Answering Your Questions on EDSFF

Jonmichael Hands
We had a tremendous response to our webcast asking if we were truly at the end of the 2.5-inch disk era. SNIA Compute, Memory, and Storage Initiative SSD Special Interest Group brought together experts from Dell, Facebook, HPE, JEDEC, KIOXIA, Lenovo, and Microsoft in a lively follow on to the Enterprise and Data Center SSD Form Factor (EDSFF) May 2020 discussions at OCP Summit,. If you missed our live webcast – watch it on demand. Webcast attendees raised a variety of questions.  Our experts provide answers to them here: Q:  SFF_TA_1006 suggests E1.S can support max 25W for 25mm asymmetric heat-sink. What are the air-flow assumptions for this estimate? Are there any thermal models and test guidelines available for EDSFF form-factors? Read More

An FAQ on RAID on the CPU

Paul Talbut Leave a comment

A few weeks ago, SNIA EMEA hosted a webcast to introduce the concept of RAID on CPU. The invited experts, Fausto Vaninetti from Cisco, and Igor Konopko from Intel, provided fascinating insights into this exciting new technology.

The webcast created a huge amount of interest and generated a host of follow-up questions which our experts have addressed below. If you missed the live event “RAID on CPU: RAID for NVMe SSDs without a RAID Controller Card” you can watch it on-demand.

Q. Why not RAID 6?

A. RAID on CPU is a new technology. Current support is for the most-used RAID levels for now, considering this is for servers not disk arrays. RAID 5 is primary parity RAID level for NVMe with 1 drive failure due to lower AFRs and faster rebuilds.

Q. Is the XOR for RAID 5 done in Software?

A.Yes, it is done in software on some cores of the Xeon CPU.

Q. Which generation of Intel CPUs support VROC?

Read More

How Can You Keep Data in Transit Secure?

AlexMcDonald
It’s well known that data is often considered less secure while in motion, particularly across public networks, and attackers are finding increasingly innovative ways to snoop on and compromise data in flight. But risks can be mitigated with foresight and planning. So how do you adequately protect data in transit? It’s the next topic the SNIA Networking Storage Forum (NSF) will tackle as part of our Storage Networking Security Webcast Series.  Join us October 28, 2020 for our live webcast Securing Data in Transit. In this webcast, we’ll cover what the threats are to your data as it’s transmitted, how attackers can interfere with data along its journey, and methods of putting effective protection measures in place for data in transit. We’ll discuss: Read More

Not Again! Data Deduplication for Storage Systems

AlexMcDonald
As explained in our webcast on Data Reduction, “Everything You Wanted to Know About Storage But Were Too Proud to Ask: Data Reduction,” organizations inevitably store many copies of the same data. Intentionally or inadvertently, users and applications copy and store the same files over and over; with developers, testers and analysts keeping many more copies. And backup programs copy the same or only slightly modified files daily, often to multiple locations and storage devices.  It’s not unusual to end up with some data replicated thousands of times, enough to drive storage administrators and managers of IT budgets crazy. So how do we stop the duplication madness? Join us on November 10, 2020 for a live SNIA Networking Storage Forum (NSF) webcast, “Not Again! Data Deduplication for Storage Systems”  where our SNIA experts will discuss how to reduce the number of copies of data that get stored, mirrored, and backed up. Attend this sanity-saving webcast to learn more about: Read More

A Q&A on Data Literacy

Jim Fister
The SNIA Cloud Storage Technologies Initiative (CSTI) recently hosted a conversation with Glyn Bowden from HPE that I moderated on “Using Data Literacy to Drive Insight.”  In a wide-ranging conversation just over 45 minutes, we had a great discussion on a variety of topics related to ensuring the accuracy of data in order to draw the right conclusions using current examples of data from the COVID-19 pandemic as well as law enforcement. In the process of the dialog, some questions and comments arose, and we’re collecting them in this blog. Q. So who really needs Data Literacy skills? A: Really, everyone does.  We all make decisions in our daily life, and it helps to understand the provenance of the information being presented.  It’s also important to find ways to the source material for the data when necessary in order to make the best decisions. Everyone can benefit from knowing more about data.  We all need to interpret the information offered to us by people, press, journals, educators, colleagues, friends. Q. What’s an example of “everyone” who needs data literacy? Read More

