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CH225 V3 Compute Node V100R001 User Guide 07

This document describes the appearance, functions, and structure of the CH225 V3 storage expansion compute node (CH225 V3 for short), and methods of installing, removing, and configuring the CH225 V3.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Installing a Hard Disk

Installing a Hard Disk

This section describes the precautions and procedure for installing a hard disk to a CH225 V3.

Scenarios

Install a hard disk in any of the following scenarios:

  • A faulty hard disk needs to be replaced.
  • A hard disk of a newer model needs to be used.
  • A hard disk without no free space needs to be replaced.
  • A hard disk needs to be added.
NOTE:
  • You do not need to power off the compute node when installing a hard disk.
  • Huawei-developed NVMe SSDs and other vendors' NVMe SSDs cannot be used together on one compute node.

The CH225 V3 supports a maximum of two 2.5-inch HDDs/SSDs and twelve 2.5-inch NVMe PCIe SSDs, which are shown in Figure 8-17.

Figure 8-17 Locations of HDDs/SSDs and NVMe PCIe SSDs
Table 8-5 CH225 V3 hard disk slot numbering

Disk0

Disk2

Disk3

Disk4

Disk5

Disk1

Disk6

Disk7

Disk8

Disk9

Disk10

Disk11

Disk12

Disk13

Prerequisites

Conditions

There is no special condition for this operation.

Data

Data preparation is not required for this operation.

Tools

Electrostatic discharge (ESD) gloves.

Hardware

Spare hard disk.

Procedure

Install a SAS or SATA HDD/SSD.

  1. Take the new hard disk out of its ESD bag.
  2. Open the handle and push in the hard disk along the guide rails until it does not move. See step (1) in Figure 8-18.

    Figure 8-18 Installing a hard disk

  3. Close the ejector level until it snaps into place. See step (2) in Figure 8-18.
  4. Follow-up Procedure.

    The following is only for reference:
    • If the original hard drive is not in the RAID group, the new hard drive becomes idle. You are advised to set the new hard drive as a global or dedicated hot spare drive. The procedure ends.
    • If the original RAID array (for example, RAID 0) does not support redundancy, reconfigure RAID. The procedure ends.
    • If the original RAID array is redundant and has a hot spare drive, the new hard drive becomes idle. You are advised to set the new hard drive as a global or dedicated hot spare drive. The procedure ends.
    • If the original RAID array is redundant but does not have a hot spare drive, data is automatically rebuilt to the new hard drive. The procedure ends.

      For details, see Huawei V2&V3 Server RAID Controller Card User Guide.

Install an NVMe PCIe SSD.

  1. Install the NVMe SSD driver.

    • Install drivers for Intel series NVMe SSDs.
      NOTE:
      • Download the latest driver as prompted.
      • If no such driver is available, use the latest hard disk driver provided by the OS.
      • For details about how to install the driver on the Windows OS, see Intel NVMe InstallGuide_330547-003.pdf obtained after the driver package is decompressed.
      • For details about how to install the driver on the Linux OS, see Intel_Linux_NVMe_Guide_330602-002.pdf obtained after the driver package is decompressed.
    • Install drivers for Huawei series NVMe SSDs.
      If the server runs a Linux OS, it is recommended that you install the driver of the ES3000 V3 to support hot swap and kernel upgrade. If the server runs a Windows OS, install the latest NVMe SSD driver.
      NOTE:
      • It is recommended that you install the latest driver.
      • If Huawei ES3000 V3 NVMe SSDs and Intel NVMe SSDs are installed on the same server, and the NVMe driver is installed on Huawei NVMe SSDs, the server will be unable to identify the drive letters of Intel NVMe SSDs.

  2. Take a spare NVMe SSD out of its ESD bag.

    NOTE:
    • You do not need to power off the compute node before installing an NVMe SSD.
    • Wait until the insertion of an NVMe SSD is complete before you install another one.
    • When replacing an NVMe SSD, wait for 15 seconds after it is removed before you install a new one.

  3. Install the NVMe SSD.

    • Installing the NVMe SSD on Windows
      1. Slowly insert the NVMe SSD into the hard disk slot. The procedure is the same as that for installing a SAS or SATA HDD/SSD.
      2. The green indicator for the NVMe SSD is off, and the yellow indicator blinks at 2 Hz. Both indicators then turn off 30 seconds later. When the green indicator becomes steady on, check the SSD status on the OS.
      3. If the NVMe SSD cannot be detected, open Device Manager and click Scan for hardware changes.
      4. Check the SSD status on the OS.
    • Installing the NVMe SSD on Linux
      1. Set a kernel parameter.

