Learn why iSCSI Storage is infiltrating enterprise data centers!

iSCSI Storage has long been regarded as a perfect fit for small and medium scale businesses, than enterprise data centers. This was due to the fact that many storage seekers were in an opinion that iSCSI performance still comes up short compared to FC over the past few years.

But in recent times, things have changed and are favoring iSCSI storage technology to a vast extent. This is due to the fact that, over a couple of years, a number of factors have converged to propel iSCSI storage to a greater presence among enterprises than in the mid market.

According to Framingham based IDC, iSCSI market grew by 23% of the total networked storage market in the third quarter of 2014, while Fibre Channel market share has dropped by 26%.

Factors like market dynamics, advancements in iSCSI gear and related technologies, and the economy have contributed to the increasing adoption of this storage networking protocol.

An IT admin from University of Alaska Fairbanks is willing to speak further on why his organizations chose to transform its database from NFS to iSCSI. Due to some reasons, the name of the admin has been withheld. According to the IT Administrator, iSCSI offers enthralling benefits which are lined up below:

  • ISCSI SAN performance and efficiency has gained a lot of audiences in virtual server environments. If iSCSI SANs are implemented with the best practices, then they can surely yield more than a storage experts expectations.
  • A Fibre channel SAN needs special switches and expertise, whereas, iSCSI implementation and management is like a breeze.
  • Server Virtualization trend has also contributed to iSCSI’s growth. Many of the advantages of virtual servers come from having a networked storage and these servers already have Ethernet connections. Another boost is the rise of multiprotocol, or unified storage systems packed into a single box which offers iSCSI and Network attached storage for block and file storage.
  • First time SAN users are turning into patrons of iSCSI, as they do not have to invest in the training and expertise which is otherwise required in FC infrastructure.
  • For companies where price becomes more of an issue, iSCSI storage is like a boon, as they can get the best storage infrastructure for a nominal cost. They are many companies which turned up towards more of a commodity solution like iSCSI, due to the high costs involved in FC infrastructure.
  • A gradual replacement of Gigabit Ethernet with 10 GbE and probably with a 100 GbE in coming years will surely boost the sales of iSCSI in coming years.
  • With today’s available technology, iSCSI storage can be benchmarked with 90% performance capability of Fibre Channel at a fraction of cost.
  • As said in earlier paragraphs, iSCSI can not only support converged infrastructures, but can also blend hyper-convergence into its protocol operations. Features such as Thin provisioning, Deduplication, Synchronous replication, Asynchronous replications can also be obtained on an iSCSI Storage.
  • Software Defined Storage which is an on-demand trend among storage seekers can be availed on iSCSI storage.
  • iSCSI SAN finally proves worthy alternative to FC SAN for the mainstream IO. This is due to the fact that iSCSI SAN usage fuels cost advantage, eases the management concerns and its performance is utmost when it comes to virtual servers.

Due to these reasons, iSCSI SANs are getting some respect in enterprise data centers, along with their SMB counterparts. Analysts expect that the upward trajectory will continue for iSCSI in coming days.

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Video Server expansion made easy with DNF Security Raven 806G

Are you looking to expand the current storage of your mission critical video surveillance environment? If that is what you are looking for, then DNF Security offers Raven 806G as a storage expansion system which will provide needed capacity to your video monitoring server irrespective of its make and model.

DNF Security, a subsidiary of Dynamic Network Factory offers Raven 806G storage expansion system which looks like a directly connected disk drive to a video server. It will prove as a cost-effective high speed storage expansion with a capacity ranging from 4TB to 24TB storage capacity.

Raven 806G of DNF Security will be offered with 4x SAS Host ports. It can look like a single device to a single server or many devices to many servers. And the highlight is that it is compatible with both Windows and Mac Operating systems.

In order to offer redundancy to your stored data, Dynamic Network Factory’s Raven 806G storage expansion is enhanced with the capability of RAID levels 0,1,1E,3,5,6,10,30,50,60 and JBOD. The whole system, depending upon your storage requirement can have eight hot-swappable 1000GB RAID certified 6Gbps SATA 7200RPM disk drives. Therefore, with the presence of RAID levels, you can easily swap the faulty drives with a new one and recover the data from the faulty drive. As a result, your concern for data loss gets eliminated on a permanent note.

