No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


Advanced O&M Command Reference

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. 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. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
show sdd io_stat

show sdd io_stat


The show sdd io_stat command is used to display the I/O statistics about the SDD module.


show sdd io_stat remote_device_id=? remote_replication_type=?






Remote device ID.

To obtain the value, run the "show remote_device general" command.


Remote replication type.

The value can be "lun" or "file_system", where:

  • "lun": remote replication of LUNs.
  • "file_system": remote replication of file systems.

OceanStor 2200 V3 does not support file_system.


Developer view

Usage Guidelines



Display the I/O statistics about the SDD module.

developer:/>show sdd io_stat remote_device_id=0 remote_replication_type=file_system 
Total IO Count: 1456 
Compress OK: 1423 
Compress Fail: 33 
Pass Smart Compression : 1420 
Fail Smart Compression : 30 
Cannot Compress IO: 0 
Small IO: 2 
No Data IO: 1

System Response

The following table describes the parameter meanings.



Total IO Count

Total number of I/Os received by the SDD module.

Compress OK

Number of I/Os that are successfully compressed.

Compress Fail

Number of I/Os that fail to be compressed.

Pass Smart Compression

Number of I/Os that pass the smart compression.

Fail Smart Compression

Number of I/Os that not pass the smart compression.

Cannot Compress IO

Number of I/Os that cannot be compressed.

Small IO

Number of small I/Os (smaller than or equal to 4 KB).

No Data IO

Number of I/Os that carry no data.

Updated: 2019-07-12

Document ID: EDOC1000138381

Views: 751971

Downloads: 38

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Previous Next