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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 concurrent

change concurrent

Function

The change concurrent command is used to modify concurrency information.

Format

change concurrent max_single_lun_concurrent=? max_system_concurrent=? max_stripe_quota_concurrent=? max_volume_destage_concurrent=? max_stripe_destage_concurrent=?

Parameters

Parameter

Description

Value

max_single_lun_concurrent=?

Maximum number of front-end concurrent I/Os of a single LUN.

The value must be an integer from 0 to 2,147,483,647.

max_system_concurrent=?

Maximum number of front-end concurrent I/Os of the system.

The value must be an integer from 0 to 2,147,483,647.

max_stripe_quota_concurrent=?

Maximum number of concurrent layer-2 dirty quota requests.

The value must be an integer from 0 to 2,147,483,647.

max_volume_destage_concurrent=?

Maximum number of concurrent layer-1 cache flushing tasks.

The value must be an integer from 0 to 2,147,483,647.

max_stripe_destage_concurrent=?

Maximum number of concurrent layer-2 cache flushing tasks.

The value must be an integer from 0 to 2,147,483,647.

Views

Developer view

Usage Guidelines

None

Example

Changing the maximum number of front-end concurrent I/Os of a single LUN, front-end concurrent I/Os of the system, concurrent layer-2 dirty quota requests, concurrent layer-1 cache flushing tasks, and concurrent layer-2 cache flushing tasks to 128, 8192, 8192, 128, and 128 respectively.

developer:/>change concurrent max_single_lun_concurrent=128 max_system_concurrent=8192 max_stripe_quota_concurrent=8192 max_volume_destage_concurrent=128 max_stripe_destage_concurrent=128 
Command executed successfully.

System Response

None

Translation
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Updated: 2019-07-11

Document ID: EDOC1000181575

Views: 669733

Downloads: 30

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