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HPE0-J80 exam Dumps Source : Delta - Architecting Multi-Site HPE Storage Solutions
Test Code : HPE0-J80
Test Name : Delta - Architecting Multi-Site HPE Storage Solutions
Vendor Name : HP
Q&A : 57 Real Questions
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HP Delta - Architecting Multi-Site
real, this nested lab will not galvanize you with a high performance, but it works.
in particular this example will support you to remember the indispensable steps to deploy your personal homelab devoid of investing some huge cash in hardware. and also you would not have a physical shared storage, as we use an openfiler to supply an NFS Share using the native tough discs.
Of path that you could use another available hardware. I used the old HP DL380 G5 just as an example. The only thing remember to take care is, that the hardware is supported for vSphere 5.x (take a look at the HCLs for this).
What hardware do you want:
One HP DL380 G5 Server with as tons RAM as that you can discover (minimal is sixteen GB, superior have extra) and satisfactory discs to supply two arrays with about four hundred GB each and every.
An USB stick to installation vSphere ESXi 5.x
a client to connect to the ESXi installing by the use of vCenter customer
To learn more and to read the whole article at its supply, please refer to the following web page, a way to – build a nested lab on a HP DL380 G5 Server- operating-gadget.com
# Simplified version of the script used in this look at. gives an overview of the universal formulation employed.
# create and plot heritage matrix with synthetic barrier in center
m <- matrix(1, nrow=10, ncol=10) ; m
m[,5] <- four
r <- raster(m)
# create and plot transition matrix
t <- transition(r, transitionFunction=mean, 4, symm=proper, intervalBreaks=3)
# create and plot sampling features and associated genetic records.
# (x coordinates, y coordinates, genetic statistics for 3 loci)
matG2 <- matrix(c(0.21, 0.22, 0.eighty two, 0.23, 0.81, 0.83, 0.eighty one, 0.21, 0.50, 0.fifty one, 0.23, 0.83, 0, 0, 2, 0, 1, 1, 1, 2, 1, 1,
1, 0, 2, 1, 0, 1, 0, 0), ncol=5)
xcoord<- matG2[, 1] ; ycoord <- matG2[, 2]
# construction of relocating home windows (sampling areas)
library(“ade4”) ; library(“vegan”)
# define the extent of sampling areas and the interval wantedMin <- 0.7 # minimum radius of areas wantedMax <- 0.9 # optimum radius of areas neededStep <- 0.1 # interval desired
# Loops to test correlations in sampling enviornment on diverse scales and in multiple locationsresultsfinal <- cbind(1,1,1,1,1)
colnames(resultsfinal) <- c(“xcoord”,“Ycoord”, “Radius”, “MantelR”, “Pval”)
for(Radius in seq(Min, Max, through = Step))
consequences = NULL
for(i in 1:length(xcoord))
Xcircle <- (xcoord [i] + Radius*cos(seq(0,2*pi,size.out=one hundred)))
Ycircle <- (ycoord [i] + Radius*sin(seq(0,2*pi,length.out=one hundred)))
# extract particular person records in each sampling are constructed
expr <- aspect.in.polygon(xcoord,ycoord,Xcircle,Ycircle)
coordPoly <- cbind (xcoord[expr==1],ycoord[expr==1])
# type records and compute matrix of basic pairwise euclidian distances (no longer used additional during this instance)
DisGeoEucl<-dist(locOrder, method = “euclidean”, diag = proper, higher = authentic)
# compute corresponding matrix of genetic distances
listcoord = (1:6)[expr==1]
Genet = NULL
for(h in listcoord)
tmp <- matG2[(matG2[, 1]==xcoord[h])and(matG2 [, 2]== ycoord[h]), ]
Genet = rbind(Genet,tmp)
GenetOrderSanscoord <- GenetOrder[,-c(1,2)]
MatdistGenet<- vegdist(GenetOrderSanscoord, method=“bray”, binary=FALSE, diag=FALSE, upper=genuine, na.rm = real)
MatdistGenet <- as.dist(MatdistGenet)
# Compute matrix panorama “resistance” distances based on raster
spatiallocX <- locOrder[,1]
spatiallocY <- locOrder[,2]
SpaLoc <- SpatialPoints(cbind(spatiallocX, spatiallocY))
Resdis<- commuteDistance(t, SpaLoc)
Resdis<-as.dist(Resdis, diag = proper, higher=actual)
# basic mantels look at various between genetic and landscape “resistance” distances
MantelpRes <- mantel.rtest(MatdistGenet, Resdis, nrepet = 99)
results <- rbind (consequences, cbind (xcoord [i], ycoord [i],Radius, MantelpRes, MantelpRes))
resultsfinal <- rbind(resultsfinal,consequences)
# screen outcome file with for every particular person: x and y coordinates, radius of sampling enviornment, mantel output and linked p-cost
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Delta - Architecting Multi-Site HPE Storage Solutions
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Earning a certification is one of the best things to do for you to excel in the competitive IT world. Being certified is the way to enhance one’s profession in the field of Information Technology. It additionally upgrades the pride and status of any professional.
