NetApp Disk Shelf Models and Cabling Tutorial Video

now used to offer fibre channel the shelves with the controller connected to the shelf through a fiber channel part and cable the fiber channel diff shelves have however been end-of-life for some time the current models are SAS this shelves which stands for serial Attached scuzzy meaning the controller connects to the shelf through a size port and cable now offer three types of disks to fit into the shelves SSD solid state drives SAS HDD and SATA HDD hard drives all three types of disks fit into the SAS disk shelves okay so there's no such thing as an SSD disk shelf or a SATA disk shelf the disk shelves are always SAS meaning they're connected to the controller with a SAS cable but those SAS shelves can take the SSD the SAS and the SATA type drives of those free drive types SSD drives offer the best performance but we've got the highest cost per gigabyte of storage our SATA drives which you'll see are twisted as high-capacity drives and a net up website they offer the lowest performance but they've got the worst cost per gigabyte and finally our SAS drives offer a balanced performance and cost per gigabyte I could have made up some slides to show you the the shelves were available but net up have done a really good job of that on their website so let's look there now so here we are on the WWN AECOM website and the place we go to find our hardware and software information is on the products menu on the top so I hover my mouse over there and you can see all that fuel information what we're interested in for this lesson is dis shelves storage media so let's look there we learned on the overview page which gives us some general information we want more details so I'm going to click on the compare page and you can see this page shows us the four models of shelf that are currently available the DX for this shelf twenty to forty six forty to forty six forty four eighty six and forty to forty three we can glean some information about the Shelf from the model number the first digit is how many rack units is so the twenty to forty six is two rack units the forty to forty six forty four eighty six and forty to forty three are all larger for rack units in size the next two digits in the model number are how many drives are supported per shelf so before if 486 can take forty eight drives per shelf for twenty to forty six forty to forty six and forty to forty three all take twenty four drives per shelf and the last digit in the part number tells us the SAS bus speed so the forty to forty three runs jewel 3 second the other shelves all run at six gigabits per second then we can get information about the different types of drives that are supported high capacity hdds are our SATA drives and you can see that they're supported in all the different shelves apart from the 2246 our performance hdds are the SAS drives they're supported in only the twenty to forty six and ultra performance SS these are obviously our SSDs Nate notice that we've got this pure and mixed or mixed only that's talking about flash pool when they talk about mix which is going to be covered in a later lesson so don't worry about it yet pure means that it's all SSDs are not shelf and that's only supported in the twenty to forty six to drill down into deeper information we can click on the tech specs page this gives us fueler information including the capacities of drives that are supported so you can see our high capacity setter drives go from two terabytes up to six terabytes and they run at 7200 rpm our SAS drives are available at 600 and 900 gigabytes and 1.2 terabytes and they run a 10k RPM and our solid-state drives are available in sizes from 200 gigabytes up to 1.2 terabytes and if I scroll down on this page I can get detailed environmental information also notice fit all the drives have got redundant power supplies in them next let's look at the disk shelves this is our two night unit this shelf which is the DS 2246 it takes up to 24 disks which are fitted into the Shelf vertically at the front here they are hot swappable over on the Left we've got the Shelf ID indicator with your shelves you can have up to 10 shelves and a stack for the numbering the first stack starts at 0 the next stack starts at 10 and then 20 and so on and was a panel over here on the left where you can set the shelf ID so it's our two rack unit shelf moving on to our four rat unit shelf that's the DS 42 46 44 86 and 42 43 so double the size and you see the slots for our disks here are arranged horizontally looking at the back about the shelves this is the DS 2246 first so we've got redundant power supplies down at the bottom and then on top we've got our I all modules in the i/o module it's got to a thorough net parts for the AC P connection and to SAS parts we have two i/o modules because we need to have enough parts there to connect to both controllers for high availability the back of the for you the Shelbys is very similar we've got two i/o modules again with the same amount of ports on there they are arranged top and bottom in the shelf and we've got four slots for power supplies next let's see how to do the cabling between our controllers and our disk shelves so the example here is for a high availability pair two controllers with two quad part SAS HBS and we've got two stacks of disk shelves when we do the cabling it's split up and doing it in different sections to simplify