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Intel, the world leader in silicon innovation, develops technologies,
products and initiatives to continually advance how people work and live.
Additional information about Intel is available at www.intel.com/pressroom. |
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See also:-
Intel
- editor mentions on StorageSearch.com and
Intel's
SSD page |
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Who's
who in SSD? - Intel
by
Zsolt Kerekes,
editor January 2013
Intel was ranked #18 in
the
top SSD companies (Q4
2012), and has never been listed in the
fastest SSDs.
Intel
is 1 of more than 100 companies in the
2.5" SSD market,
and 1 of more than 50 companies in the
PCIe SSD market.
Intel
has used SSD controllers
from a range of companies - including (in the past year)
LSI.
Intel
SSDs in the modern era
Intel entered the SSD market in
2007.
The company's products since then have mainly appealed to the consumer and
embedded markets. Intel was dumped by some enterprise SSD arrays makers who used
its early genereations of SSDs for reasons said to be related to design
flaws and recalls which affected performance stability and reliability.
Part
of Intel's SSD learning curve involved designing some really bad SSDs - which
demonstrated the company's lack of knowledge about the fundamental building
blocks needed to design a reliable storage drive.
In the summer of
2011 - after yet another SSD / firmware recall - this led me to comment - "If
Intel's SSD design business was a horse - it would have been shot a long time
ago and put out of its misery..." Intel's customers have painfully
learned that there's a lot more to designing SSDs than soldering a bunch of
memory chips to a controller and host interface. Intel's designers should have
known that too.
Despite those earlier problems, however, one of Intel's
more recent enterprise SSD oem customers - Cisco - has publicly endorsed
Intel as a valued SSD supplier.
In the long term I expect Intel will
buy an SSD company
or continue leveraging 3rd party SSD controllers and IP.
Intel
vs FIO?
Some readers have asked me what I think about Intel's
PCIe SSDs compared to those from
Fusion-io? But
although those types of artificial comparisons are often seen in magazine
benchmarks and investment sites they aren't naturally head to head competitors
for most serious users in my view.
In some high transaction rate SSD
environments Intel's SSDs have been reported by several readers to
wear out
more quickly than more expensive true enterprise SSDs. The results shouldn't
be a surprise to anyone who reads the datasheets - but some end-users aren't
savvy enough to recognize that there are different
application silos within
enterprise SSDs.
Put the wrong type of SSD in the wrong
place and instead of being the
cheap option - it
can become the expensive option when it inevitably fails in service.
And
last year (April 2012) Intel launched a PCIe SSDs which in my analysis looked
like it could wear out in less than 6 months if used 24x7 at its full
rated speed.
Intel also has also done many
SSD firmware recalls
and had products which were reported to suffer from
power supply
corruption vulnerabilities.
Is there a market for such
products?
Sure - it's the consumer market - and some parts of the
enterprise market where the performance stress levels are not so demanding.
There's no such thing as the perfect SSD which is a good competitive
fit for all markets. And in that respect Intel is no different to any other SSD
company. The only problem is that it's natural for users to expect more - given
Intel's past successes in computing.
My view is that Intel isn't
good enough yet at leading edge mission critical SSDs. And although it
keeps trying to get better at SSD, and will no doubt greatly improve its core
SSD competencies my guess is it won't be one of the top thought
leaders in this phase of the market where change is happening so fast - and
the market change drivers appear to mystify companies - like Intel - which
don't have true native SSD DNA.
You shouldn't be surprised by that.
Intel has never been a customer responsive company. They're used to creating
standards rather than adapting to them . That's why they failed in ASIC and
phones.
Does it matter that Intel, while being a world leading
semiconductor company, doesn't have true grit - in the SSD sense?
No
and Yes.
No - because the SSD market is big enough and diverse enough
to soak up millions of Intel SSDs even if the company isn't the best at the
sharp end of the enterprise server space.
Yes - and why I'm sure that
Intel will continue to engage in the SSD market is because:- it can't afford
not to.
SSD-CPU
equivalence means that processors and SSD storage will inevitably become
more tightly coupled on motherboards. And if a dividing line is made - then the
processor is the commodity and the SSD is the application specific value add -
where the dollars and the profit lie.
