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Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5 storage systems. It describes hardware installation of those storage systems for helping you easily and quickly finish the installation.

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change snapshot capacity

change snapshot capacity

Function

The change snapshot capacity command is used to modify the capacity of a snapshot.

Format

change snapshot capacity { snapshot_id=? | snapshot_id_list=? } capacity=?

Parameters

Parameter

Description

Value

snapshot_id=? ID of a snapshot whose capacity you want to modify.

To obtain the value, run "show snapshot general".

capacity=? Updated capacity of a snapshot. This parameter is not supported in OceanStor 18500 V5, 18500 V5 Kunpeng, 18500F V5, 18500F V5 Kunpeng, 18800 V5, 18800 V5 Kunpeng, 18800F V5 and 18800F V5 Kunpeng storage systems.

The value is in the format of capacity value + unit, expressed in KB, MB, GB, TB, or Blocks.

  • The value ranges from 512 KB to 256 TB.
  • One block equals 512 bytes.
  • When the unit is GB or TB, a decimal number can be used.
snapshot_id_list ID list of snapshots that you want to modify their settings.
  • To obtain the value, run "show snapshot general".
  • You can specify multiple snapshot IDs separated by commas (,),or range separated by hyphens (-), such as:0,5-8.

Level

Administrator

Usage Guidelines

  • Before running this command, ensure that the selected snapshot is exactly the one whose capacity you want to modify.
  • Before running this command, clean up the cache of the application server that has mappings to the selected snapshot.

Example

Change the capacity of snapshot "10" to "300 MB".

admin:/>change snapshot capacity snapshot_id=10 capacity=300MB 
CAUTION: You are about to perform a snapshot expansion. This operation expands the capacity of the snapshot. When a timing snapshot is used, it is converted to a common snapshot.
Suggestion: Rescan for the snapshot on the server after the capacity expansion. 
Do you wish to continue?(y/n)y 
Change snapshot 10 successfully.

System Response

None

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Updated: 2020-01-17

Document ID: EDOC1000181601

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