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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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extent dstcounterforcli

extent dstcounterforcli

Function

The extent dstcounterforcli command is used to view the statistics during the data migration.

Format

extent dstcounterforcli [ module name ]

Parameters

Parameter

Description

Value
module name Type of the counter information.

The value can be io,init,migr,iom,common,or dra,

where:

io:counter information of the I/O part.

init:counter information of the init part.

migr:counter information of the migr part.

iom:counter information of the iom part.

common:counter information of the common part.

dra:counter information of the dra part.

Views

Diagnostic view

Usage Guidelines

This command can be used to view the statistics during the data migration. The input parameter name must be none or sets of io,init,migr,iom,common or dra.

Example

View the I/O statistics of sub-module init.

admin:/diagnose>extent dstcounterforcli init

init counter:
  Item                        start       back good   back bad    not back  
  --------------------------  ----------  ----------  ----------  ----------
  ctrl query extent list      0           0           0           0         
  proc query first bit        0           0           0           0         
  proc apply ilock            0           0           0           0         
  proc set init finish        0           0           0           0         
  front init set apply ilock  0           0           0           0         
  front init set init finish  0           0           0           0

System Response

The following table describes the parameter meanings.

Parameter

Meaning
common counter

Count of common modules.
Dst strategy Req

XNET request sent in DST policy management.
Dst strategy Rsp

XNET response received in DST policy management.
Dst strategy Rcv

XNET request received in DST policy management.
Dst strategy Ans

XNET response sent in DST policy management.
Extent event Req

XNET request sent in extent event handling.
Extent event Rsp

XNET response received in extent event handling.
Extent event Rcv

XNET request received in extent event handling.
Extent event Ans

XNET response sent in extent event handling.
init counter

Count of init modules.
ctrl query extent list

Count of batch queries of extents to be initialized in initialization control.
proc query first bit

Count of queries of extents whose first unit is not initialized.
proc apply ilock

Count of ilock applications.
proc set init finish

Count of notifying that the extent initialization is complete.
front init set apply ilock

Background ilock application initiated by extent I/Os.
front init set init finish

Initialization completion flag bit setting initiated by extent I/Os.
iom counter

Count of iom modules.
Query Extent

Count of extent queries.
Free Ext Req

Count of released extent requests.
Free Ext Rsp

Count of released extent responses.
Get Ext Num Req

Count of extent quantity requests.
Get Ext Num Rsp

Count of extent quantity responses.
Send Xrb Alloc Page

Count of sending XRB application pages.
Rcv Xrb Alloc Page

Count of receiving XRB application pages.
Send Xrb Req

Count of sending XRB requests.
Send Xrb Rsp

Count of sending XRB responses.
Send Xrb Rsp Error

Count of sending incorrect XRB responses.
reloc control counter

Count of reloc control modules.
RESV STEP

Count of steps of migrating a reserved node.
PRE STEP

Count of steps of migration preparation.
HIGH STEP

Count of high steps in node migration.
LOW STEP

Count of low steps in node migration.
IN T0 STEP

Count of steps of migrating data to T0.
OUT T0 STEP

Count of steps of migrating data from T0.
IN T1 STEP

Count of steps of migrating data to T1.
OUT T1 STEP

Count of steps of migrating data from T1.
OVER STEP

Count of migration completion steps.
reloc execution counter

Count of reloc execution modules.
ALLOC EXTENT

Count of obtained single extent.
FREE EXTENT

Count of released single extents.
MODIFY EXTENT INFO

Count of modified single extents.
APPLY ILOCK

Count of ilock applications.
QUERY EXTENT INFO

Count of batch extent queries.
ALLOC EXTENT(b)

Count of batch extent applications.
FREE EXTENT(b)

Count of extents released in a batch.
MODIFY EXTENT INFO(b)

Count of extents modified in a batch.
RELOCATED EXTENT

Count of migrated extents.
RELOCATED BLOCK

Count of migrated blocks.
HAS FAILED BLOCK

Count of blocks that fail to be migrated.
EXTENT TERMINATED

Count of extent migrations that are terminated due to the time limit.
DUAL WRITE

Count of dual writes.
DUAL WRITE ERROR

Count of incorrect dual writes.
QUERY EXTENT INFO BATCH VERIFY

Count of batch extent queries in abnormal branches.
WAIT RESERVED EXTENT SENT

Count of nodes that wait to be reserved.
WAIT LIST EXTENT DONE

Count of nodes that are in the migration linked list.
RETRY IN T0

Count of retries of migrating data to T0.
RETRY IN T1

Count of retries of migrating data to T1.
Extent repair write get

Count of getting repair write I/O.
Extent repair write send

Count of sending repair write I/O.
Extent delete cache data

Count of deleting cache data.
EXTENT_IO_GET_VOLUME

Count of getting volume I/O.
EXTENT_IO_GET_META

Count of getting meta data I/O.
EXTENT_IO_GET_MIGRATE

Count of getting migrate I/O.
EXTENT_IO_GET_INIT

Count of getting init I/O.
EXTENT_IO_SEND_CKG

Count of sending CKG I/O.
EXTENT_IO_SEND_META

Count of sending meta data I/O.
EXTENT_IO_SEND_MIGRATE

Count of sending migrate I/O.
EXTENT_IO_SEND_INIT

Count of sending init I/O.
EXTENT_IO_SEND_WRITE_PAGE

Count of sending write page.
EXTENT_IO_SEND_READ_PAGE

Count of sending read page.
EXTENT_IO_SEND_COPY_PAGE

Count of sending copy page.
EXTENT_IO_SEND_MIGRATE_PAGE

Count of sending migrate page.
EXTENT_IO_GET_EXTENTINFO

Count of getting extent info.
EXTENT_IO_GET_BITMAP

Count of getting bitmap.
EXTENT_IO_GET_LOCK

Count of getting lock.
EXTENT_IO_SET_BITMAP

Count of setting bitmap.
DRA Sort Rsp

Count of sort rsp.
Get PdctArr Req

Count of getting prediction array req.
Get PdctArr Rsp

Count of getting prediction array rsp.
DRA Seg Req

Count of segment req.
DRA Seg Rsp

Count of segment rsp.
DRA Sort Req

Count of sort req.
DRA Sort Rsp

Count of sort rsp.
DRA Wei Req

Count of weight req.
DRA Wei Rsp

Count of weight rsp.
Stop Dra Req

Count of stopping dra req.
Stop Dra Rsp

Count of stopping dra rsp.
Rec Xnet Req

Count of receiving Xnet req.
Rec Xnet Rsp

Count of receiving Xnet rsp.
Rec Xrb Req

Count of receiving Xrb req.
Rec xrb Rsp

Count of receiving Xrb rsp.
Rec Disable

Count of receiving disabled event.
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Updated: 2020-01-17

Document ID: EDOC1000181575

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