And Intel's history shows it
hates the idea of being a commodity chip supplier. |
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Intel was a pioneer in
SSD market
history. But then took a 20 year sabbatical.
In the
early 1980s - Intel shipped an SSD based on
magnetic bubble
memory technology which emulated a 1Mb floppy drive. (I had one of the
evaluation kits.) But this early foray into solid state storage didn't meet
Intel's need for scalability either as a technology or as a business. So Intel
spun off the magnetic division in 1987 to
Memtech. Memtech
ditched bubble memory but became a pioneer in the rugged and military flash SSD
market (an example product was the
3.5" PATA
compatible Wolverine). In August 2005 Memtech was acquired by
STEC.
Intel's
troubled past with memory products - (many of which it had invented - but
abandoned to Asian competitors) was probably a factor in delaying its decision
to re-enter the SSD market till 2007 - which
was 2 years after Samsung
had publicly declared this to be a strategic market. Within a few years of this
re-entry, however, Intel was shipping
2.5" SSDs with
performance specs superficially better than the
leading products
previously available from Asian companies (Mtron and
Memoright).
Intel's
troubled present with SSDs - In the rush to gate crash the
frothing SSD market
bubble, and lacking vital end-user storage industry experience -
Intel has produced succeeding products (up to 4 SSD recalls, upgrade fixes or
delayed shipments according to industry estimates) with undesirable
halo effects or
flaky operation -
which have seriously dented its reputation among designers of enterprise class
SSD arrays.
In
October 2008 - Intel
started shipping the X-25E - a
fast
2.5" 32GB
SATA SLC
flash SSD. Read
latency is 75 microseconds and a 10 parallel channel architecture enables it to
sustain R/W throughputs of 250 / 170 MB/s. Random IOPS performance is
impressive with a 10 to 1 R/W ratio which is inline with the best
designed enterprise flash SSDs. Using 4kB blocks - random R/W IOPS are 35,000
and 3,300 respectively.
In his October 2008 blog, Linux
creator Linus Torvalds
wrote about his own
experience
with Intel's new SSD. Just as relevant are the many comments which followed
about better (and worse) products.
In December 2008 -
Hitachi and
Intel announced they were
jointly designing a new range of high IOPS flash SSDs with
Fibre Channel and
SAS interfaces for
the server market. The new products, which will be exclusively marketed by
Hitachi GST - are expected to ship in Q1 2010.
In January 2009
-
Kingston Technology
announced it will sell rebranded high speed SSDs supplied by
Intel as Kingston's
SSDNow E Series.
In February 2009 -
Solid Data Systems
published a Test
of Intel's X25 Flash SSD Performance (pdf). The white paper reveals the
degradation in performance in Intel's headlining SSD, due to weak garbage
collection. This is something which had been known about in the industry - but
not in this level of detail (except under NDA).
In April 2009
- a report on TGDaily.com
said that Intel
is EOLing its
Z-P230
SSD module which was aimed at the netbook market. If you look at the
1.0" SSDs directory
here on StorageSearch.com you'll
see that 25 companies now make SSD chips, DOMs or modules designed to
fit into very small footprints.
In July 2009 - Intel announced a
process
shrink for its
X25-M -
SATA 2.5" MLC flash SSD. The new 34nm devices deliver upto 8,800
(4KB) write IOPS and up to 35,000 read IOPS. R/W speeds are 250MB/s and 70MB/s
respectively. R/W latenciy is 65µS and 85µS. The 160GB model is
priced at $440 (1,000 unit price point).
In September 2009
- Pillar dumped
Intel SSDs due to
flaky operation and
switched
to STEC. Maybe they
should have spent a bit more time qualifying the Intel product beforehand - or
done a better job at it?
Also in September 2009 -
Kevin T Crow, Strategy Specialist, NAND Solutions Group, -Intel shared his
SSD Bookmarks
with readers of
StorageSearch.com.
In
October 2009 - Intel
joined the growing roster of SSD
companies who have
announced
support for Trim functions. These benefit flash SSDs which don't have
internal fast active garbage collection. The company recommends users install
the firmware update and toolbox, and run the Trim function daily to ensure best
performance.
