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Advanced O&M Command Reference

OceanStor 2000, 5000, and 6000 V3 Series V300R006

This document is applicable to OceanStor 2200 V3, 2600 V3 Video Surveillance Edition, 2600 V3, 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 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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mcachelayer counter

mcachelayer counter

Function

The mcachelayer counter command is used to view the count of metadata cache operations.

Format

mcachelayer counter

Parameters

None

Views

Diagnostic view

Usage Guidelines

None

Example

View the count of metadata cache operations.

admin:/diagnose>mcachelayer counter 
Counter Type Step Name                                 Received               Return Ok           Return Bad             Not Return             FirstErrTime         FirstErrCode  LastErrTime          LastErrCode  
  --------------  ----------------------------------------  ---------------------  ---------------------  ---------------------  ---------------------  -------------------  ------------  -------------------  ------------ 
  ckg info op     OP_CKG_INFO_QUERY_IN_SPA                                      7                      7                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  ckg info op     OP_CKG_INFO_MODIFY_IN_SPA                                     0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  ckg info op     OP_CKG_INFO_ADD_TO_MCACHE                                     6                      6                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  ckg info op     OP_CKG_INFO_DEL_IN_MCACHE                                  6016                   6016                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  ckg info op     OP_CLEAR_CKG_INFO                                             0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  ckg info op     OP_CKECK_CKG_ID                                            2494                   2489                      5                      0  2016-11-11 13-55-35  0xffffffff 2016-11-11 13-55-35  0xffffffff 
  ckg info op     OP_CKG_INFO_HIT_IN_MCACHE                                  2496                   2494                      2                      0  2016-11-11 13-55-35  0xffffffff 2016-11-11 13-55-35  0xffffffff 
  ckg info op     OP_INVALIDATE_MCACHE_CKG_INFO                                 0                      0                      0                    0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  ckg info op     OP_CKG_INFO_RETRY                                             0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  ckg info op     OP_CKG_INFO_SEND_XNET                                         0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_EXTENT_INFO_QUERY_IN_SPA                                   0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_EXTENT_INFO_MODIFY_IN_SPA                                  0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_EXTENT_INFO_ADD_TO_MCACHE                                  0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_EXTENT_INFO_DEL_IN_MCACHE                                  0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_EXTENT_INFO_SET_INIT_FINISH                                0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_EXTENT_INFO_FREE_DATA_EXTENT                               0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_EXTENT_INFO_FREE_MIGRATION_EXTENT                          0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000 
  extent info op  OP_CKECK_EXTENT_ID                                            0                      0                      0                      0  0000-00-00 00-00-00  0x00000000 0000-00-00 00-00-00  0x00000000

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Counter Type

Count type.

Step Name

Step name.

Received

Count of received I/Os.

Return Ok

Count of I/Os for which a successful message is returned.

Return Bad

Count of I/Os for which a failure message is returned.

Not Return

Count of I/Os for which no message is returned.

FirstErrTime

Time when the first incorrect I/O occurs.

FirstErrCode

Error code of the first incorrect I/O.

LastErrTime

Time when the last incorrect I/O occurs.

LastErrCode

Error code of the last incorrect I/O.

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Updated: 2019-07-12

Document ID: EDOC1000138402

Views: 637030

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