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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F 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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sio show deviostat

sio show deviostat

Function

The sio show deviostat command is used to view the I/O performance data of a disk.

Format

sio show deviostat sdid=? [ interval=? ]

Parameters

Parameter

Description

Value

sdid=?

Physical ID of the disk.

To obtain the value, run "sddebug show disk" without parameter.

interval=?

Interval.

The value is an integer ranging from 1 to 60(default:1). The default unit is second.

Views

Diagnostic view

Usage Guidelines

None

Example

View the I/O performance data of a disk.

admin:/diagnose>sio show deviostat sdid=64 interval=5 
sdId : 64 
rrqm/s : 0.0 
wrqm/s : 0.0 
r/s : 0.0 
w/s : 0.0 
rkB/s : 0.0 
wkB/s : 0.0 
avgrq-sz : 0.0 
avgqu-sz : 0.0 
drv_avg/ms : 0.0 
await/ms : 0.0 
r_avg/ms : 0.0 
w_avg/ms : 0.0 
svctm/ms : 0.0 
util : 0.0 
iod/ms : 0.0 
dif/ms : 0.0 
ftds/ms : 0.0 
sio : 0 
sched : 0 
dsp : 0 
drv : 0 
rcvIoCnt : 0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

sdId

Physical ID of the disk.

rrqm/s

Number of merged read I/Os per second.

wrqm/s

Number of merged write I/Os per second.

r/s

Read IOPS.

w/s

Write IOPS.

rkB/s

Bandwidth of read I/Os.

wkB/s

Bandwidth of write I/Os.

avgrq-sz

Average I/O size.

avgqu-sz

Average queue depth.

drv_avg/ms

Average latency of read/write I/Os.

await/ms

I/O waiting time on the block device management (BDM) side.

r_avg/ms

Average latency of read I/Os.

w_avg/ms

Average latency of write I/Os.

svctm/ms

Average service time of I/Os.

util

Disk utilization.

iod/ms

Time for IOD scheduling.

dif/ms

Time for the DIF of I/Os.

ftds/ms

Time for FTDS.

sio

Number of I/Os on the SIO layer.

sched

Number of I/Os in the scheduler.

dsp

Number of I/Os under the dispatching layer.

drv

Number of I/Os delivered to the driver.

rcvIoCnt

Number of I/Os that are processed.

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Updated: 2019-07-11

Document ID: EDOC1000181619

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