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Multipath HA with one quad-port SAS HBA and two single-shelf stacks

The following worksheet and cabling example uses port pairs 1a/1d and 1c/1b:

Multipath HA with two quad-port SAS HBAs and two multi-shelf stacks

Four port pairs are available for this configuration: 1a/2b, 2a/1d, 1c/2d, and 2c/1b. You can cable port pairs
in the order in which they are identified (listed in the worksheet) or you can cable every other port pair (skip
port pairs).

Note:

When you have more port pairs than you need to cable the stacks in your system, the best practice is

to skip port pairs to optimize the SAS ports on your system. By optimizing SAS ports, you optimize your
system's performance.

.

Controller-to-stack cabling worksheets and cabling examples for common multipath HA configurations

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Содержание DM120S

Страница 1: ...Installation and Cabling Guide for DM120S DM240S and DM600S Machine Types 7Y58 7Y59 and 7Y43 ...

Страница 2: ...t Lenovo 2018 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Страница 3: ...bling examples for multipath HA configurations with quad port SAS HBAs 19 Controller to stack cabling worksheets and cabling examples for multipath HA configurations with four onboard SAS ports 23 Chapter 5 Controller to stack cabling worksheets and cabling examples for common DM3000x DM5000x or DM7000x configurations 29 Chapter 6 Controller to stack cabling worksheet and cabling example for a qua...

Страница 4: ...ii Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 5: ...regates for the second stack has the shelf ID preset to 10 You must set shelf IDs so they are unique within the HA pair configuration You can manually set shelf IDs or have shelf IDs automatically assigned for all disk shelves in the HA pair configuration using a command in maintenance mode Instructions for both methods are provided Disk shelves containing the root aggregates can be identified by ...

Страница 6: ...rLklB5GOP Youku https list youku com albumlist show id_51948223 For DM600S the video for this task is available at Youtube https www youtube com playlist list PLYV5R7hVcs BDPWjJVZFuHRfNWPEOhFWJ Youku https list youku com albumlist show id_51950116 Step 1 Install the rack mount kit for two post or four post rack installations that came with your disk shelf using the installation flyer that came wit...

Страница 7: ...r 1 Raised button on the right side of the drive carrier e Lower the drive straight down and then rotate the cam handle down until the drive snaps into place under the orange release latch f Repeat the previous substeps for each drive in the drawer You must be sure that slots 0 3 6 and 9 in each drawer contain drives g Carefully push the drive drawer back into the enclosure Attention Possible loss...

Страница 8: ... in the Requirements for installing and cabling disk shelves with IOM12 modules for a new system installation section and installed the disk shelves in the rack About this task After you cable the disk shelves you power them on set the shelf IDs and complete system setup and configuration Step 1 Cable the shelf to shelf connections within each stack If the system has more than one stack repeat thi...

Страница 9: ...al first shelf in the stack connect IOM A port 4 to the next shelf s IOM A port 2 until each IOM A in the stack is connected c Repeat substeps a and b for IOM B d Repeat substeps a through c for each stack Step 2 Identify the controller SAS port pairs that you can use to cable the controller to stack connections a Check the controller to stack cabling worksheets and cabling examples sections to se...

Страница 10: ...place with the power cord retainer and then connect the power cords to different power sources for resiliency b Turn on the power supplies for each disk shelf and wait for the disk drives to spin up Step 5 Set the shelf IDs and complete system setup You must set shelf IDs so they are unique within the HA pair configuration including the internal disk shelf in a DM3000x DM5000x or DM7000x 6 Install...

Страница 11: ...nal disk shelf a Power on the controllers b As the controllers start booting press C Ct tr rll C C to abort the AUTOBOOT process when you see the message Starting AUTOBOOT press Ctrl C to abort Note If you miss the prompt and the controllers boot to ONTAP halt both controllers and then boot both controllers to the menu by entering boot_ontap menu at their LOADER prompt c Boot one controller to Mai...