An FAQ on Data Reduction Fundamentals

John Kim
There’s a fair amount of confusion when it comes to data reduction terminology and techniques. That’s why the SNIA Networking Storage Forum (NSF) hosted a live webcast, “Everything You Wanted to Know About Storage But Were Too Proud to Ask: Data Reduction.”  It was a 101-level lesson on the fundamentals of data reduction, which can be performed in different places and at different stages of the data lifecycle. The goal was to clear up confusion around different data reduction and data compression techniques and set the stage for deeper dive webcasts on this topic (see the end of this blog for info on those). As promised during the webcast, here are answers to the questions we didn’t have time to address during the live event. Q. Does block level compression have any direct advantage over file level compression? Read More

Optimizing NVMe over Fabrics Performance Q&A

Tom Friend
Almost 800 people have already watched our webcast “Optimizing NVMe over Fabrics Performance with Different Ethernet Transports: Host Factors” where SNIA experts covered the factors impacting different Ethernet transport performance for NVMe over Fabrics (NVMe-oF) and provided data comparisons of NVMe over Fabrics tests with iWARP, RoCEv2 and TCP. If you missed the live event, watch it on-demand at your convenience. The session generated a lot of questions, all answered here in this blog. In fact, many of the questions have prompted us to continue this discussion with future webcasts on NVMe-oF performance. Please follow us on Twitter @SNIANSF for upcoming dates. Q. What factors will affect the performance of NVMe over RoCEv2 and TCP when the network between host and target is longer than typical Data Center environment? i.e., RTT > 100ms Read More

Keeping Up with 5G, IoT and Edge Computing

Michael Hoard
The broad adoption of 5G, Internet of things (IoT) and edge computing will reshape the nature and role of enterprise and cloud storage over the next several years. What building blocks, capabilities and integration methods are needed to make this happen? That will be the topic of discussion at our live SNIA Cloud Storage Technologies webcast on October 21, 2020 “Storage Implications at the Velocity of 5G Streaming.” Join my SNIA expert colleagues, Steve Adams and Chip Maurer, for a discussion on common questions surrounding this topic, including:  Read More

An FAQ on the “Fine Print” of Cyber Insurance

Paul Talbut
Last month, the SNIA Cloud Storage Technologies Initiative, convened experts, Eric Hibbard and Casey Boggs, for a webcast on cyber insurance – a growing area to further mitigate risks from cyber attacks. However, as our attendees learned, cyber insurance is not as simple as buying a pre-packaged policy. If you missed the live event “Does Your Cyber Insurance Strategy Need a Tune-Up” you can watch it on-demand. Determining where and how cyber insurance fits in a risk management program generates a lot of questions. Our experts have provided answer sto them all here: Q. Do “mega” companies buy cyber insurance or do they self-insure? A. Many Fortune 500 companies do carry cyber insurance. The scope of coverage can vary significantly. Concerns over ransomware are often a driver. Publicly traded companies have a need to meet due care obligations and cyber insurance is a way of demonstrating this. Q. Insurance companies don’t like to pay out. I suspect making a claim is quite contentious? Read More

Composable or Computational – Your Questions Answered!

Eli Tiomkin
Our recent webcast on Composable Infrastructure and Computational Storage raised some interesting questions. No need to compose your own answers – my co-presenter Philip Kufeldt and I answer them here! You can find the entire webcast video along with the slide PDF in the SNIA Educational Library. We also invite you and your colleagues to take 10 and watch three short videos on Computational Storage topics. Q (I’m) a little confused about moving data across, for example, NVMe-oF, as it consumes DDR bandwidth. Can you elaborate? Read More