Functions of solid state disks (SSDs) on OceanStor 9000

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SSDs are configured on OceanStor 9000 to store small files. By default, one SSD is configured for each type of node. If needed, more or no SSDs can be configured.

Other related questions:
Locking disks using OceanStor 9000
OceanStor 9000 does not provide disk locking functions.

Whether the SSD configured on each node of OceanStor 9000 is used for storing metadata
SSDs are configured on OceanStor 9000 to store small files.

OceanStor 9000 metadata functions
Metadata is a type of data that defines data, describes data properties, and supports functions of indicating storage locations and historical data, querying resources, and recording files. In a file system, the relationship between metadata and file data is similar to that between a control plane and a data plane.

Functions of restriping in OceanStor 9000
Through restriping, data is stored based on file pool policies.

Description of the Enable SSD Acceleration parameter in a file pool policy of OceanStor 9000
After SSD acceleration is enabled, files that comply with the file pool policy will be stored in SSDs for the highest storage performance. You are advised to enable this function for files smaller than 256 KB.

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