Feeds

Hitachi kicks open Door 4 in the House of Spinning Platters

Enter the Microwave Magnetic Dragon

Combat fraud and increase customer satisfaction

Where do we go from here?

Seen from El Reg MMR would seem to be a possible replacement for Shingled Writes. That technology has a disadvantage in that, when existing data is rewritten, multiple tracks have to be rewritten, because tracks overlap; this takes time, slowing the write process and obviously affecting hard drive performance.

MMR would appear to have no need to overlap tracks and thus not affect write I/O timing.

There is no information about the general expense of developing MMR technology, and no mention of any recording media restructuring to ensure that bits retain their state, without being susceptible to random temperature fluctuations or the influence of neighbouring bits.

It would seem logical that, just as with HAMR, a reformulated recording medium will be needed to ensure bit stability at the areal density levels mentioned.

It might also be possible that MMR could be used as an alternative to HAMR as well, taking us straight to BPM but this is more guesswork on my part, so treat it as such.

We don't know if the ASTC - the hard disk drive industry's Advanced Storage Technology Consortium, chartered to find a common HDD industry and supply chain technology roadmap - is considering MMR. It would be very odd if it were not, especially since Hitachi GST is a founding member.

The MMR research was carried out under the auspices of NEDO's Development of Nanobit Technology for Ultra-high Density Magnetic Recording (Green IT Project). Apparently Hitachi GST and the Data Systems Storage Center (DSSC) at Carnegie Mellon University are jointly working on MMR technology. ®

Combat fraud and increase customer satisfaction

More from The Register

next story
This time it's 'Personal': new Office 365 sub covers just two devices
Redmond also brings Office into Google's back yard
Kingston DataTraveler MicroDuo: Turn your phone into a 72GB beast
USB-usiness in the front, micro-USB party in the back
Dropbox defends fantastically badly timed Condoleezza Rice appointment
'Nothing is going to change with Dr. Rice's appointment,' file sharer promises
BOFH: Oh DO tell us what you think. *CLICK*
$%%&amp Oh dear, we've been cut *CLICK* Well hello *CLICK* You're breaking up...
AMD's 'Seattle' 64-bit ARM server chips now sampling, set to launch in late 2014
But they won't appear in SeaMicro Fabric Compute Systems anytime soon
Amazon reveals its Google-killing 'R3' server instances
A mega-memory instance that never forgets
Cisco reps flog Whiptail's Invicta arrays against EMC and Pure
Storage reseller report reveals who's selling what
prev story

Whitepapers

Securing web applications made simple and scalable
In this whitepaper learn how automated security testing can provide a simple and scalable way to protect your web applications.
3 Big data security analytics techniques
Applying these Big Data security analytics techniques can help you make your business safer by detecting attacks early, before significant damage is done.
The benefits of software based PBX
Why you should break free from your proprietary PBX and how to leverage your existing server hardware.
Top three mobile application threats
Learn about three of the top mobile application security threats facing businesses today and recommendations on how to mitigate the risk.
Combat fraud and increase customer satisfaction
Based on their experience using HP ArcSight Enterprise Security Manager for IT security operations, Finansbank moved to HP ArcSight ESM for fraud management.