Страница 12: ...enable disk ownership automatic assignment manually assign disk ownership otherwise go to the next step a Display all unowned disks storage disk show container type unassigned b Assign each disk storage disk assign disk disk_name owner owner_name You can use the wildcard character to assign more than one disk at once Step 7 Verify that in band ACP was automatically enabled storage shelfacp show In...

Страница 13: ...g the corrective actions provided by the error messages Considerations for hot adding disk shelves with IOM12 modules You should familiarize yourself with aspects and best practices about this procedure before hot adding disk shelves General considerations If you are hot adding a disk shelf with IOM12 modules to an existing stack of disk shelves with IOM12 modules you can hot add the disk shelf to...

Страница 14: ... manufacturer specifications define the minimum bend radius however a general guideline for minimum bend radius is 10 times the cable diameter Using Velcro wraps instead of tie wraps to bundle and secure system cables allows for easier cable adjustments Installing disk shelves with IOM12 modules for a hot add For each disk shelf you are hot adding you install the disk shelf into a rack connect the...

Страница 15: ...ves the remaining ten drives are distributed evenly throughout the shelf in slots 1 and 10 of each drawer The following illustration shows how the drives are numbered from 0 to 11 in each drive drawer within the shelf In a shelf containing 30 drives slots 0 1 3 6 9 and 10 must contain drives a Reinstall any power supplies and IOMs you removed prior to installing your disk shelf into the rack b Ope...

Страница 16: ...000x DM5000x or DM7000x configuration shelf IDs must be unique across the internal disk shelf and externally attached disk shelves You can use the following substeps to change shelf IDs or for more detailed instructions use the procedure in the Changing the disk shelf ID section a If needed run the storage shelf show fields shelf id command to see a list of shelf IDs already in use and duplicates ...

Страница 17: ...eed to manually assign disk ownership if disks in the stack are owned by both controllers in an HA pair You disable disk ownership automatic assignment before cabling the hot added disk shelves and then later in step 7 you reenable it after cabling the hot added disk shelves a Verify if disk ownership automatic assignment is enabled storage disk option show If you have an HA pair you can enter the...

Страница 18: ...e logical first shelf in the stack connect IOM A port 4 to the next shelf s IOM A port 2 until each IOM A in the stack is connected iii Repeat substeps i and ii for IOM B b Check the controller to stack cabling worksheets and cabling examples sections to see whether a completed worksheet exists for your configuration c If there is a completed worksheet for your configuration cable the controller t...

Страница 19: ...000x or DM7000x single path HA or single path configuration These instructions are for hot adding to the end of the stack that does not have controller to stack connections a Cable the shelf to shelf connection between IOM A of the disk shelf in the stack and IOM A of the disk shelf you are hot adding b Verify that the cable is securely fastened c Repeat applicable substeps for IOM B Step 4 Verify...

Страница 20: ... each disk storage disk assign disk disk_name owner owner_name You can use the wildcard character to assign more than one disk at once c Reenable disk ownership automatic assignment if needed storage disk option modify node node_name autoassign on You need to reenable disk ownership automatic assignment on both controllers in an HA pair Step 6 If your configuration is running in band ACP verify th...

Страница 21: ...ink Step 5 Change the second number of the shelf ID by pressing and holding the button until the second number on the digital display blinks which can take up to three seconds The first number on the digital display stops blinking Step 6 Press the button to advance the number until you reach the desired number from 1 to 9 The second number continues to blink Step 7 Lock in the desired number and e...

Страница 22: ...0 You must change the soft ID duplicate number a Run the storage shelf show fields shelf id command to see a list of shelf IDs already in use including any duplicate IDs b If your system has any duplicate shelf IDs change the duplicate shelf IDs by repeating this procedure 18 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 23: ...onnectivity section Cabling examples show controller to stack cables as solid or dashed to distinguish controller A and C port connections from controller B and D port connections Cables in the cabling examples and their corresponding port pairs in the worksheets are color coded to distinguish connectivity to each stack in the HA pair Worksheets and cabling examples show cabling port pairs in the ...