If in case, the requirement is for 32TB capacity, then you can go for another product Raven 803G with similar features. DNF Security Raven 803G is a storage expansion system meant for surveillance related video servers operating with Windows and MAC operating systems. This system is enhanced with a 3Gb eSATA interface to facilitate connectivity to external storage systems. The system also has a USB 3.0 port, an USB 2.0 port, iSCSI/AoE interface and Firewire 800 Host Connectivity.

Moreover, you will get an out-of-band Ethernet interface for remote status monitoring & configuration. That means, you can easily monitor this storage system from a remote server or from the comfort of your home or office PC.

To know more details click on DNF Security Raven Universal Storage Expansion or call 510.265.1122.

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Get trained in SAN and IP San Technologies from DNF Professional Services

Are you new to SAN and IP SAN technologies? Or are you using enterprise NAS for the first time? Dealing with staff transitions and turnover leaving you with a loss of experience and expertise?

Whatever may be the situation, DNF Professional Services (DNFPS) can work with you and your team to cover the nuts and bolts of storage technology. This company which is a subsidiary of Dynamic Network Factory will allow your IT staffs get the feel of the storage technology by training them with the latest updates taking place in the storage field.

If your staff is in a look out for a storage solution like iSCSI Storage, Scale Out NAS appliance, Hyper converged storage appliances with software defined intelligence, Backup and Disaster Recovery solution then DNF Professional Services is the best company to rely on.

If your company is thinking on consolidation or virtualization of servers and storage and is interested in purchasing blade servers or email servers, then a team of experts from DNF Professional Services will be more than ready to help you out. It not only successfully helps in decision making, but will also prove resourceful in implementing these technologies into your IT environment.

Remote Management, Disaster Recovery Planning, Data Replication, Data Security & Protection, Data Migration, Performance and reliability testing, VMware consulting and installation, storage and server consolidation services can be availed through DNF Professional Services.

For more details call 800.947.4742 or click on www.dnfps.com

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Video Surveillance devices prone to hacking due to ill password security practices

Video Surveillance device manufactures such as DNF Security, Hikvision, D-Link, Synology and such have issued a warning that video surveillance systems commonly installed in businesses and family households are highly vulnerable to hacking if users do not adopt greater precautions with respect to password security.

The warnings were formulated after hackers recently managed to obtain illicit access to thousands of CCTV systems around the globe and live-stream their footage online via a Russia based website.

The website streamed footage from businesses and private homes in over 250 countries and regions with its database displaying listings for a total of 4591 cameras in USA, 2059 in France, 1576 in Netherlands and so on…

According to the manufacturers of CCTV devices, a big part of the reason why hackers were capable of accessing many Security cameras, DVRs and NVRs all around the world was due to the fact that the owners or users of these systems were using the default password provided by the manufacturer.

Here the installer should also take a bit of blame. When a professional installer is called to deploy a system, he/she needs to ensure that the system they are installing should be fool-proofed. The foremost thing is to change the default password of the device, which will keep the hackers at bay. But most of them, due to the reasons best known to them, ignore this security aspect and thus make the installed system vulnerable to hacking.

According to a probe launched by a security firm initiated by a video surveillance device manufacturer, the devices were not actually hacked– in the conventional sense, the hackers simply used search tools to scour the web for devices whose default settings had not been altered and could thus be more readily accessed.

China’s Foscam, Linksys, Panasonic, Hikvision, Synology company related device users were the prime victims of hacking in this year.

Linksys has since advised users to take greater precautions with password security, and most importantly of all, to change the default settings for passwords immediately following the purchase of camera devices. Linksys said that it will continue to educate consumers that changing default passwords is extremely important to protect themselves from unwanted intruders.

Foscam, Panasonic and Linksys have updated their device security features and said that their users will now on receive warning whenever they log into the camera, until they set a new password.

Let’s hope that other company manufacturers will follow the same soon.

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Ensure that your Disaster Recovery plan matches your business needs

Disasters are unpredictable and in most cases unavoidable and that’s obvious. Like in the same way you take preventive measures to protect your sweet home from both foreseeable and unexpected disasters in the future, its paramount to have 20/20 foresight regarding business continuity when your enterprise experiences an unfortunate or disastrous event.