HPE0-J79 Exam Description
One of the top credential that many IT experts ought to consider to own is the HPE0-J79. This HPE0-J79 Exam assesses the aptitudes and learning of the applicant on the most proficient method to wind up Storage Architects and Storage Consultants. It likewise tests the capacity in supporting the business agents.
The HPE0-J79 Study Kits is a delegated exam given at assigned testing centers. It has 60 multiple choice questions. It must be finished within 1 hour and 30 minutes. To pass the exam, the candidate is ought to accomplish the passing score of 70%. It is accessible in various languages including English, Simplified Chinese and Japanese. This examination is identified with HPE Master ASE — Storage Solutions Architect V2.
Topics for HPE0-J79
· Apply, assess and separate the capacity advancements and engineering
· Evaluate, propose and prescribe HPE stockpiling items, outline segments, arrangements and administration/guarantee offerings
· Assess the capacity advertise and decide the focused open doors in applying HPE stockpiling arrangements suitable to the necessities of the clients
· Planning and outlining of HPE stockpiling arrangements
· Optimize, update and execution tune HPE stockpiling arrangements
· Monitor, oversee, manage and work HPE stockpiling arrangements
How to Plan for the HPE0-J79 Exam
Passing the HPE0-J79 PDF is less demanding said than done. That is the reason it is counsel that the competitor ought to have satisfactory time to get ready. Taking this exam requires the professional to be proficient and adroit in actualizing the employment of Storage Solution Architect. The inquiries are displayed by means of a situation introducing a particular issue or environment. Shows are additionally incorporated into a few inquiries.
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Top 5 VDI Successes
1. Always Perform an Assessment
An assessment is a method of gauging user consumption behavior on a current physical device. You should look at metrics in terms of how the OS is currently using things like CPU, memory, IOPS, network resources, applications, and device hardware. When this data is collected over a long-term period of time (typically 30 days), you can understand the highs and lows of user consumption. When you apply this to a series of mathematical formulas, you can not only calculate what a group of users would require from a hypervisor perspective, but also understand growth rates, software inventory, and what hardware will require a disproportionate amount of resources. Some good examples of hardware that will do this are things like high output audio/visual capture devices, high resolution scanners, USB Webcams, and DVD burners. An assessment is key to architecting exactly the environment that you need to survive for the next five years. If you build too much hardware, you have wasted resources. If you build too little hardware, user experience suffers, or worse, a VDI project can collapse. A proper assessment will calculate your requirements for you, identify poor hardware, help you consolidate software, and even help you optimize your virtual images.
2. Image Optimization is Key
One area where massive gains in user experience can be realized is through image optimization. VDI is unlike any other kind of computing environment we have seen used to date. There are many things that are built into the Windows operating system (Linux too!) that simply have no place inside of a VDI deployment. Such examples are things like the Wireless Service, Bluetooth Support, Branch Cache, Family Safety, Fax, and Internet Connection Sharing. None of the aforementioned services should be utilized in a VDI environment, and as such, should be set to disabled. There are literally hundreds of different settings and services that are removed from an operating system when used in VDI, and these have a very large effect on how much RAM, IOPS, and CPU the system uses even without a user logged in. This has an additive effect, as when you are hosting hundreds or thousands of VDI systems on a hypervisor, multiple unnecessary services running in an image can mean the difference between housing 50 users in hypervisor instead of 70, or 80.
3. Never Underestimate the Importance of Good Storage
The slowest sub-system in any modern computing system is local storage. This means that any bottleneck or slowdown in storage will be instantly felt by your users, resulting in increases of help desk calls, poor VDI experience, and a ‘black eye’ on the project. In recent years, solid state, or flash storage, has become increasingly affordable, and many organizations have begun to deploy their VDI environments within a flash storage array. This solves many issues, as VDI is typically IOPS heavy, and capacity light. When you are designing your VDI storage environment, remember that you must design for the worst case of what the environment will have to deal with. This means that the advertised IOPS that an array or platter can deliver inside of a storage array will never be realized. Instead, focus on the minimum amount of IOPS a platter or platform will deliver without any kind of cache acceleration. This will ensure that you have adequate IOPS to deal with any boot storms, login storms, or security storms in your environment. In many cases, VDI systems will bypass storage cache because user data is intrinsically unique. All the thousands of documents, configuration settings, and databases your users use on a daily basis are specific to that user, and may only be loaded once per day or week. This means that storage cache will be less effective in a VDI environment, and load will be shifted to the disks that are running behind it. If this is planned for during the assessment phase, your VDI systems will perform better than their physical desktop counterparts, and will help increase VDI adoption and project success.
