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Lenovo DM240N Manual
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Lenovo DM240N Manual

Lenovo DM240N Manual

Hot-add a shelf, shelves, support for dg5000 and dg7000
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Hot-add a shelf - DM240N shelves
(support for DG5000 and DG7000)
DM240N

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Summary of Contents for Lenovo DM240N

  • Page 1 Hot-add a shelf - DM240N shelves (support for DG5000 and DG7000) DM240N...
  • Page 2 First Edition (July 2023) © Copyright Lenovo 2023. 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-...

  • Page 3: Table Of Contents

    Contents 1. Hot-add a shelf - DM240N shelves ..............

  • Page 4: Hot-Add A Shelf - Dm240N Shelves

    You cannot have exceeded the maximum number of shelves supported by your HA pair after hot-adding shelves. • If you are hot-adding a shelf to an HA pair that already has a DM240N shelf, your HA pair cannot have any storage cabling error messages, and it must be cabled as multipath HA.

  • Page 5: Prepare For A Hot-Add

    1.3.1. Prepare non-dedicated RoCE-capable ports for a hot-add If your HA pair has non-dedicated RoCE-capable ports that you are using to hot-add a DM240N drive shelf, you must make sure the ports are configured for storage use (not networking use).
  • Page 6  If your HA pair is running a version of ONTAP 9.6, you need to reboot the controllers, one at a time. If your HA pair is running ONTAP 9.7 or later, you do not need to reboot the  controllers, unless one or both controllers are in maintenance mode.

  • Page 7: Prepare A Dm7100F Or Dg7000 Ha Pair To Hot-Add A Second Shelf

    1.3.2. Prepare a DM7100F or DG7000 HA pair to hot-add a second shelf If you have a DM7100F or DG7000 HA pair with one DM240N drive shelf that is cabled to one set of RoCE-capable ports on each controller, you must recable the shelf (after you have installed the additional RoCE-capable PCIe cards or I/O modules) across both sets of ports on each controller, before hot-adding the second shelf.

  • Page 8: Prepare To Manually Assign Drive Ownership For A Hot-Add

    2. Verify that the recabled shelf is cabled correctly. 1.3.3. Prepare to manually assign drive ownership for a hot-add If you are manually assigning drive ownership for the DM240N drive shelf you are hot-adding, then you need to disable automatic drive assignment if it is enabled.

  • Page 9: Install A Drive Shelf For A Hot-Add

    You must disable automatic drive assignment on both controller modules. 1.4. Install a drive shelf for a hot-add Installing a new DM240N drive shelf involves installing the shelf into a rack or cabinet, connecting the power cords (which automatically powers on the shelf), and then setting the shelf ID.
  • Page 10 A fully loaded DM240N shelf can weigh up to 66.78 lbs (30.29 kg) and  requires two people to lift or use of a hydraulic lift. Avoid removing shelf components (from the front or rear of the shelf) to reduce the shelf weight, because shelf weight will become unbalanced.

  • Page 11: Cable A Drive Shelf For A Hot-Add

    1.5. Cable a drive shelf for a hot-add You cable each DM240N drive shelf you are hot-adding so that each shelf has two connections to each controller module in the HA pair. Depending on the number of shelves you are hot-adding and your system, you use RoCE-capable ports on board the controllers, on RoCE-capable PCIe cards, a combination of both, or on RoCE-capable I/O modules.
  • Page 12 Requirements for a hot-add • You must have completed the applicable preparation procedures. Prepare for a hot-add • You must have installed the shelves, powered them on, and set the shelf IDs. Install a drive shelf for a hot-add About this task When viewed from the rear of the chassis, the RoCE-capable card port on the left is port "a"...

  • Page 13: Cable A Hot-Add Shelf For A Dm7100F Ha Pair

    1.5.3. Cable a hot-add shelf for a DM7100F HA pair How you cable a DM240N drive shelf in a DM7100F HA pair depends on the number of shelves you are hot-adding and the number of RoCE-capable port sets (one or two) you are using on the controller modules.
  • Page 14 2. If you are hot-adding one or two shelves using two sets of RoCE-capable ports (on board and PCIe card RoCE-capable ports) on each controller module, complete the following substeps. Shelves Cabling Shelf 1 a. Cable NSM A port e0a to controller A port e0c. b.

  • Page 15: Cable A Hot-Add Shelf For A Dg7000 Ha Pair

    1.5.4. Cable a hot-add shelf for a DG7000 HA pair How you cable a DM240N drive shelf in a DG7000 HA pair depends on the number of shelves you are hot-adding and the number of RoCE-capable port sets (one or two) you are using on the controller modules.
  • Page 16 Steps 1. If you are hot-adding one shelf using one set of RoCE-capable ports on each controller module, and this is the only DM240N shelf in your HA pair, complete the following substeps. Otherwise, go to the next step. a. Cable shelf NSM A port e0a to controller A slot 4 port 1 (e4a).

  • Page 17: Complete The Hot-Add

    Otherwise, you are done with this procedure. Complete the hot-add 1.6. Complete the hot-add If you disabled automatic drive assignment as part of the preparation for the DM240N drive shelf hot-add, you need to manually assign drive ownership and then reenable automatic drive assignment if needed.
  • Page 18 Before you begin You must have already cabled your shelf as instructed for your HA pair. Cable a drive shelf for a hot-add Steps 1. Display all unowned drives: storage disk show -container-type unassigned You can enter the command on either controller module. 2.

  • Page 19: Appendix

    Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 20: Trademarks

    Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk.

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