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Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5 storage systems. It describes hardware installation of those storage systems for helping you easily and quickly finish the installation.

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create cache_partition

create cache_partition


The create cache_partition command is used to create a cache partition.


create cache_partition name=? storage_engine_id=? expect_read_size=? expect_write_size=?





name=? Cache partition name.

The value contains 1 to 31 characters including digits, letters, hyphens (-), underscores (_), and periods (.).

storage_engine_id=? ID of an engine where a cache partition resides.

To obtain the value, run "show storage_engine".

expect_read_size=? Desired cache read capacity.

The value is an integer multiple of 128, ranging from 256 to 67,108,864, expressed in MB.

expect_write_size=? Desired cache write capacity.

The value is an integer multiple of 128, ranging from 256 to 67,108,864, expressed in MB.



Usage Guidelines



Create cache partition "Cache_001" on engine "0" and set the desired cache read and write capacities to "512MB" and "512MB" respectively. The ID and output vary depending on a specific product.

admin:/>create cache_partition name=Cache_001 storage_engine_id=0 expect_read_size=512 expect_write_size=512
CAUTION: You are about to create SmartPartition. 
This operation may affect the performance of LUN or file system. 
Suggestion: Before performing this operation, ensure that the preceding risk is acceptable and the SmartPartition is correctly configured.
Do you wish to continue?(y/n)y
Command executed successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181601

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