4. Use Software Designed For VDI
VDI has presented a number of challenges for software vendors looking to support their products inside an ever-changing virtual landscape. Many times, this means that applications coded for physical machines may not perform well when migrated over to a VDI computing system. This can be due to many issues, such as coding applications for a discreet video card when such a device is not present in VDI, lazy coding when we have plentiful resources in a physical machines, and even how to work with multiple CPUs. Look for updated versions of your common applications, and don’t forget to speak to your application vendor about your requirements. Many application vendors now have applications that are virtualization aware, or virtualization optimized. Another important aspect of software to consider within VDI is the use of your security software. Antivirus solutions are terribly inefficient when their physical desktop versions are utilized in VDI. As the systems scale, there is too much duplicate work going on inside of the system to justify its existence. Instead, start looking for security applications that take VDI’s economies of scale into account. There are a number of anti-virus engines that function at the hypervisor level, and eliminate the bulk of this duplicate work. As an added benefit, having antivirus function at a layer above the guest operating system leads to a more secure environment.
5. Increase Productivity Through Profile Migration
In the past, it was common for organizations deploying VDI to create a ‘from scratch’ environment for their users to work from. At first, this sounds like a good idea. In theory, you are eliminating any potential baggage that may have been retained from years, or even decades, of users working with their physical machines. However, this method has a massive side effect when migrating to VDI. In reality, it creates an environment where users need to customize their new systems, and spend hours, or even days, trying to get their new environment to function the same as their old one. Settings will vary from user to user, but they will include things from desktop backgrounds to browser favorites, to application settings. This is a massive loss of employee productivity. Instead, you can look for profile migration tools that let you get the best of both worlds. They will allow you to retain the settings and files from the physical machines that your users need to perform their jobs, while eliminating things like their MP3 collections or questionable applications from the profile. This allows you to have employees that instantly have a recognizable platform to work with, with all of their data where they expect to find it. The end result is that instead of spending a few days getting used to the new VDI environment, customers can log into VDI and immediately start working.
Top 5 VDI Failures
1. Doing Things the Way You Always Have
In many environments where we have found that VDI did not succeed, evidence was found that called into question certain business practices that hurt overall system stability. In one such example, a large company (which shall of course remain nameless!) had constructed their own software update platform. The platform was written in an older language, and executed in DOS. They created this platform in the mid-1990s, when enterprise grade system update tools were still in their infancy. Unfortunately, this solution was never fully removed, even as the company brought in modern system update tools such as SCCM and Windows update. Instead, three different system update solutions were running on the system at the same time: the DOS tool, SCCM and Windows Update. Different teams managed all three tools, and all three tools required a significant amount of overhead on the systems to function. To add insult to injury, the VDI systems in this environment were limited to a single core (more on that later), and all three systems were resident on the system, taking up valuable resources. Because the resources were so constrained, the stability of VDI would begin to falter under any kind of additional load. On more than one occasion, a simple system update was enough load to cause every VDI system to become saturated and unusable. During the post-mortem of the environment, it was asked why three different system update tools were necessary in a VDI environment, and why only one CPU core was used. The only answer that was given: “That’s the way we have always done it”. For many companies, VDI represents the ability to break away from policies and procedures that are either antiquated, or are simply inefficient. Each aspect of the way you manage your machines should be called into question. If a policy or process that you have implemented goes against best practices for VDI, you must examine it. Far too many companies have been burdened by failed VDI pilots simply because of “The way we always do things here” scenario.
2. Not Taking Advantage of Non-Persistent VDI
Non-Persistent VDI can be thought of as VDI 2.0. It’s more secure, as machines will wipe any information not stored by a profile solution when the user logs off. This reduces the potential for Adware, Malware, Spyware, Ransomware and viruses on your system. It can also significantly decrease the amount of hypervisors you have in your environment, as you only need to have the amount of concurrent machines that you use running. It can massively affect the amount of storage space required for VDI, because linked clones all read from the same master image. Finally, Non-Persistent VDI can also be updated almost immediately when installing system updates, anti-virus updates, or base image software updates. Despite these huge advantages, many companies are still struggling to deploy Non-Persistent VDI due to the amount of work that needs to be performed in deploying applications on top of those systems. If you have not examined Non-Persistent VDI as a solution for your company, now is the time. Layering tools, for example, have never had better compatibility, ease of use, or performance. In many cases, these new layering tools make the long-term management of VDI easier than Persistent VDI.
