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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.
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spa exportimportextent

spa exportimportextent

Function

The spa exportimportextent command is used to export or import information about the metadata on the extent.

Format

spa exportimportextent -x operation type -p pool id -v volume id -e extent id -s offset -l data length -f file name [ -i operation object ]

Parameters

Parameter

Description

Value

operation type

Operation type.

The value can be "1" or "2", where:

  • "1": Export.
  • "2": Import.

pool id

Disk domain ID.

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

volume id

Volume ID.

To obtain the value, run the "spa queryvolcap" command.

extent id

Extent ID.

The value can be "0", "1", or "2", where:

  • "0": Root extent 0.
  • "1": Root extent 1.
  • "2": Root extent 2.

offset

Offset.

-

data length

Data length.

The value is an integer ranging from "0" to "4096".

file saved address

File saved address.

-

operation object

Operation object.

The value can be "0", "1", "2", "3", or "4", where:

  • "0": Metadata information is exported from the metadata member disk object whose number is "0".
  • "1": Metadata information is exported from metadata member disk object whose number is "1".
  • "2": Metadata information is exported from metadata member disk object whose number is "2".
  • "3": Metadata information is exported from metadata member disk object whose number is "3".
  • "4": Metadata information is imported to all four metadata member disk objects.
NOTE:

The information is exported from or imported to the cache object by default when the value is not input.

Views

Diagnostic view

Usage Guidelines

None

Example

Export information about the metadata on the extent.

admin:/diagnose>spa exportimportextent -x 1 -p 0 -e 0 -s 0 -l 1024 -f /home/permitdir/extent.dat -v 0x1200000000 
  Export Extent data success. Please refer to file (/home/permitdir/extent.dat)

System Response

None

Translation
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Updated: 2019-07-12

Document ID: EDOC1000138381

Views: 696999

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