Страница 24: ...Multipath HA with one quad port SAS HBA and one single shelf stack The following worksheet and cabling example uses port pair 1a 1d 20 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 25: ...c 1b You can cable port pairs in the order in which they are identified listed in the worksheet or you can cable every other port pair skip port pairs Note When you have more port pairs than you need to cable the stacks in your system the best practice is to skip port pairs to optimize the SAS ports on your system By optimizing SAS ports you optimize your system s performance Chapter 4 Controller ...

Страница 26: ...owing worksheet and cabling example shows port pairs being used in the order in which they are listed in the worksheet 1a 2b 2a 1d 1c 2d and 2c 1b 22 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 27: ...pped Controller to stack cabling worksheets and cabling examples for multipath HA configurations with four onboard SAS ports You can use the completed controller to stack cabling worksheets and cabling examples to cable common multipath HA configurations that have four onboard SAS ports Chapter 4 Controller to stack cabling worksheets and cabling examples for common multipath HA configurations 23 ...

Страница 28: ...Multipath HA with four onboard SAS ports and one single shelf stack The following worksheet and cabling example uses port pair 0a 0d 24 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 29: ...c 1d and 1c 0b You can cable port pairs in the order in which they are identified listed in the worksheet or you can cable every other port pair skip port pairs Note When you have more port pairs than you need to cable the stacks in your system the best practice is to skip port pairs to optimize the SAS ports on your system By optimizing SAS ports you optimize your system s performance Chapter 4 C...

Страница 30: ...owing worksheet and cabling example shows port pairs being used in the order in which they are listed in the worksheet 0a 1b 1a 0d 0c 1d and 1c 0b 26 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 31: ...airs being skipped to use every other one in the list 0a 1b and 0c 1d Note If a third stack is added later you use the port pair that was skipped Chapter 4 Controller to stack cabling worksheets and cabling examples for common multipath HA configurations 27 ...

Страница 32: ...28 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 33: ...nformation about supported configurations shelf to shelf connectivity and controller to shelf connectivity including DM3000x DM5000x or DM7000x port 0b same domain connectivity Cabling examples show controller to stack cables as solid or dashed to distinguish controller 0b port connections from controller 0a port connections Cabling examples show controller to stack connections and shelf to shelf ...

Страница 34: ...000x DM5000x or DM7000x multipath HA configuration with one multi shelf stack The following worksheet and cabling example uses port pair 0a 0b 30 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 35: ... slot numbering convention shelf to shelf connectivity and controller to shelf connectivity including the use of port pairs If needed you can refer to the How to read a worksheet to cable controller to stack connections for quad pathed connectivity section The cabling example shows controller to stack cables as solid or dashed to distinguish controller A and C port connections from controller B an...

Страница 36: ...red to as quad pathed because completing this set of cabling gives you the quad pathed connectivity The worksheet example shows port pairs designated for multipathed cabling or quad pathed cabling to the applicable stack Each port pair designated for multipathed cabling is encircled by an oval that is the color associated with the stack it is cabled to Each port pair designated for quad pathed cab...

Страница 37: ...eet and cabling example uses port pairs 1a 2b multipathed and 2a 1d quad pathed for stack 1 and port pairs 1c 2d multipathed and 2c 1b quad pathed for stack2 Chapter 6 Controller to stack cabling worksheet and cabling example for a quad path HA configuration with two quad port SAS HBAs 33 ...

Страница 38: ...34 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 39: ...e resilience to maintain availability and minimize the reliance on controller takeovers You should avoid deviating from the rules deviations might reduce reliability universality and commonality Configuration rules Disk shelves with IOM12 modules are supported in specific types of HA pair configurations HA pair configurations must be cabled as multipath HA or quad path HA configurations with the f...

