extent dstcounterforcli
Function
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. |
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. |
