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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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change cache_partition general

change cache_partition general


The change cache_partition general command is used to modify the properties of a cache partition, including the partition name, desired cache read capacity, and desired cache write capacity.


change cache_partition general cache_partition_id=? { name=? | expect_read_size=? | expect_write_size=? }





cache_partition_id=? ID of a cache partition whose properties you want to modify.

To obtain the value, run "show cache_partition general".

name=? New name of a cache partition.

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

expect_read_size=? Updated cache read capacity.

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

expect_write_size=? Updated cache write capacity.

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



Usage Guidelines



Set the name, desired cache read capacity, and desired cache write capacity of cache partition "0" to "regina", "512MB", and "512MB" respectively.

admin:/>change cache_partition general cache_partition_id=0 name=regina expect_read_size=512 expect_write_size=512
CAUTION: You are about to change the read partition size or write partition size of 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 correct SmartPartition is selected.
Do you wish to continue?(y/n)y
Command executed successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181601

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