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FusionServer Pro XH321 V5 Server Node V100R005 Maintenance and Service Guide 07

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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).
RAID Controller Card

RAID Controller Card

The RAID controller card supports RAID configuration, RAID level migration, and drive roaming.

Table 2-7 RAID levels supported by the XH321 V5

RAID Level

Reliability

Read Performance

Write Performance

Minimum Number of Drives

Drive Utilization

RAID 0

Low

High

High

1

100%

RAID 1

High

Low

Low

2

1/N

RAID 5

Relatively high

High

Medium

3

(N – 1)/N

RAID 6

Relatively high

High

Medium

4

(N – 2)/N

RAID 10

High

Medium

Medium

4

M/N

RAID 50

High

High

Relatively high

6

(N – M)/N

RAID 60

High

High

Relatively high

8

(N – M x 2)/N

  • M indicates the number of spans in a RAID array.
  • N indicates the number of member drives in a RAID array.
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Updated: 2019-12-25

Document ID: EDOC1000183891

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