3. Overloading an Environment
If you have gone through the proper steps of VDI architecture – including performing an assessment, optimizing your image, and selecting the correct hardware for your environment – then you are in an excellent place for the long-term care and feeding of VDI. However, you may be tempted, once the project has reached maturity, to add additional users in the environment that you did not plan or assess for. This is a massive pitfall, and can quickly kill an environment. VDI has had all of its resources carefully planned for short and long term use. Adding an extra one or two hundred users may seem like a small amount in a one thousand-user environment, but what may work in the short term will almost certainly cause VDI to fail down the road. This is because when VDI is initially designed, it has slightly more resources than it needs to account for long-term growth. Most system resources will increase by about five percent per year, including memory, CPU consumption, and IOPS consumption. This is a naturally occurring phenomenon that happens as your software and image updates use more resources. As applications become more advanced, they have a tendency of using more system resources. Adding more users to the system may be fine now, but they will cause massive bottlenecks in the system two or three years in the future.
4. Too Much, Too Soon, Too Fast
Testing is an incredibly important aspect of rolling out a properly configured VDI environment. Testing should apply to every single level of a VDI deployment, from image optimization, to application delivery, system updates, connection broker functionality, slow link usability, and hundreds of other areas. As VDI gains traction, you or your management may be tempted to start cutting corners. This may include going from a POC or Pilot environment to a production environment early, or before each piece of software in VDI has had a functionality test from the application owner. Do not do this! More VDI projects have failed for moving too quickly than almost any other reason in a VDI deployment. Proper VDI rollouts are usually executed in three phases:
POC – Proof of Concept is where key engineers and architects work with the environment to establish a base level of functionality of VDI
Pilot – Pilot phase is where key employees are granted access to a VDI environment to gauge its use in the corporate environment. These employees should be reporting any issue they find within VDI, and should also be tolerant of any issues they may find
Production – Production can only be reached once all the milestones of POC and Pilot have been reached. POC and Pilot phases can take months, or even years, to fully vet out.
5. Artificially Restricting User Resources
One of the most common issues with user experience in VDI has to do with resources attached to the virtual machine. Many of my clients that install user experience solutions are doing so to understand why and where the bottlenecks in their VDI systems are occurring. In hundreds of different environments, it has been found that users were not given the proper amount of CPU cores or memory to perform their work. Many clients are also employing VDI systems with only one virtual core. This is a false economy. When a modern operating system, such as a version of Windows, from Windows 7 and newer, has only one core, it will use a version of the Windows Kernel called the UniProcessor HAL (Hardware Abstraction Layer). This Kernel does not understand how to deal with more than one processor stream, and was meant to be used in systems that were barely capable of running Windows 7 when it was released. It was a throwback included for older system compatibility. The UniProcessor HAL is not very efficient, as modern versions of Windows were written to take advantage of parallel processing, multi-threaded capable CPUs. If you remove that capability from the operating system, you will artificially stunt it, and cause it to run slowly. It also must be stated that a VDI system places more CPU load on a CPU core than its physical counterpart. Physical machines have hundreds of discrete systems all working together to create a computing environment. All of those discrete circuits, from the system clock, to the USB controller, to the network and video card, must also be virtualized by the CPU in a virtual system. Pushing all of this work to a single core is a recipe for failure. Adding more cores is not a bad thing, and ideally, you want a hypervisor CPU to be operating in the 60-80% range. If your hypervisor CPUs are below this value, and your guest virtual machines are queuing their CPU, then you are wasting a very expensive hypervisor CPU.
6. Bonus – Not Defining a VDI Champion
Many times, it has been found that larger organizations that deploy VDI hang on to their old ways of doing things. This means that departments may be heavily ‘siloed’, or kept in separate areas, almost like separate businesses. Over the years, an ‘us versus them’ mentality may occur between these departments. When VDI is introduced in an organization, these groups must find ways of working together seamlessly, and without friction. To that end, they need an overreaching executive manager to make sure that all the teams keep working together to solve problems. They need a champion. A champion will have the ability to create a VDI group, or a team of subject matter experts from each of the IT teams that are going to be implementing VDI. The champion needs to have the authority to force groups to take on new work, and change old ways of doing things. Without this champion, the project may be relegated to inefficient ways of performing, and the entire VDI project will suffer as a result.
Here are 10 ways storage/backup administrators can save time, effort and money.