In February 2010 -
Intel and Micron announced they
are sampling the
world's
1st 25nm NAND flash memory. This gives 8GB MLC (classic 2 bit)
flash memory in a
stackable TSOP.
In July 2010 - the terrible tale of one
enterprise customer hitting
endurance limits
with Intel's SSDs
was mentioned in an
interview with
Fusion-io's CEO.
In September 2010 -
Intel's SSD
Bookmarks on StorageSearch.com
were updated with new links to help prospective enterprise SSD users.
In
November 2010 - Intel Capital led a $32 million funding round into
Anobit (an
SSD controller
company).
In
March 2011 - Intel
published version 1.0 of a new proprietary standard for designers of
PCI SSDs in systems
which use Intel processors - the
NVM Express Optimized PCI
Express SSD Interface.
Intel launched a new
2.5" SSD aimed at
legacy notebook
designs which have 3Gbps SATA
ports. The
Intel
SSD 320 (which includes 128 bit encryption) is available with MLC
capacities from 40GB ($89 1k price) to 600GB ($1,069 1k). R/W speeds are
270MB/s and 220MB/s respectively. R/W
IOPS are
39,500 and 23,000. In this new design , Intel has added redundancies that
will help keep user data protected, even in the
event of a
power loss.
In October 2011 - an article in
VR-Zone
discusses a "leaked" Intel SSD roadmap which indicates the company may
enter the PCIe SSD
market in 2012. It's hardly a revelation - because Intel is member of
technical groups which are
co-ordinating standards in this segment of the SSD market - and until standards
for the Hybrid Memory Cube get
established (which could take another 3 years) - the PCIe SSD market is the
closest attachment that an SSD can make to an Intel server host processor bus.
And it has the additional attraction of not needing 3rd party
storage interface glue -
unlike SATA,
SAS,
FC and
IB - thereby giving
more control to any chip company which does it right. Over 30 companies have
already shipped PCIe SSDs in the past 3 years. This will be a multi-billion
dollar market segment according to StorageSearch.com's long range enterprise
SSD market model.
In January 2012 -
Intel
announced
an agreement to acquire the
InfiniBand related
product lines, IP and business assets of
QLogic.
In February
2012 - Intel
announced
it has used SandForce
controllers for the first time in its new (and fastest) SATA 3 2.5"
SSD - the
Intel
SSD 520 - which (with upto 80K R/W IOPS peak - 4KB) is aimed at gaming, CAD
and graphics content creation markets.
In April 2012 -
Intel
launched
a new fast-enough
PCIe MLC SSD - the
910
Series has upto 800GB capacity ($3,859) and 180K / 75K R/W IOPS (4K blocks).
UBER is 1 sector per 1016 bits read.
In July 2012 -
Intel
acquired
NEVEX - (an
SSD software company
with products in the SSD
caching market. |
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| Intel oems LSI's RAID
caching SSD technology |
Editor:- April 8, 2013 - Intel - which already
uses LSI's
SandForce controllers in some SSDs - will oem LSI's dual-core RAID-on-Chip
flash caching technology it was announced today.
LSI says their
caching technology can double the number of VDI sessions supported in the same
sever and flash environment.
See also:-
SSD caching news,
RAID and SSDs,
SSD controllers | | |
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Can you
trust SSD market data? Recent Strategic
Transitions in SSD the Survivor's
Guide to Enterprise SSDs the big market impact of
SSD dark matter Efficiency
- making the same SSD - with less flash |
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| Intel paper
- Data Integrity on 20nm flash SSDs |
Editor:- August 22, 2012 - "Avoid skepticism
and seek understanding" - is one of the calls to action in
Intel's
paper - Data Integrity on 20nm SSDs (pdf) - presented today at the Flash Memory Summit
In
a bold move at the start, the author - Robert Frickey - brings to the
fore the subject of flaky
SSDs and firmware bugs and recalls - naming several SSD vendors in this
context - including Intel.
He says "Despite datasheet metrics,
it's not easy to predict behavior of SSDs in the field. Validation should be
considered as part of data integrity."
Even if you've already read
many other articles on
SSD data integrity
- this paper clearly communicates some fundamentals about flash cells and
the variety of different types of disturb errors which makes it a useful
educational document.
