Your network contains 20 iSCSI storage appliances that will provide storage for 50 Hyper-V
hosts running Windows Server 2012 R2.
You need to configure the storage for the Hyper-V hosts. The solution must minimize
administrative effort.
What should you do first?
A.
Install the iSCSI Target Server role service and configure iSCSI targets.
B.
Install the iSNS Server service feature and create a Discovery Domain.
C.
Start the Microsoft iSCSI Initiator Service and configure the iSCSI Initiator Properties.
D.
Install the Multipath I/O (MPIO) feature and configure the MPIO Properties.
Explanation:
Ref:
http://technet.microsoft.com/en-us/library/cc753442.aspx
http://technet.microsoft.com/en-us/library/cc772568.aspx
I think its ‘A’ as per the TechNet article in the explanation you will need to add the iSCSI targets during the discovery domain configuration thus ‘A’ 1st.
i think it is B correct
((To summarize, in order for an iSCSI target to be discovered by an iSCSI initiator, both must be members of the same Discovery Domain, and that Discovery Domain must be a member of an enabled Discovery Domain Set.))
http://technet.microsoft.com/en-us/library/cc753442.aspx
I am comfortable with Answer A.
Install Install iSCSI Target Server Role and Configure Targets.
Answer B, Install iSNS Server is for Initiators to AUTOMATICALLY Discover Targets.
(This is an answer for another question on the exam and good to remember)
Here is the same Question in another form.
Provide iSCSI Storage to a Server.
Your network contains three servers named Server1, Server2, and Server3.
All servers run Windows Server 2012.
You need to ensure that Server1 can provide iSCSI storage for Server2 and Server3.
What should you do on Server1?
A. Start the Microsoft iSCSI Initiator Service and configure the iSCSI Initiator Properties.
B. Install the iSNS Server service feature and create a Discovery Domain.
C. Install the Multipath I/O (MPIO) feature and configure the MPIO Properties.
D. Install the iSCSI Target Server role service and configure iSCSI targets.
Correct Answer: D
B
key is minimise admin effort:
in a large network, it’s much more manageable if you can find targets automatically.
iSNS Server is an installable Windows Server feature. iSNS acts as a central repository of iSCSI components that are available on a network.
iSNS generally works like this: First,you register iSCSI initiators and targets with the iSNS server. You then configure each iSCSI, Initiator with the address of the iSNS server. After that, initiators are able to query iSNS for a list of targets available on the network.
hah, you got the key right. When you have 50 drives you better have ISNS lol
I think the key here is that they are ’20 iSCSI storage appliances’. It doesn’t specify it being disks attached to another Windows server that would need the iSCSI Target role installed to get them started. It sounds like they are already set up as targets.
With that, I would go with B, iSNS Server service.
Correction to the above explanation.
After looking at the wording again. You are NOT Configuring the Storage\Target. You are Configuring the Host CONNECTION\Initiator to the Storage.
Answer:
Start the Microsoft iSCSI Initiator Service and Configure the iSCSI Initiator Properties.
—————————————————————————–
The ‘Alternative Question’ I posted above is to Configure the Storage\Target.
Microsoft is smooth with the wording.
From Pluralsight videos:
1. configure initiator
2. create storage on target
3. back to initiator to select the target and connect to it.
isns server service – provides a location for targets and initiators to register to. To be able to see registered iscsi initiator and targets in list.
Even if the targets are not connected, 2 places I read where the initiator must be configured first, before targets. (for some reason, my paste function is not working only on aiotestking. Google configuring iscsi storage Mitch Tulloch)
No where in the question does it say that the initiator has been created, no where does it say that the storage has been created as targets. I think that you are on the first step to create the storage, so I would go with
c. start the microsoft iscsi initiator service and configure iscsi initiator properties.
I agree with you
hmm on a second though “you need to configure the storage” makes me go for B
Yep. C.
You’re configuring the storage for the Hyper V hosts. Even if you decide to use iSNS, you still need to “start the initiator service and configure its properties”. You can’t have iSNS without active initiators!
Yes, you can – it’s just pretty useless without registered targets or initiators..
The order isn’t necessary to setup first the initiator, then the target! If you’re deploying a production environment, you have a solution designer or architect draft the entire network and storage fabric and assign static IPs for everything. So you could present the targets to the servers based not only on their IQNs, but also MAC addresses and IPs.
Regardless, in this case the correct answer should be C, yes.
c
“A software iSCSI initiator is installed by default on Windows Server 2012 and Hyper-V Server 2012 as the MSiSCSI service. However, the MSiSCSI service isn’t set to automatically startup, so we can start the MSiSCSI service with the following PowerShell command lines:
Set-Service –Name MSiSCSI –StartupType Automatic”
(http://blogs.technet.com/b/keithmayer/archive/2013/03/12/speaking-iscsi-with-windows-server-2012-and-hyper-v.aspx)
I believe it’s B
The wording of the question is key, it states “the solution must minimize administrative effort.” and “what should you do first”
The first thing to do if you wanted to make it easy is install iSNS.
wtf guys lol, doing this exam in 10 days. no idea on this one.