Tape. Tape is the reigning champion of low-cost storage. For example, the Sun Microsystems Inc. StorageTek SL8500 tape library holds 8,500 tapes. An LTO-4 tape cartridge holds 800 GB of data natively, 1.6 TB at the industry accepted 2:1 compression rate. 8,500 x 1.6 TB equals 13.6 petabytes of information stored. An LTO-4 cartridge costs approximately $50 per cartridge. Assuming the tape library will be around $500K, $425K for tape cartridges to hold that amount, and say $75K for 10 tape drives to read/write the data, you are looking at storing 13 petabytes of data for $1 million. There's no denser, less-expensive storage solution that can even get to $2 million for the initial cost outlay to store that amount of information. Plus, since tape is sitting idle not requiring any electricity or extra energy, the amount of resources necessary to maintain access to the data is hundreds of times lower than what it would take for disk. To secure the media offsite, the cartridge is mobile and can be sent from one site to another for data security/disaster recovery. The alternative is to have to have the same capacity of disk sitting somewhere else and the data to be copied to another expensive storage location.
MAID. The philosophical question of whether data that is rarely if ever to be accessed again should sit on something continuing to spin, generate heat, and use electricity is answered "no" by the providers of MAID technology who spin down the disks when not needed. This not only saves money, but greatly increases the reliability as devices that aren't in use don't break nearly as often.
Data deduplication. Hurray for the removal of duplicate information. Less data to manage means faster backups, quicker restores and data deduplication reduces the need for more storage which cuts both capital and operational expenses.
Compression. Deduplicating ten 2 MB files down to one still leaves you with a 2 MB file to store and back up. Compression can mash that file down to one 200 KB file. 20 MB down to 200 KB? That's lean and green! Compression takes files and makes them smaller, often times by removing many of the zeros, which take up a big portion of the file size. So you may have 10 versions of the same file, all of them compressed, and now you have 10 compressed versions of the same file. Deduplication will remove the duplicated files, leaving a pointer to the one physical file. Deduplication without compression can leave you with a single version of an uncompressed file, which is a space reducer by all means, but does not do as much as compression and deduplication together.
Thin provisioning. Setting aside half a terabyte of physical storage for that 10 GB database that you are expecting to grow reduces the storage available for other applications and causes you to have to pay for and manage more storage than is really necessary. Thin provisioning allows you to only tie up disk that you are actually using, grow into storage as it's necessary, but not have over allocated storage hanging around, unable to be used, eating up electricity and floor space.
Information lifecycle management (ILM). When implemented properly, ILM brings together multiple storage tiers together to allow you to have the right capacity and performance for the right price which makes your solutions not only more effective, but efficient from initial purchase through every level of data protection management.
Solid-state disk (SSD). SSD is dropping in cost and increasing in capacity. The performance gains compared to physical disk are as great as the energy savings from not having spinning disks. To meet the same performance speeds of eight SSDs, it would take intricate striping of data over more than 200 of the fastest Fibre Channel drives. The energy savings alone make the component-level price delta almost a moot issue. Over the next two years, the price of SSD will drop so drastically, SSD will become a solution for higher capacity environments as well.
SATA disk. Yes, these higher capacity, slower, and less-reliable drives (compared to the faster, lower capacity, more reliable Fibre Channel drives) help corporations save money, floor, and rack space by providing more capacity in a smaller physical space for the purposes of an alternative storage point for lower priority applications, disk-to-disk backups, or an archival point for less-frequently accessed data.
Storage resource management (SRM). SRM software allows storage administrators to manage data spread across multiple locations much more efficiently than going to each and every location to make a change. Imagine if a file exists on your primary storage, secondary, tape, as well as your disaster recovery location and you need to change a policy surrounding it. With an integrated SRM tool, from one screen, you can make the change and it will apply it no matter where the file exists.
Storage consolidation. The technologies that themselves allow businesses to reduce the number of hardware components on their floor, reducing maintenance costs and additional points of failure to manage, but give them the same or more capabilities should be considered "green" technologies. Intelligent storage bridges that allow different storage types to all hang behind one controller card instead of each of them having their own separate network is certainly green. A storage controller that virtualizes different vendor's storage arrays behind it brings down initial costs and reduces the need for specialized training to know the ins-and-outs of each system.
About this author: Enterprise Management Associates (EMA) Senior Storage Analyst, and Ask Mr. Storage writer, Curtis Breville is a storage industry veteran with over two decades of experience ranging from technical roles with small businesses to consulting, architecting solutions for, and selling to some of the largest and most complex data centers in the world.
Dig Deeper on Tape backup and tape libraries
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