Introduction to a DiskPool of OceanStor 9000

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Nodes in a node pool are categorized into different DiskPools by their disk types. DiskPools are used to store metadata and data.

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Division principles of OceanStor 9000's DiskPools
Solid state disks (SSDs) in the second to Nth (N indicates the number of configured SSDs) slots compose a DiskPool that stores small files for enabling SSD acceleration CONFIGURE. Hard disk drives (HDDs) compose another DiskPool.

Maximum number of DiskPools supported by the OceanStor 9000 InfoTier feature
The maximum number of DiskPools supported by the OceanStor 9000 InfoTier feature is 96.

Introduction to the OceanStor 9000 NVDIMM
Non-Volatile Dual In-line Memory Module (NVDIMM) is a type of dual in-line memory module that saves data in case of power failures. Each OceanStor 9000 node is equipped with a 2 GB NVDIMM to ensure zero data loss in case of power failures.

OceanStor 9000 InfoAllocator feature definition
OceanStor 9000 InfoAllocator is a resource control technology. It restricts resources (including storage space and file number) available for users or user groups in a directory. InfoAllocator enables OceanStor 9000 administrators to: - Plan storage space or file number consumed by a user or a group in a proper way. - Manage storage space or file number that a user or a group consumes. - Make statistics on and check storage space or file number consumed by a user or a group.

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