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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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show ddp meta_list

show ddp meta_list

Function

The show ddp meta_list command is used to recursively search for deduplication and compression metadata and redundant metadata, including chunk reference count, data verification value, and transaction ID of flushing data into disks.

Format

show ddp meta_list domain_id=? chunk_id=? controller=?

Parameters

Parameter

Description

Value

domain_id=?

ID of the domain that you want to query.

To obtain the value, run the "show file_system general" or "show lun dedup_compress" command.

chunk_id=?

ID of the starting chunk for the recursive search.

The value ranges from 1 to 18446744073709551615.

controller=?

Controller ID.

The value is in the format of "XA" or "XB" or "XC" or "XD", where the "X" is an integer ranging from 0 to 3, for example: "0A", "1C".

Views

Developer view

Usage Guidelines

  • Before running this command, confirm that you have selected the correct domain ID and chunk ID.
  • When runnning this command, specify a controller ID.

Example

To recursively search domain "0" for deduplication metadata from chunk "1" and display a maximum of 80 records.

developer:/>show ddp meta_list domain_id=0 chunk_id=1 controller=0A 
Chunk ID Ditto Level Extent ID Offset Gang Flag Storage Tier Physical Length Reference Count Transaction Number 
-------- ----------- ---------------- ------ --------- ------------ --------------- --------------- ------------------ 
1024 0 0xe042004000600f 2832 0 SAS 8 1 5 
1025 0 0xe042004000600f 2840 0 SAS 8 1 5 
1026 0 0xe042004000600f 2848 0 SAS 8 1 5 
1027 0 0xe042004000600e 2944 0 SAS 8 1 5 
1028 0 0xe042004000600e 2952 0 SAS 8 1 5 
1029 0 0xe042004000600e 2960 0 SAS 8 1 5 
1030 0 0xe042004000600e 2968 0 SAS 8 1 5 
1031 0 0xe042004000600e 2976 0 SAS 8 1 5 
1032 0 0xe042004000600e 2984 0 SAS 8 1 5 
1033 0 0xe042004000600e 2992 0 SAS 8 1 5 
1034 0 0xe042004000600e 3000 0 SAS 8 1 5 
1035 0 0xe042004000600e 3008 0 SAS 8 1 5 
1036 0 0xe042004000600e 5104 0 SAS 8 1 5 
1037 0 0xe042004000600e 5112 0 SAS 8 1 5 
1038 0 0xe042004000600e 5120 0 SAS 8 1 5 
1039 0 0xe042004000600e 5128 0 SAS 8 1 5 
1040 0 0xe042004000600e 5136 0 SAS 8 1 5 
1041 0 0xe042004000600d 4168 0 SAS 8 1 5 
1042 0 0xe042004000600d 4176 0 SAS 8 1 5 
1043 0 0xe042004000600d 4184 0 SAS 8 1 5 
1044 0 0xe042004000600d 5992 0 SAS 8 1 5 
1045 0 0xe042004000600d 6000 0 SAS 8 1 5 
1046 0 0xe042004000600d 6008 0 SAS 8 1 5 
1047 0 0xe042004000600d 6016 0 SAS 8 1 5 
1048 0 0xe042004000600c 5104 0 SAS 8 1 5 
1049 0 0xe042004000600c 5112 0 SAS 8 1 5 
1050 0 0xe042004000600c 5120 0 SAS 8 1 5 
1051 0 0xe042004000600c 5128 0 SAS 8 1 5 
1052 0 0xe042004000600c 5464 0 SAS 8 1 5 
1053 0 0xe042004000600c 5472 0 SAS 8 1 5 
1054 0 0xe042004000600c 6448 0 SAS 8 1 5 
1055 0 0xe042004000600c 6456 0 SAS 8 1 5 
1056 0 0xe042004000600c 6464 0 SAS 8 1 5 
1057 0 0xe042004000600c 6472 0 SAS 8 1 5 
1058 0 0xe042004000600c 6480 0 SAS 8 1 5 
1059 0 0xe042004000600b 1920 0 SAS 8 1 5 
1060 0 0xe042004000600b 1928 0 SAS 8 1 5 
1061 0 0xe042004000600b 1936 0 SAS 8 1 5 
1062 0 0xe042004000600b 1944 0 SAS 8 1 5 
1063 0 0xe042004000600b 2560 0 SAS 8 1 5

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Chunk ID

Chunk ID.

Ditto Level

Redundancy level.

Extent ID

Extent ID of a physical chunk.

Offset

Extent offset of a physical chunk. Unit: section.

Gang Flag

Gang chunk flag.

Storage Tier

Storage tier.

Physical Length

Chunk length. Unit: section.

Reference Count

Chunk reference count.

Transaction Number

Chunk flushing transaction ID.

Translation
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Updated: 2019-07-11

Document ID: EDOC1000181619

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