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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. Based on the CLI, this document describes how to use various commands classified by functions and how to set the CLI and manage the storage system through these commands. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.

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change system interrupt_coalesce

change system interrupt_coalesce


The change system interrupt_coalesce command is used to modify the interrupt coalesce attributes of all Smart IO modules running in FC mode in the system.


change system interrupt_coalesce time=? count=?





time=? Sets the time when interrupts are coalesced.

The time can be 0 us, 10 us, 82 us, 327 us, 655 us, 1310 us, or default. For the 1821 card, the default value is 82 us, and for the 1822 card, the default value is 0 us.

count=? Sets the count of coalesced interrupts.

The value can be: 0, 8, 16, 32, 64, 128, and default. The default value is 0 for the 1821 and 1822 cards.


Engineer view

Usage Guidelines

After the setting, power off and on all Smart IO modules running in FC mode.


Change the interrupt coalesce time to "82 us" and the count of coalesced interrupts to "8".

developer:/>change system interrupt_coalesce time=82us count=8
DANGER: You are about to modify the interrupt coalesce parameters of the Smart IO module running in FC mode. This operation may affect the IOPS and CPU performance. After the setting, power off and on all Smart IO modules running in FC mode. 
Suggestion: Before performing this operation, confirm that you need to modify the interrupt coalesce parameters.
Have you read danger alert messages carefully?(y/n)y
Are you sure you really want to perform the operation(y/n)y
Command executed successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181575

Views: 721748

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