Although, there is always a Disaster Recovery (DR) plan on hand, many IT managers put it on a back burner, thinking that that are saving some costs to their enterprise. But in practical there are plenty of reasons not to cut costs when you’re implementing a disaster recovery program, and here’s an article where we’ll address what an enterprise IT manager should know about synchronizing DR and business requirements.

The foremost issue to wield out will be what all is at risk? Basically, when an enterprise starts to show resistance to disaster recovery; it is putting business operations, customers, production, equipment, and revenue at risk. To be specific, due to this approach, many companies have fallen into a pit of dust, from which they couldn’t recover in time and eventually lost revenues and stakeholders.

According to Steve Goldman, President of Steve Goldman Associates-a Crisis Management and DR Consultancy; nowadays, companies cannot be down for more than multiple seconds, otherwise they start losing revenue and customers.

Therefore, the key DR component a company needs to have in place at all times is a strategy. The foremost thing is to focus on critical business functions, which should include recovery time objectives, process exercises and a communication plan within IT for talking to stakeholders. The DR plan must be up-to-date and must be well maintained as if it were also in production. Also placing the emphasis on specific processes and mission critical systems is also a must.

If you were to choose a critical DR procedure that the experts could agree on, then it will surely be testing. Without a proper testing plan, your business could fail to unfold in those critical moments which can lead to an irrevocable business shut down.

Moreover, a lot of business continuity and DR plans can sound good on paper, but they don’t work during a disaster. Therefore, most IT heads opt for quarterly test plans, while most of them out of those, do not do it in practical which is a different story. So, switching off the production and going for DR once every three months and running the DR environment as production for a full week before switching back, will ultimately work in the company’s favor.

An IT manager must understand that they can’t assume that only systems or facilities will go down in a disastrous event. Rather, they must consider how an enterprise can operate in a bare-bones capacity. In order to attain it, you need to get back online, communicate with your colocation service provider and then pass on the information efficiently within your organization.

And remember, in the end, the worst thing you can do is not say anything about the disaster.

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Software Defined Storage definition according to The Storage Networking Industry Association SNIA

Software Defined Storage (SDS) definition is floating, as it is varies from vendor to vendor offering smart storage products. The most common definition of SDS is that it separates the storage software and services from the underlying hardware for increased flexibility, scalability, automation and cost benefits.

As per SNIA – the Storage Networking Industry Association’s definition Software Defined Storage should include automation, standard interfaces, virtualized data path and scalability as its essential elements. And in order to propel storage, to where it needs to be, it should offer services like snapshot, deduplication, replication and thin provisioning on a software layer that can be deployed on industry standard servers.

Therefore, the best approach to formulate SDS architecture is to include three principles- abstract data from the hardware, integrate storage, compute and networking and orchestrate the whole integration via intelligent software. The approach should be to offer flexible solution to any environment without ripping and replacing existing infrastructure.

Thus, by creating a converged architecture of hardware resources and adding automation and monitoring tools, SDS transforms storage virtualization. It moves functions out of storage appliance and places them close to compute, enabling better load balancing, reducing operational task loads and improving responsiveness and flexibility.

Coming to growth of SDS market, for the first time, International Data Corporation (IDC) in 2014 measured the size of the SDS platform market. Specifically, IDC measured the platforms that deliver the full suite of storage services via a software stack that uses, but is not dependent on, industry standard hardware built with off-the shelf components.

According to IDC, Software Defined Storage platforms will continue to grow faster than any other market segment in the file-and-object-based-storage market. The primary forces to drive this market will be rich and diverse set of data-intensive use cases across multiple industries and geographies.

Customers are interested in going for solutions which offer quality and reliability and so are seeking vendors that can deliver pre-tested bundled solutions, from appliances to end-to-end reference architecture.

StoneFly, Inc. is one such vendor which offers smart storage driven by intelligent software. It is a member of SNIA and is a pioneer in offering iSCSI Storage. All its storage appliances run on its patented and award winning StoneFusion Software. Thus, all the products offered by StoneFly are software defined and are enriched with features such as Snapshot, Mirroring, Encryption, Asynchronous Replication, Deduplication, Thin Provisioning that provides advanced disaster recovery.