Ok thanks,
I was convinced of B. Now i’m not sure if it’s A,B,C or D.
The point of iSNS is automation in situations where… let’s say you have 20 iSCSI appliances. I have to believe some knowledge of iSNS is the point of the question.
There is another question with only two iSCSI servers, and in that question, the answer is not iSNS and with two targets – it’s not the least amount of effort.
This is a frustrating question. But I also have to go with C.
A is presumably wrong, because you already have iSCSI storage appliances that have already been configured as iSCSI Targets.
B is wrong only because the hosts have not been configured yet to “look” for targets. Before they can do that, the iSCSI initiator service hasn’t been started. Once it is started, iSNS is a prudent way to go.
D is just all the way wrong. There’s no need for multi-path I/O.
Its C 100%
I think the wording is very clever and might possibly lead many people down the wrong path as is shown in the discussion here so far
Read the wording carefully
Scenario is that you have 20 storage devices that will provide storage for 50
Hyper-V hosts and you need to configure the storage for the 50 Hyper-V hosts
IMO This indicates that no configuration has yet taken place
Many people will be looking at the current setup in the question but for minimal admin effort in the future…
Consider that each Hyper-V Host can have a maximum of 1024 Virtual Machines running
https://technet.microsoft.com/en-GB/library/jj680093.aspx
Would you like to manually configure each on of those iSCSI initiators to look for an iSCSI Target hosted on any one of your possible 20 storage devices ?
IMO The best solution is to install iSNS feature first.
You can then configure your targets and initiators to point at it for autodiscovery which will minimise future admin effort
https://technet.microsoft.com/en-gb/library/cc725692.aspx
After you have installed one or more iSNS servers, configure each iSCSI initiator and target in your SAN to use an iSNS server for discovery. This configuration is done in the configuration tools for initiators and targets, such as iSCSI Initiator in Control Panel.
I would go for B
I think A, do you not have to configure the targets before you can use them with the iSNS feature?
On second thoughts I think it is C. The official Microsoft process tells you to configure the initiator first, then go to the target and then back onto the initiator.
It can be done in any order but I would go with the order Microsoft advise.
My thinking is that you do not create a discovery domain until you have your initiators and targets? And CBT nuggets/Microsoft tell you to configure initiator before the target
Changed my mind, B sounds right.
Configure iSNS and then add all of the targets and initiators into the iSNS discovery domain
Except B says “Install the iSNS Server….” rather than “Configure iSNS…” – therefore your previous choice of C) is correct.
Its C 100% Microsoft exam experience
Yeah fuck you that means jack shit to anyone here.
Answer is A.
Windows server2012R2 includes an iSCSI Target role that, along with failover clustering, allows it to become a cost effective and high available iSCSI storage area. You can connect from our Hyper-v host to the iSCSI target on the storage array with the following PowerShell command line:
New-IscsiTargetPortal TargetPortalAddress
$target = Get-IscsiTarget
Connect-IscsiTarget NodeAddress $target.NodeAddress
Reference: Configure iSCSI Target Server Role on Windows Server 2012
Ok so let’s look at the question:
You need to configure the storage for the Hyper-V hosts. The solution must minimize
administrative effort.
So it wants to know what to do with the hosts that will connect to the storage appliances. Now, whether the storage appliance has been configured or not does not matter. What matter is what needs to be done to have the hosts connect to the appliance.
With that in mind, the correct answer would then be C.
Start the Microsoft iSCSI Initiator Service and configure the iSCSI Initiator Properties
I believe it’s B.
According to Technet (https://technet.microsoft.com/en-us/library/cc753442.aspx) :
It is possible to remove an iSCSI target from all Discovery Domains and manually configure an iSCSI initiator to access that target. This must be done outside of the context of an iSNS server and Discovery Domains, using the configuration tools for the initiator and the target, such as iSCSI Initiator in Control Panel.
Therefore, iSCSI Initiators and Targets are separate from iSNS. So in turn, iSNS will provide the least amount of effort.
B
It’s a very tricky question. Since everyone going for A, B & C, I will go with D. Remember, there must be a trick somewhere that made you believe its between ABC. So it must be D!
Jojo, good for you1 if you ever encounter the question in an exam i think you should defy them and choose answer E. 🙂
guys… minimize administrative effort for the job described, not the future administration. This takes out B.
reading the question tells me that nothing is configured yet so definitely should be A
I go for C, MS gives “storage appliance” which is likely a NAS server which would already be configured for iSCSI targets. iSNS is for iSCSI naming services like DNS for iSCSI and of which is NOT required for a simple iSCSI target connection. You simply need to connect to the iSCSI using the iSCSI Initioator and establish the connection.