Страница 40: ...tandard shelf to shelf connectivity is used in multipath HA multipath single path HA and single path configurations Standard shelf to shelf connectivity is what is being used in existing SAS storage configurations with IOM3 and IOM6 modules one cable connection is needed between isk shelves in each domain domain A IOM A and domain B IOM B Best practice is to use IOM ports 3 and 1 for standard shel...

Страница 41: ...ity are shown with blue Controller to stack connection rules You can correctly cable the SAS connections from each controller to each stack in an HA pair configuration by understanding that SAS disk shelves use software based disk ownership how controller ports A C and B D are connected to stacks how controller ports A C and B D are organized into port pairs and how DM3000x DM5000x or DM7000x port...

Страница 42: ...HBA and two stacks of disk shelves Connections to stack 1 are shown in blue Connections to stack 2 are shown in orange Controller B and D port connection rules for non DM3000x DM5000x or DM7000x configurations B and D ports are always the secondary paths to a stack B and D ports always connect to the logical last disk shelf in a stack B and D ports always connect to disk shelf IOM ports 3 and 4 IO...

Страница 43: ... SAS ports on each controller in your system You increase system resiliency by incorporating all SAS ports on an HBA in a physical PCI slot slot 1 N and on board the controller slot 0 into port pairs Do not exclude any SAS ports Port pairs are identified and organized as follows 1 List A ports and then C ports in sequence of slots 0 1 2 3 and so on For example 1a 2a 3a 1c 2c 3c 2 List B ports and ...

Страница 44: ...ultipathed connectivity on page 43 Chapter 10 Controller to stack cabling worksheet template for quad pathed connectivity on page 49 DM3000x DM5000x or DM7000x controller 0b and 0a port connection rules to external disk shelves The DM3000x DM5000x or DM7000x has a unique set of connection rules because each controller must maintain same domain connectivity between the internal storage port 0b and ...

Страница 45: ...The following illustration highlights internal storage port 0b domain connectivity for a DM3000x DM5000x or DM7000x multipath HA configuration Chapter 7 SAS cabling rules 41 ...

Страница 46: ...42 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 47: ...e or more stacks Examples of completed worksheets are provided for multipath HA and multipath configurations A configuration with two quad port SAS HBAs and two stacks of disk shelves with IOM12 modules is used for the worksheet examples The worksheet template allows for up to six stacks you need to add more columns if needed If needed you can refer to the SAS cabling rules section for information...

Страница 48: ...port pair 1c 2d is cabled to stack3 and port pair 2c 1b is cabled to stack 4 When not all port pairs are needed to cable the stacks in your system skip port pairs use every other port pair For example in a multipath HA configuration with eight SAS ports and two stacks port pair 1a 2b is cabled to stack 1 and port pair 1c 2d is cabled to stack 2 If two additional stacks are hot added later port pai...

Страница 49: ...You can use your completed worksheet to cable your system Chapter 8 Controller to stack cabling worksheet template for multipathed connectivity 45 ...

Страница 50: ...46 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 51: ... controller to stack connections The configuration used in this example is a multipath HA configuration with two quad port SAS HBAs eight SAS ports on each controller and two stacks of disk shelves with IOM12 modules Port pairs are cabled by skipping every other port pair in the worksheet Note When you have more port pairs than you need to cable the stacks in your system the best practice is to sk...

Страница 52: ...ort 3 d Cable controller 2 port 2b to stack 1 last shelf IOM A port 3 Step 2 Cable port pair 1c 2d on each controller to stack 2 a Cable controller 1 port 1c to stack 2 first shelf IOM A port 1 b Cable controller 2 port 1c to stack 2 first shelf IOM B port 1 c Cable controller 1 port 2d to stack 2 last shelf IOM B port 3 d Cable controller 2 port 2d to stack 2 last shelf IOM A port 3 48 Installati...

Страница 53: ...as quad pathed because completing this set of cabling gives you the quad pathed connectivity from a controller to a stack in an HA pair configuration Disk shelf IOM ports 1 and 3 are always used for multipathed cabling and IOM ports 2 and 4 are always used for quad pathed cabling as designated by the worksheet column headings In the worksheet examples port pairs are designated for multipathed cabl...