In tone with what some other leading SSD
companies are saying too - the author urges you to "Understand your
usage model and
endurance
requirements. Innovate around application needs." ...read
the article (pdf) | | |
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"Intel
would like to be where Fusion-io's SSDs are now... snuggling
up close to the host CPU." |
| ...October 2011 editor's comment
in
PCIe SSD news | | |
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| How are
fault tolerant PCIe SSD designs supported in chips? |
| PCIe in
enterprise SSD designs - this video by PLX includes an
introductory tutorial into PCIe and its performance and architectural
capabilities for SSDs including automatic failover and multi-host capabilities. |
| PLX's switch chips also supports failover if
the fault occurs in the PCIe switch fabric chips themselves. |
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extract - "...And in case one of the hosts fails
and you want to connect the SSDs - or the devices connected to that host - to
another host - that can be done automatically as well - and the surviving host
can attach the devices that were attached to the failing host to itself and
control it so that the system doesn't go down and the data stored in these
devices doesn't get isolated from the main system." | | | |
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| what's the life-time of
Intel's new PCIe SSD? |
Editor:- April 12, 2012 - Intel today
launched
a new fast-enough
PCIe MLC SSD - the
910
Series has upto 800GB capacity ($3,859) and 180K / 75K
R/W IOPS (4K
blocks). UBER is 1 sector per 1016 bits read.
Editor's
comments:-
endurance is
quoted as 14PB - which assuming a 1 in 3 write to read ration and maximum
throughput rates (1GB/s writes and 2GB/s reads respectively) means the device
could wear out in less than 3 months. That would require an artificially created
scenario of R/W activity to achieve - but indicates that enterprise users
still have to worry about the safety margins of various
flash flavors
in intense server apps.
Another way Intel quotes the same endurance
is it "allows up to 10 full drive writes a day for 5 years." That's
a perfectly valid way to describe enterprise SSDs - and other SSD vendors (STEC etc) use the same
kind of formula - but a good enough figure for a
SAS SSD may not be what
you need in a PCIe SSD and it demonstrates the difference between general
purpose and intensive caching roles.
I've heard many stories about
enterprise SSD customers whose SSDs did wear out after 3 to 6 months. |
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The answer is to buy the
right kind of SSD for the particular apps environment - preceeded by
measurement, analysis and
modelling of what the SSD workload is likely to be. | | | |
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| Intel's fastest SSD uses
SandForce inside |
Editor:- February 6, 2012 - Intel today
announced
it has used SandForce
controllers for the first time in its new (and fastest) SATA 3 2.5"
SSD - the
Intel
SSD 520 - which (with upto 80K R/W IOPS peak - 4KB) is aimed at gaming, CAD
and graphics content creation markets. Price- based on 1,000-unit quantities
is - 60GB for $149, 120GB at $229, 180GB at $369, 240GB at $509 and 480GB at
$999.
|
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"We worked closely with
Intel to leverage their deep understanding of the NAND flash, ultimately
providing a unique and optimized solution for client computing applications with
the LSI SandForce Flash Storage Processor," said Michael Raam, VP
and GM of LSI's Flash Components Division. | | | |
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| SSD power down
management |
Why should you care
what happens in an SSD when the power goes down?
This important design
feature - which barely rates a mention in most SSD datasheets and press releases
- has a strong impact on
SSD data integrity
and operational
reliability.
This article will help you understand why some
SSDs which (work perfectly well in one type of application) might fail in
others... even when the changes in the operational environment appear to be
negligible. |
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| First you learned about SLC
(good flash). |
Then you learned about MLC (naughty
flash when it played in the enterprise - but good enough for the short
attention span of consumers).
Then MLC SSDs learned how to be good.
Now some MLC is much nicer than others. - When it's preceded by an "e"
(extra-good). But it costs more.
But other people say you don't need
the expensive "e" - because their controllers empathize better
with naughty flash. (They really care about naughty flash being sent to bad
block jail too soon.)
Is your head ready to explode yet?
It's going to get even more complicated.
......from
sugaring MLC for
the enterprise | | |
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| don't all PCIe SSDs
look pretty much the same? |
When you look at the
photos and headline specs for high speed PCIe SSDs - it's easy to come away with
the impression that they all look the same and have about the same performance.
After
all - how different can they be? |
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