it so the first thing we do is we daisy chain our SAS ports so section one here if we look back at the shelves notice that for both the ACP connections and the SAS connections were labeled with a square and a circle that's important for when we do the cabling so the first part of the cabling we do is dizzy chaining down our SAS ports on the top shelf in the stack on our module a we connect the circle SAS port to the square part below and then we dizzy chin down like that going Circle Square Circle Square all the way down through the stack so we do that when IO module a and we do the same thing on our module B as well and we also do that for stack two next we're ready to cable our controllers to our stacks so part two here on a spear part on controller one it gets connected to the top square size part on stack one and then on another size part and controller one it gets connected to the again the top square part on IO module a on stack 2 and similarly on control we're to we connect the size port to the top square size part on i/o module B we do that in both stack one and on stack two so that was the top size connections from the controls next up part 3 we cable the bottom size connections this is what gives us our multipath high availability if we lose any of the parts or the cables or the shelves and the stack we can still get to all of the other shelves so for this on another size part on controller 1 it gets connected down to the circle part on Io module be in the bottom shelf in the stack we do got one stack one and on stack two and from control or 2 we take a SAS part and we cable it to the bottom circle part on i/o module a on stack one and stack two and once we've done that we've completed the SAS cabling all we have left to do is our ACP connections so for ACP that uses an Ethernet part so from controller one we've got an Ethernet cable going into a part there and then that gets connected to the top square ACP par on IO module a on stack one then we dizzy chain down on the AC P connections Circle Square Circle Square down to the bottom shelf and the stack and then on the Belton shelf we connect from the circle AC P part up to the top square AC P part on IO module B on stack one then we daisy chain down through io module B Circle Square Circle Square again and then from the bottom circle AC P part on stack one on our module B we connect up to the top square AC P part on IO module a on stack 2 then we cable up the same way as we did on stack one so we dizzy chained down and then back up to IO module B and then daisy chain down again and finally from the bottom circular AC P part on IO module B on stack two we connect up to an Ethernet part on controller 2 now all of that probably looked a little bit complicated so you'll be glad to hear that as usual the NetApp documentation is really good for this so let's have a look at that Here I am back on the net documentation site you saw this earlier when I showed you the documentation for data on top 8 now I want to see the documentation for the controllers so I'll scroll down to F and there you'll see the documentation for all of the different files controllers now let's take a look at an example here I've opened up the setup and installation guide for the Phi's 80/20 it's great it's only four pages along so it's really concise and one page to here and you can see it shows me how you do my various cabling options with the files 2500 you can have a single controller system with four twenty five twenty you can go up to four nodes and on the 25:52 and 2554 you can go up to eight nodes on our 8000 series platforms you can start off at two nodes and you can go up to eight nodes if you're running some protocols if you're only running Nass protocols you can go up to 24 nodes so if you've only got two nodes in your cluster then maybe you're not going to want to have those external cluster interconnect switches you've only got two nodes where you need to have external switches why can't you just connect them directly to each other and yes you can do that so that's what you see an option a here it's a two node switch let's cluster we've only got two nodes in our cluster and we've got them directly connected to each other the documentation makes it really easy and clear to see what gets cabled up where we've got the green cables here is for the cost an interconnect directly between the two controllers not going through a switch if we had more than two nodes in our cluster then we're going to need those external physical switches for the cluster interconnect it also shows you here about what parts are going to go to your your data network what parts are going to be used for management and if I scroll a little further down it shows you how to cable everything out if you've got the switch configuration using those external clustering or connect switches and further down on the next page it also shows us how to cable up our disk shelves net up have got system and installation gates for all the different models of controller so if you're going to be deploying one of these download that guide from the NetApp website and it will show you exactly how to cable everything up

Channel: Flackbox

Views: 35,456

Rating: 4.7719297 out of 5

Keywords: DS4486, DS4246, FAS, DS224C, DS4243, Flackbox, Disk Shelf, DS2246, NetApp, Cabling, DS14mk4, Model, DS14mk2

Id: HXIMbEXKaHA

Length: 14min 41sec (881 seconds)

Published: Thu Aug 04 2016