Страница 54: ...ts of cabling are needed to achieve quad pathed connectivity from each controller to stack 1 in your HA pair configuration The following example uses port pair 1a 2b for the multipathed cabling and port pair 2a 1d for the quad pathed cabling to stack 1 Step 5 Identify the two sets of port pairs to connect to stack 2 by drawing an oval around the first set of port pairs and a rectangle around the s...

Страница 55: ...lowing worksheet and cabling example to demonstrate how to read a worksheet to cable controller to stack connections The configuration used in this example is a quad path HA configuration with two quad port SAS HBAs on each controller and two stacks of disk shelves with IOM12 modules If needed you can refer to the SAS cabling rules section for information about the controller slot numbering conven...

Страница 56: ...Cable controller 1 port 2a to stack 1 first shelf IOM A port 2 b Cable controller 2 port 2a to stack 1 first shelf IOM B port 2 c Cable controller 1 port 1d to stack 1 last shelf IOM B port 4 d Cable controller 2 port 1d to stack 1 last shelf IOM A port 4 Step 3 Cable port pair 1c 2d on each controller to stack 2 This is the multipathed cabling for stack 2 a Cable controller 1 port 1c to stack 2 f...

Страница 57: ...t 2c to stack 2 first shelf IOM A port 2 b Cable controller 2 port 2c to stack 2 first shelf IOM B port 2 c Cable controller 1 port 1b to stack 2 last shelf IOM B port 4 d Cable controller 2 port 1b to stack 2 last shelf IOM A port 4 Chapter 11 How to read a worksheet to cable controller to stack connections for quad pathed connectivity 53 ...

Страница 58: ...54 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 59: ...t the recommended conductor size for 2 percent voltage drop for a particular distance measured in feet taken from the Radio Engineer s Handbook The circuits in the following tables are described in American Wire Gauge AWG measurements 110V single phase 20A circuit 30A circuit 40A circuit 50A circuit 25 feet 12 AWG 10 AWG 8 AWG 8 AWG 50 feet 8 AWG 6 AWG 6 AWG 4 AWG 75 feet 6 AWG 4 AWG 4 AWG 2 AWG 2...

Страница 60: ...56 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 61: ...rvice Provider To locate a service provider authorized by Lenovo to provide warranty service go to https datacentersupport lenovo com serviceprovider and use filter searching for different countries For Lenovo support telephone numbers see https datacentersupport lenovo com supportphonelist for your region support details Copyright Lenovo 2018 57 ...

Страница 62: ...58 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 63: ...n new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not ...

Страница 64: ...emarks LENOVO LENOVO logo and THINKSYSTEM are trademarks of Lenovo All other trademarks are the property of their respective owners 2018 Lenovo 60 Installation and Cabling Guide for DM120S DM240S and DM600S ...

Страница 65: ...12 modules for a new system installation 4 how to read a worksheet for multipath HA and multipath configurations 47 how to read a worksheet for quad path HA and quad path configurations 51 rules 37 worksheet template for multipath HA and multipath configurations 43 worksheet template for quad path HA and quad path configurations 49 controller to stack cabling examples of common DM3000x or DM5000x ...

Страница 66: ...eet template for multipath HA and multipath configurations 43 controller to stack cabling worksheet template for quad path HA and quad path configurations 49 powering on disk shelves for a hot add 10 for a new system installation 4 Q quad path configurations controller to stack cabling worksheet template 49 how to read a worksheet to cable controller to stack connections 51 quad path HA controller...

Страница 67: ...nfiguration with two quad port SAS HBAs 31 worksheets controller to stack cabling template for multipath HA and multipath configurations 43 controller to stack cabling template for quad path HA and quad path configurations 49 how to read to cable controller to stack connections for multipath HA and multipath configurations 47 how to read to cable controller to stack connections for quad path HA an...

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