        Add pciehp.pciehp_force=1 pci=pcie_bus_perf to the grub.cfg file to support scheduled hot swap of NVMe SSDs. After the configuration, restart the compute node for the configuration to take effect.

        Log in to the OS, and open /boot/grub2/grub.cfg (in Legacy mode).

        Take the installation of Red Hat Enterprise Linux (RHEL) 7.1 in Legacy mode as an example.
        1. Run the cat /proc/cmdline command. In the command output, look for pciehp.pciehp_force=1 pci=pcie_bus_perf. If it cannot be found, you need to configure kernel parameters.
          Figure 8-19 Command output
        2. Run the vi /boot/grub2/grub.cfg command. On the displayed screen, locate the message displayed after you run cat /proc/cmdline in 3.a.i, and enter pciehp.pciehp_force=1 pci=pcie_bus_perf after it. Between the added content and its preceding content, a space is required and no line feed is allowed.
          Figure 8-20 Setting a kernel parameter
        3. Save the changes and restart the compute node.
        4. After the restart, run the cat /proc/cmdline command to check whether the kernel parameter is set successfully.
          Figure 8-21 Checking whether the kernel configuration is successful
      2. Upgrade the kernel or driver.

        The following takes RHEL 7.1 as an example.

        Take the Huawei-developed ES3000 V3 as an example, the kernel or driver must be upgraded. Otherwise, the NVMe SSD does not support the orderly hot swap function.

        1. Run the uname -r command to view the current kernel version.
          Figure 8-22 Querying the kernel or driver version
        2. Download the kernel or driver upgrade package. (kmod-hiodriver-4.0.2.1-3.10.0_229.el7.redhat.x86_64.rpm is used as an example.)

          Download link: http://support.huawei.com/enterprise/en/server/es3000-v3-pid-21500649/software

        3. Upload the upgrade package to the OS and run the following command to install it:

          rpm -ivh kmod-hiodriver-4.0.2.1-3.10.0_229.el7.redhat.x86_64.rpm

        4. Install the upgrade package. Restart the OS after the kernel upgrade.
        5. Run the uname -r command to verify the upgrade.

          If "3.10.0-229.el7.x86_64" is displayed, the upgrade is successful.

          If the upgrade does not take effect, you need to manually modify the grub.cfg file.

          Figure 8-23 Querying the kernel or driver version
      3. Slowly insert the NVMe SSD into the hard disk slot. The procedure is the same as that for installing a SAS or SATA HDD/SSD.
      4. The green indicator for the NVMe SSD is off, and the yellow indicator blinks at 2 Hz. Both indicators then turn off 30 seconds later. When the green indicator becomes steady on, check the SSD status on the OS.
        NOTE:

        The SSD power-on duration varies by vendor.

  4. (Optional) Install an OS on the NVMe SSD.

    NOTE:
    • When installing an OS on an NVMe SSD, load the NVMe SSD driver for the OS to detect the SSD.
    • The Legacy mode is required when you install an OS on an NVMe SSD.
    1. Set the Legacy mode.
      1. Press Del upon server startup to access the BIOS.
      2. Open the boot configuration screen and set Boot Type to Legacy.
      3. Press F10 to save the setting and exit.
    2. Install Windows Server 2012 on the NVMe SSD.
      1. Install the OS. If the NVMe SSD cannot be detected when the system scans for the target installation device, mount the NVMe SSD driver file by using the virtual DVD drive or floppy disk drive (FDD) on the iBMC WebUI.
      2. Download the NVMe SSD driver for Windows Server 2012, and generate a DVD ISO file or FDD IMG file.
      3. Load the NVMe SSD driver on the installation UI. After the NVMe SSD is detected, proceed with the OS installation.
    3. On the iBMC WebUI, check whether the newly installed SSD is working properly. For details, see E9000 Server Compute Node iBMC User Guide.

  5. Follow-up Procedure.

    The following is only for reference:
    • If the original hard drive is not in the RAID group, the new hard drive becomes idle. You are advised to set the new hard drive as a global or dedicated hot spare drive. The procedure ends.
    • If the original RAID array (for example, RAID 0) does not support redundancy, reconfigure RAID. The procedure ends.
    • If the original RAID array is redundant and has a hot spare drive, the new hard drive becomes idle. You are advised to set the new hard drive as a global or dedicated hot spare drive. The procedure ends.
    • If the original RAID array is redundant but does not have a hot spare drive, data is automatically rebuilt to the new hard drive. The procedure ends.

      For details, see Huawei V2&V3 Server RAID Controller Card User Guide.

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Updated: 2019-07-10

Document ID: EDOC1000095351

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