ALUA policy of the OceanStor V3 storage

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On OceanStor V3, the default policy of ALUA is disabled by default.
1. If the storage system is in dual-controller mode and the third-party multipathing software is used, you are advised to enable ALUA.
2. If the storage system has four or more controllers, you must disable ALUA.

Other related questions:
Recommended hot spare policy for disk domains of the OceanStor V3 storage
The high hot spare policy is recommended for disk domains of the OceanStor V3 storage.

Rules for configuring the hot spare policy for OceanStor V3 unified storage systems
For OceanStor V300R001 storage systems, proper hot spare policies must be configured to ensure the reliability of the storage system. For details about planning the hot spare policy, see Planning the Capacity .

RAID levels supported by unified storage systems
RAID policies (levels) supported by unified storage systems: 0, 1, 3, 5, 6, 10, 50

Recommended configuration for storage pools of the OceanStor V3 storage
Recommended configuration for storage pools of OceanStor V3: SAS disks - Mission critical storage: RAID 6 (8D+2P/4D+2P); - Mid-range and entry-level storage: RAID 5 (8D+1P/4D+1P) NL-SAS disks - RAID 6 (8D+2P/4D+2P) SSDs - RAID 10

Method used to obtain software and version documents of OceanStor V3 products
To obtain software and version documents of OceanStor V3 products, including the version usage guides, upgrade guides, version configuration information tables, release notes, patch installation guides, and patch descriptions, you can visit Huawei Technical Support .

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