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Advanced O&M Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 V3. 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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show space sio

show space sio

Function

The show space sio command is used to query the debug information about the spaceio module.

Format

show space sio controller=?

Parameters

Parameter

Description

Value

controller=?

Controller ID.

The value is in the format of "XA" or "XB" or "XC" or "XD", where the "X" is an integer ranging from 0 to 3, for example: "0A", "1C".

Views

Developer view

Usage Guidelines

Before running this command, check whether the working controller ID of the file system is correct.

Example

Query the I/O count statistics collected by SIO.

developer:/>show space sio controller=0B 
Phase Start Counter Back Good Back Bad Not Back Latency 
------------------------- ------------- --------- -------- -------- ------- 
search item form KVDB 71 70 1 0 0 
insert item to KVDB 0 0 0 0 0 
modify item in KVDB 0 0 0 0 0 
delete item from KVDB 0 0 0 0 0 
alloc page 0 0 0 0 0 
copy read page to write 0 0 0 0 0 
prepare kvdb 0 0 0 0 0 
commit kvdb 0 0 0 0 0 
linear space read lock 71 71 0 0 0 
linear space read unlock 71 71 0 0 0 
linear space write lock 0 0 0 0 0 
linear space write unlock 0 0 0 0 0 
item array read lock 0 0 0 0 0 
item array read unlock 0 0 0 0 0 
item array write lock 0 0 0 0 0 
item array write unlock 0 0 0 0 0 
do read data 71 71 0 0 0 
ddup read 0 0 0 0 0 
pool read 70 70 0 0 0 
do free space 0 0 0 0 0 
free query 0 0 0 0 0 
ddup free 0 0 0 0 0 
pool free data 0 0 0 0 0 
pool free meta 0 0 0 0 0 
pool free meta node 0 0 0 0 0 
do write data 0 0 0 0 0 
ddup write 0 0 0 0 0 
pool alloc data 0 0 0 0 0 
pool alloc meta 0 0 0 0 0 
pool write 0 0 0 0 0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Phase

Phase of I/O information statistics collection.

Start Counter

Number of I/Os collected at the beginning of each phase.

Back Good

Number of I/Os that are normally returned in each phase.

Back Bad

Number of I/Os that are abnormally returned in each phase.

Not Back

Number of I/Os that are not returned in each phase.

Latency

Execution latency of each phase.

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Updated: 2019-07-12

Document ID: EDOC1000138389

Views: 496635

Downloads: 85

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