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Huawei V2 and V3 Server RAID Controller Card User Guide 36

This document describes the appearances and features of the redundant array of independent disks (RAID) controller cards, how to configure properties for the RAID controller cards, and how to install drivers. The RAID controller cards include the LSI SAS2208, LSI SAS2308, LSI SAS3008, LSI SAS3108, LSI SoftRAID, PM8060, and PM8068.
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Hard Drive Fault

Hard Drive Fault

Symptoms

A hard drive is faulty if any of the followings occurs:

  • The hard drive fault indicator is on.
  • After the server is powered on, the hard disk indicator is off.
  • A hard drive fault alarm was generated.

Solution

  1. Determine the slot number of the faulty drive.

    If a hard drive in JBOD mode is faulty, the Fault indicator on the drive will not be lit and the BMC will not generate an alarm.

    • Locate the faulty drive based on the fault indicator, which is steady orange. For details, see the drive numbering section in the user guide of the server you use.
    • Locate the faulty drive based on the iMana/iBMC drive alarm information. For details, see iMana/iBMC Alarm Handling.
    • Locate the faulty drive using the RAID controller card GUI. For details, see SAS Topology Menu or View Physical Disk Properties Screen.
    • Locate the faulty drive using the RAID controller card CLI tool. For details, see Viewing Device Information.

  2. Replace the drive.

    • Before removing a drive, determine its location. If a hard drive is removed by mistake, the RAID array will fail. For details, see 1. If the drive fault is caused by manual removal and installation of the drive, set the drive to Unconfig Good and restore the RAID array. For details, see Activating a RAID Configuration.
    • If the faulty drive is a pass-through drive or belongs to a RAID array without redundancy (for example, RAID 0), the drive data cannot be restored.
    • If the faulty drive belongs to a RAID array with redundancy and the number of faulty drives does not exceed the maximum number of faulty drives supported by the RAID array, the RAID array data will not be lost. Otherwise, RAID group data will be lost. For details about the maximum number of faulty drives supported by RAID arrays, see Table 6-3.
    • After a faulty drive is disconnected from its backplane, wait 30 seconds before removing it. The alarm will not be cleared immediately after a new drive is installed. It will be cleared after the RAID array is rebuilt. Do not hot remove and install drives frequently.
    • The newly inserted drive should not contain RAID information. If the installed drive has RAID information, delete the RAID information from the RAID controller card of the same model as the original RAID controller card or perform low-level formatting on the drive. For details, see the user guide of the RAID controller card you use.

    Remove the faulty drive and install a new drive. The new drive can be restored in the following ways based on the RAID configuration of the faulty drive:

    • If the RAID array has redundancy feature and has a hot spare drive, the global hot spare drive automatically replaces the faulty hard drive for data synchronization and recovery. After a new hard drive is inserted into the slot of the faulty hard drive, the new hard drive automatically becomes the hot spare drive.
    • If the RAID array has redundancy feature and has no hot spare drive, the newly installed drive automatically rebuilds data. If the number of faulty drives in a RAID group exceeds 1, replace the faulty drives one by one based on the drive fault time. Replace the next drive only after the current drive data is rebuilt.
    • If the faulty drive is a pass-through drive, replace it.
    • If the faulty hard drive belongs to a RAID array without redundancy (RAID 0), create RAID 0 again.

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Updated: 2019-11-01

Document ID: EDOC1000004186

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