. Taking a “save what you can” approach, the authors of this PDF reckon in their tests they were able to lower the boom on ransomware when it had encrypted just 0.2 per cent of …

So. Farewell then, BlackBerry Classic. You were a classic ... of sorts

BlackBerry has confirmed it won’t make any more BlackBerry Classics, marking the end of an era. US Senate staff were told BlackBerry was ceasing production of all BB10 devices but BlackBerry denies this, and insists that only the Classic production line has halted for good. “It has been an incredible workhorse device for …
Andrew Orlowski, 06 Jul 2016

IBM storage has a new boss: The same one it had six years ago

IBM has a new storage boss, Ed Walsh, Storage Division General Manager, replacing interim GM Greg Lotko who keeps his VP development slot in the unit. Walsh had been CEO and president of copy data management company Catalogic since July 2014. He joined Big Blue for the first time in 2010 when it bought Storwize, a storage …
Chris Mellor, 01 Jul 2016
The Incredible Shrinking Man

Permabit offers deduplication to Linux masses – almost

Permabit has moved beyond OEMs, making the latest release of its dedupe technology available as a Linux software package so that ISVs, professional services folks and systems integrators in its Hybrid Cloud Professional Services partners programme can use it. Previously it was available to OEMs in Albireo (dedupe) and Virtual …
Chris Mellor, 29 Jun 2016
Harry Potter

All right, pet? Getting owlish about Hedvig

Comment Trying to position Hedvig's software-defined storage in a market function way is next to impossible as the software is so flexible. And that could be a brilliant position for Hedvig to be in. The startup's distributed storage platform can provide storage for traditional workloads, new-style containerised workloads, hyper- …
Chris Mellor, 28 Jun 2016

Hyperconverger Springpath pivots to OEM channel. Yes, we said pivots. What of it?

Hyperconverged software startup Springpath is on a Cisco express hurtling to assault the market and bring UCS server-based HyperFlex systems to prominence. Springpath CEO Terry Cunningham joined in May 2015, coming from running EVault, the cloud backup service unit of Seagate, which Seagate folded back into its own …
Chris Mellor, 27 Jun 2016

Libarchive needs patching again

Users, developers, sysadmins – World+Dog, really – need to get busy patching libarchive, after Cisco Talos researchers turned up three new vulnerabilities. Described here, the bugs all relate to input validation. CVE-2016-4300 is a heap overflow in its handling of 7zip files: a malicious file can cause an integer overflow, …

Contain yourself – StorageOS is coming

DockerCon StorageOS is a UK-based startup offering simple and automated block storage to stateless containers, giving them state and the means to run databases and other applications that need enterprise-class storage functionality without the concomitant complexity, rigidity and cost. It runs as a container in a Linux system and …
Chris Mellor, 20 Jun 2016
Tom Marshburn (L), Roman Romanenko (C) and Chris Hadfield (R) squeeze into a Russian Soyuz-TMA capsule shortly before their return to Earth.

Can NetApp's 4KB block writes really hold more data?

COmment NetApp announced compaction as an extra form of data reduction in ONTAP v9.0. What is it? Compaction applies to NetApp’s all-flash FAS arrays. A blog post by Adam Bergh, data centre practise lead at Presidio, explains that multiple IOs can be written more efficiently, from a WAFL space point of view, if they are stored in a …
Chris Mellor, 13 Jun 2016
Attack film poster

Nimbus Data CEO shoots from the hip at NetApp's SolidFire buy

Nimbus Data CEO Thomas Isakovich thinks NetApp's purchase of SolidFire is its final great mistake. He told us: “SolidFire’s poor density and egregiously high energy consumption violate the very customers they are trying to appeal to: cloud builders that have to pay for data center rack space and power bills. We suspect that …
Chris Mellor, 09 Jun 2016
Fingers crossed

SolidFire offers 'pay as you grow' deals to fight off software upstarts

Storage architect If you’ve ever had to scope out and purchase enterprise storage, you’ll know what a nightmare it can be. Vendors love to make the process as opaque as possible, with quotes that run into multiple pages and dozens of line items – including bezels and racks. Consider also the issue of adding more hardware (e.g. drives and …
Chris Evans, 08 Jun 2016
Iris flowers

'Limitless enterprise storage'. Really? Digging deeper into Symbolic IO

Backgrounder Remember the company we wrote about yesterday? The startup with the startling technology which claimed its storage and compute technology could run database queries 60 times or more faster than other systems, and offers ”limitless enterprise storage". Well here's a Q&A that sheds a little more light on the tech. The main …
Chris Mellor, 02 Jun 2016

Does it even make sense to buy a VTL today?

Blog I’ve never been fond of VTLs (virtual tape libraries). I like deduplication but it quickly became a feature and is not a product. And lately we all want more out of backups, don’t we? Data Domain did a great job in building a brilliant deduplication-based appliance in 2001, but that was 2001. And, while it lasted, having the …
SQL Server 2016 supports hybrid cloud as well as on premises deployment

SELECT features FROM bumf... What's new in MS SQL Server 2016

Microsoft has released SQL Server 2016, adding new security features, improved query profiling, Hadoop integration, hybrid cloud capabilities, and R analytics to its database server, along with numerous other improvements. Calling SQL Server a "database server" does not do justice to its scope. The main components are: …
Tim Anderson, 01 Jun 2016
The Twin Jet Nebula. Pic: ESA/Hubble & NASA

This storage upstart knows its technical onions: Symbolic IO

Analysis Symbolic IO is a startup that claims its storage and compute technology can run database queries 60 times or more faster than other systems, and offers ”limitless enterprise storage.” It was founded in 2012 by Brian Ignomirello, a former CTO of Hewlett Packard’s Global storage unit, and secured $1.4m in debt financing in 2013 …
Chris Mellor, 01 Jun 2016

Disk death: Three-quarters of PCs will run SSDs by 2020

Total disk drive shipments are going to plummet by 2020, with raw SSD cost getting cheaper than disk and SSDs taking over from disk in notebooks. Analyst haus Stifel Nicolaus's MD, Aaron Rakers, has taken a close look at Gartner’s HDD and SSD projections over the next few years. He writes: “Gartner is currently forecasting …
Chris Mellor, 31 May 2016

Feinstein-Burr's bonkers backdoor crypto law is dead in the water

A proposed piece of US legislation that would have required American tech companies to cripple the encryption in their products is dead in the water. The daft bill was championed by Senators Richard Burr (R‑NC) and Dianne Feinstein (D‑CA) in February following an increasingly rancorous debate over encryption, and at one point …
Kieren McCarthy, 27 May 2016

Dedupe, dedupe, dedupe dedupe dedupe... Who snuck in to attack Microsoft Edge?

Security researchers have discovered a means to use previously unknown vulnerabilities found in in-memory deduplication to attack otherwise well-defended systems. The well-known standard compression technique, which is ubiquitous as a way of reducing the memory footprint across virtual machines, is also a by-default feature …
John Leyden, 27 May 2016