B on the other hand isn’t specifically wrong, since there are x50 iSCSI clients it would be useful having a discovery domain but not required.
Wrote my 70-412 exam few days ago and passed with a good score!
File and Storage Solutions and Identity and Access Solutions (ADFS, RMS, etc.) were the most difficult parts of the 70-412 exam.
Some study materials that I used:
Books:
Microsoft Official Academic Course: Configuring Advanced Windows Server 2012 R2 Services (highly recommend, for it has more details and more Powershell and more sensible labs than other boos)
Mastering Windows Server 2012 R2
Windows Server 2012 R2: Inside-Out
Training Videos:
Pluralsight
Practice Tests:
PassLeader 70-412 exam dumps (pdf and vce: https://tr.im/Dkbt1, I got it with 10% free), really helpful for testing my knowledge before taking real exam.
All are just FYI, hope all can pass the exam easily. Good Luck!
AND AGAIN HERE! 🙂
OK, thanks! but we won’t purchase PassLeader!!! :D:D
A is completely wrong
iSCSI Target Server role allows server to become a cost-effective and highly-available iSCSI Storage Array. You have 20 storage appliances already
B is the next step not the first one
C is correct
Microsoft iSCSI Initiator Service should be running on all servers then you can ( B ) set up ISNS to discover and connect targets and initiators.
This is another of the badly worded questions where you need to look at the general idea that MS is going for rather than analysing the grammar.
I think they key points here are, 20 “appliances” (this to me says 20 3rd party SANs, god know what you will do with all of those!), and the good old “minimize administrative effort”.
Now “configure the storage”, this is pretty vague, I think that this means “get the LUNs mapped to the servers” not “start the initiator service”.
If you agree that the questions is going after automating the mapping of the storage from these 20 SANs to the 50 servers then B is the answer.
Except you’re missing the key sentence “What should you do FIRST”. Whether or not B minimizes administrative effort is irrelevant, because that’s the second step, not the first step.
it IS the first step because first you set up the iSNS Discovery Server stuff, and then you configure the iSCSI appliances with this server’s IP address. 3rd step would then be to configure all the 50 HV hosts, and here comes the benefit because you give’em also just the iSNS IP, enabling auto discover/configure all of the 20 iSCSI targets…
you are right @netadmin, but i think they are looking for B
I agree that “Storage Appliance” = Already configured iScsi targets. So no need to add a server role.
MPIO makes no sense.
C is a lot of administrative effort.
I’m going with B.
It is A
ANSWER IS A
Before you can begin to configure shared storage, you need to start Microsoft iSCSI Initiator service and set it to start automatically in the future.
Exam-Ref. 70-412 ,128 CHAPTER 2 Configure file and storage solutions.
How could you be able to connect hosts to the target storages with iSNS haven’t started iSCSI initiator function yet?
The key is – DO FIRST, NOT minimize administrative effort!
Explanation of ExamCollection PREMIUM:
Windows Server 2012 includes an iSCSI Target role that, along with Failover Clustering, allows it to become a cost-effective and highly-available iSCSI
Storage Array.
We can connect from our Hyper-V host to the iSCSI target on the storage array with the following PowerShell command line:
New-IscsiTargetPortal TargetPortalAddress
$target = Get-IscsiTarget
Connect-IscsiTarget NodeAddress $target.NodeAddress
Incorrect:
Not B. Discovery Domains in an iSCSI fabric, like zones in a Fibre Channel fabric, enable you to partition the storage resources in your storage area
network (SAN). By creating and managing Discovery Domains, you can control the iSCSI targets that each iSCSI initiator can see and log on to.
Reference: Configure iSCSI Target Server Role on Windows Server 2012
I think the answer is C “Start the Microsoft iSCSI Initiator Service and configure the iSCSI Initiator Properties”. The question saya “The solution must minimize administrative effort”
so if we first configure the initiator, later in identifying the Access Servers we do NOT need to manually type in the IQN of the initiator.
Forgot to mention, even if you type in the IQN value properly, some times you’ll end up facing problems in your network. So, the best way is to configure the initiator first.
I did my exam yesterday (passed with 876) and I had this question, despite my feeling I went for b and apparently it was the right choice, cause I got 100% on Configure and Manage High Availability, so it seems it’s the answer Microsoft is looking for!!
I am putting my faith in you… ive been researching this question for 30 minutes and i’ve given up. I am writing down B as the answer and going with it.
I hope you arent bullshitting us.
That’s great Fred. However, iSCSI isn’t in the “Configure and Manage High Availability” section. It’s in the “Configure File & Storage Solutions” section.
So what did you get for that?
and he didnt answer 🙂 I think under every question, there should be pool here.
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