Huawei OceanStor 2000 V3 Series Features Manual page 97

OceanStor V3 Series
HyperMetro Feature Guide for File
Issue 05 (2018-01-30)
Table 4-10 Storage tier parameters
Parameter Description
RAID RAID level. The system supports RAID
Policy 0, RAID 1, RAID 10, RAID 3, RAID 5,
RAID 50, and RAID 6.
NOTE
RAID 0 only supports configuration in CLI
mode. For details, see the Command
Reference of the corresponding product
model.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Configuration
Setting
Select a RAID policy
based on the planned
solution.
The default RAID policy
of a storage tier varies with
the number of disks
allocated to the storage
tier.
– If the number of disks
allocated to a storage
tier is smaller than 10:
Default RAID
n
policy of the high
performance tier:
RAID 10
Default RAID
n
policy of the
performance tier:
RAID 5 (4D+1P)
Default RAID
n
policy of the
capacity tier: RAID
6 (4D+2P)
– If the number of disks
allocated to a storage
tier is equal to 10:
Default RAID
n
policy of the high
performance tier:
RAID 10
Default RAID
n
policy of the
performance tier:
RAID 5 (8D+1P)
Default RAID
n
policy of the
capacity tier: RAID
6 (4D+2P)
– If the number of disks
allocated to a storage
tier is greater than 10:
Default RAID
n
policy of the high
performance tier:
RAID 10
89