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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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Capacity Expansion

Capacity Expansion

The two types of capacity expansion are:

  • Adding hard drives: Add new hard drives to an existing RAID array.

    For details, see Adding a Hard Drive to a RAID Array.

  • Increasing available space: If the capacity of all member hard drives in a RAID array is not fully utilized, increase the percentage of available space of the RAID array.

    For details, see Increasing Available RAID Space.

  • Only RAID 0, RAID 1, RAID 5, and RAID 6 support capacity expansion through hard drive addition.
  • RAID 10, 50, and 60 do not support capacity expansion through hard drive addition.
  • If a RAID array contains two or more virtual drives, its capacity cannot be expanded through hard drive addition.
  • Only one hard drive can be added for a capacity expansion operation.
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Updated: 2019-11-01

Document ID: EDOC1000004186

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