StoneFly, Inc offers SAN products, Scale out NAS products, HyperConverged products, Backup and disaster recovery products and Software Defined Unified Storage software.

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When will the 10Gb Ethernet take off?

The entire storage industry is waiting for 10Gb Ethernet to break into mainstream. Getting into the facts, it was approved in way back in 2002, but still lacks support from the hardware makers. In 2012, Intel promised to offer a $50 worth 10GB Ethernet ports. But one can rarely see them even on workstation class machines.

Therefore, this suggests that the adoption is taking place at snails pace and that is due to many issues such as

  • Expensive wiring, connectors and chip sets have limited 10 GigE to high-end applications, like big servers hosting multiple Virtual Machines.
  • Gigabit Ethernet works fine for most PCs, and it’s PCs that drive volume. No volume, no learning curve and no investment.
  • Most processors couldn’t support 10 Gig channel due to architectural limitations.

Currently, most storage analysts feel that 10 GbE networks will start out in data centers, but for workstation-class PCs the wait will go on….hmmm atleast for the next 2-3 years.

Although, High speed Ethernet will offer a tough competition for Fibre channel SANs and older Infiband Networks. Home adoption will still be 5-10 years away. But till that day arrives, Home users will prefer Wi-Fi and the latest optics to carry data, and so may ignore the benefits of an Ethernet connection to a certain extent. But with the advent of 4k TV, home users will surely be in need of higher bandwidth and that is where 10GbE will show its prominence.

So, when will the need arise for a 10 GbE in your point of view? Please share your views in the comments section below?

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Solving healthcare storage needs with DNF Medical

Healthcare providers are producing enormous amounts of data these days and the whole credit goes to digitalization. The data produce related to medical field ranges from an ever-expanding collection of electronic health records to medical imaging data and as such. Obviously, when such high volume of data is being produced, storing these records and files will be a challenge and this is further compounded by long-term retention requirements.

Therefore, healthcare providers often search for creative solutions to data storage problems and so we have listed them out in the following paragraphs.

  1. Storage Area Network (SAN)
  2. File Server Storage
  3. Network Attached Storage (NAS)
  4. Tape Storage
  5. Cloud Storage
  6. Robotic Tape Library

Most large healthcare organizations make the best use of a SAN. They use a portion of it to house virtual machine, while other areas of the SAN are used for data storage. This means that plenty of demands are already being made against the SAN well before the long-term retention of exponentially growing data is even brought to question.

The highlight of a SAN is that it delivers performance along with flexibility. It is relatively easy to expand a SAN in parallel to organization’s storage needs. The only problem in opting for this solution, of course, is that SAN is expensive.

But in any large healthcare organization, there is always some critical data which undoubtedly needs to land on a SAN platform. That data might need to be protected by various forms of redundancy provided by the SAN, or there might be a benefit to store the data on high-performance media. Therefore, a legitimate business need arises to store the data on a SAN.

Oftentimes, however, there is some data, which doesn’t require a SAN platform. For instance, most hospitals have static data that is rarely accessed. It doesn’t make sense from a business perspective to use an expensive SAN for data that could just as easily reside on a less expensive form of storage. Hence, based on the age, value and frequency of access, data is then moved among various storage tiers according to the threshold values set by the storage admin.

Here’s where the need for SAN alternatives arises and this is where alternate storage mediums like file server storage or network attached storage can prove useful. Even tape and cloud solutions can also be used in this case, as they are best fit for archival needs and can also prove economical.

To give a concrete example on how storage tiering might be used, consider the hospitals which are following a policy to keep each patient’s medical record for 10 years after the patient’s death. Through usage tracking policy, it can be determined that when a patient dies in the hospital, their medical records were accessed on a fairly regular basis for the next couple of months. After that, the records were almost never accessed again on a frequent note.

Thus, this can be offered as a perfect example of static data that must be kept, but that may never be accessed again. So, keeping this data on a SAN appliance will be simply wastage of resources. So, where should that data be stored?

