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Advanced O&M Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5. Based on the CLI, this document describes how to use various commands classified by functionsand how to set the CLI and manage the storage system through these commands.

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show lun cache_sequence_flow

show lun cache_sequence_flow

Function

The show lun cache_sequence_flow command is used to query configuration information about the cache sequence flow of a LUN.

Format

show lun cache_sequence_flow lun_id=?

Parameters

Parameter

Description

Value

lun_id LUN ID.

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

Views

Developer view

Usage Guidelines

N/A.

Example

Query configuration information about the cache sequence flow of LUN "0".

admin:/>show lun cache_sequence_flow lun_id=0
bitmap                         :16
counter                        :64
distance                       :64
time                           :120
algorithm Switch               :1
minimum prefetch threshold     :16
interval prefetch multiple     :32  
maximum prefetch length        :8192
minimum prefetch length        :0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

bitmap

Sequence flow identification bitmap.

counter

Sequence degree count.

distance

Sequence flow identification distance.

time

Sequence flow failure period.

algorithm switch

Switch of the sequence flow adaptive algorithm.

minimum prefetch threshold

Lower threshold of the sequence flow prefetch.

interval prefetch multiple

Prefetch multiplier of interval sequence flows.

maximum prefetch length

Maximum prefetch length of sequence flow identification.

minimum prefetch length

Minimum prefetch length of sequence flow identification.

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Updated: 2020-01-17

Document ID: EDOC1000181602

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