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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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RAID 0, 1, 10, and 1E

RAID 0, 1, 10, and 1E

The LSI SAS3008IR supports up to two virtual drives, each of which supports up to 10 hard drives. A maximum of 14 hard drives can be assigned to virtual drives (that is, the sum of hot spare drives and hard drives in RAID arrays). The LSI SAS3008IR manages the remaining hard drives as independent physical drives.

Table 6-3 lists the supported RAID levels and quantity of hard drives.

Table 6-3 Supported RAID levels and quantity of hard drives

RAID Level

Total Hard Drives

Maximum Failed Drives

RAID 0

2 to 10

0

RAID 1

2

1

RAID 10

4 to 10 (even)

Number of hard drives/2

RAID 1E

3 to 9 (odd)

(Number of hard drives-1)/2

  • The failed hard drives cannot be adjacent. For details, see RAID Levels.
  • On a Windows hard drive management screen, Bus Type of virtual drives and JBOD drives for the LSI SAS3008 IR and LSI SAS3008 iMR is RAID, and Bus Type of JBOD drives for the LSI SAS3008 IT is SAS.
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Updated: 2019-11-01

Document ID: EDOC1000004186

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