One solution is to archive the data to tape. But the tape storage should be automated, easy to manage and should offer the data with greatest redundancy and availability. But in most cases, tape solutions are still outdated when it comes to the display of its smart features. Because, if in case, a person who is unrelated to a dead patient, files a malpractice case against the doctor after 8 years of death of a patient, then the doctor should be able to present the evidence of the treatment and the cause of death even after such a long time.

This is where, cloud storage is certainly proving as a viable option, but can be expensive than a tape solution. Most cloud storage providers’ bill customers a monthly bill for the amount of data stored on their platform. So, a cloud storage option can be used as a utility and can grow as per the archiving needs growth.

Another option can be a robotic tape library, where a large warehouse of tapes is smartly managed with the use of robotics arms, which will automatically retrieve the tape from the shelf and insert it into a tape drive in the next room. This type of storage works well, as the cost per GB will be low and there was not levy of storage fees. However, the initial investment in hardware can prove as a costly affair.

Whatever type of storage you decide to use, you will need to have a data life-cycle management software that can automatically move data from one storage tier to another as the data ages. The software should also be automatically purge data when it is no longer needed.

If you are in a look out for a trustworthy data storage vendor which offers reliable and cost effective data storage solutions, DNF Medical will be an ideal company to depend on. It offers the best IP SAN storage appliances which are highly-available and are driven by dual active/active RAID controllers with transparent failover and failback operations. This company offers advanced storage solutions which are redundant, scalable, highly available and are exclusively tailored for hospitals, labs and other medical organizations enhanced.

To know more about its products call 510.265.1122 or click on DNF Medical Product line.

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Difference between a normal hard drive and surveillance hard drive!

Many of you might have a feeling that they can use a normal desk top hard drive for their surveillance needs. They go with this logic thinking that all hard drives are same and operate in a similar manner. But this assumption of them is quite wrong.

Traditional, desktop hard drives are made to operate only for 8 hours a day and 6 days a week. So, the overall work load will be at the most 10%-20% and their performance will be low to moderate. Therefore, they usually exhibit low mean time between failures.

While a surveillance hard drive forms a central component to the digital storage of surveillance video. It can be used in a DVR, NVR, Video Server or a Video Management System in order to work 24 hours a day and 7 days week. These hard drives need to be always active, in order to keep video evidence live.

Generally, a surveillance hard drive usage will be moderate to high and any kind of hard drive disruption will affect multiple users. Therefore, hard drives makers offering such drives will often offer them with high mean time between failure ability. Some hard drive makers like Seagate will also offer a firmware, as a rescue service plan to recover the data from the failed hard drive caused due to mechanical failure or accidental damage.

Therefore, for all your mission critical surveillance needs, please use an exclusive surveillance or enterprise class hard drive. And instead of doing it yourself, it is better to go for a video management system or a video server, offered by reputed data storage vendors like DNF Security. These vendors use certified hard drives and other hardware components to drive their appliances. Therefore, factors such as reliability, scalability can be optimized to the fullest with these appliances. If it is a small scale video surveillance need and involves few numbers of analog cameras, then it is better to go for a DVR embedded with a surveillance hard drive.

Remember, if you are the user, it is your duty to ask the vendor or installer, regarding the components and hardware used in the surveillance installation. You should insist on a solution, which is highly customizable, scalable, reliable and easy to manage.


  • If the involvement is less than 10-12 cameras, then analog camera installation along with a DVR is recommended.
  • If the installation requires more than 15 cameras, then it is better to go for IP cameras and utilize an NVR. This offers a good scope to upgrade in future.
  • If the installation involves large number of analog and IP cameras, it is better to use a hybrid NVR, which can entertain analog and network camera recording.
  • For all large scale installations taking place in public places like airports, bus transit facilities and such, it is better to go for IP camera installations. But usually, we observe that the IT head carries out the surveillance operations with a mix-up of analog and IP camera involvement.
  • To be specific, almost 4-5 years ago, all large or small scale surveillance installations had analog cameras in place. But due to the development in technology and utmost benefits, a trend for IP cameras is now being observed. Therefore, in order to keep up with the current trend, surveillance managers are either replacing their equipment with IP from analog or trying their best to integrate both technologies with the help of hybrid NVRs and video management systems.
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Data Loss and Downtime costing $1.7 trillion loss to Enterprises a year!

All those connected to storage industry will be surprised to hear this news. According to a survey conducted by Vanson Bourne and commissioned by EMC, it is estimated that data loss and downtime are costing $1.7 trillion loss to enterprises ever year; which compares to nearly half of Germany’s Gross Domestic Product (GDP) split between data loss-$754.7 billion and downtime $954.4 billion.

This most staggering statistic came into light, when a survey involving 3,300 IT professionals across 24 countries was conducted. The specified monetary amount was attributed to failed or non-existent data protection schemes.

Actually three surveys came out this week, that focused on the challenges of IT departments related to data loss and reduction in downtime costs. EMC’s Global protection survey found that the data loss and downtime is costing $1.7 trillion in the last 12 months.

The Veeam Data Center availability 2014 report, conducted by market research firm Vanson Bourne also found that more companies were continuing to fall further behind their service level agreements even as companies are fully modernizing their data center architectures.

The third survey, which was quite focused on cloud backup and Disaster Recovery, was commissioned by cloud provider Zetta dot net. It revealed that over 48% of its 200 respondents experienced problems in trying to recover data even with mature bare-metal restore technology.

EMCs Global Data Protection Index survey involved 3,300 IT decision makers from mid to enterprise size businesses worldwide. The survey revealed that over 51% of businesses lack a Disaster Recovery (DR) plan for big data, mobile or hybrid cloud workloads and only 6% have a DR plan for all the three specific mentioned data related concerns. The survey clearly mentioned that data loss has grown by 400% since 2012. It also showed that over 30% of primary data was located in some form of cloud storage, and 71% of businesses were not full confident on their data continuity plans after a disruption.

The data loss impact was severe in between 2012-2013, as more than 64% of enterprises experienced data loss or downtime over the last year for an average of 25 hours of downtime. Over 37% reported loss of revenue and 34% said product development was delayed because of downtime.

The Veeam data Center Availability report, which involved 760 IT decision makers from worldwide organizations, revealed that organizations were experiencing downtime at an average of 13 times and backup failure atleast 2 times a year. Hence, backup failures are costing organizations at least $682,182/year.

The above mentioned same survey also revealed the fact that organizations were generally meeting their Recovery Time Objective (RPO), but not their Recovery Point Objective (RPO). The finding further revealed that mission critical applications were taking an average of 2.86 hours to recover against an RTO of 2.69 hours. Non-Mission critical applications had an average 8.45 hours of recovery against an average RTO of 10.02 hours. Whereas, mission-critical apps are being backed up every 4.81 hours against an RPO of 3.53 hours and non-mission critical apps get backed up every 14.46 hours against an RP of 11.53 hours.

Therefore, this clearly indicates data loss, as there is a lag time between RPO and actual backups.

In the same survey, over 83% of respondents said that they had a gap between the level of availability they can provide and what end users demand.

In November 2014, another research firm Incapsula reported that distributed denial of service attacks cost organizations $40,000/hour. This is an average cost of an attack being estimated at roughly $500,000. Another study made by Neustar revealed that outages caused by DDOS led to losses of between $50,000 and $100,000 per hour.

So, this clearly indicates that most of the companies are ill-equipped when it comes to business continuity.

According to the storage giant EMC, the usage of advanced data protection technologies can make a considerable difference, but the fact is that most organizations are depending on single vendor for supplying these types of solutions. The study conducted by the storage giant also revealed that organizations relying on 2 to 3 vendors not only spend $3 million more on their data protection infrastructure, but they also loose three times as much data compared to businesses that rely on services from a single provider.

The encouraging fact revealed in this survey was that United States, Netherlands, Singapore, Hong Kong and China have the most mature data protection programs. While, UAE, Turkey and Switzerland are at the bottom-line, in this genre.

Most companies which participated in the Veeam survey admitted that they were planning to upgrade their 94% of storage and their technology related to data protection and data continuity within 2 years.

Therefore, all you data storage vendors out there ask your sales and marketing teams related to Back Up and Disaster Recovery to buck up soon!

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