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

Reminder

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

upgrade

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.
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).
change disk_domain meta_backup

change disk_domain meta_backup

Function

The change disk_domain meta_backup command is used to back up metadata.

Format

change disk_domain meta_backup type=? disk_domain_id=? [ meta_type=? ] [ switch=? ] [ lun_id=? ] [ tier_type=? ] [ force=? ]

Parameters

Parameter

Description

Value

type=?

Metadata type.

The value can be "load_tree_head", "init_lun_layout", "backup_start", "tree_switch", "pool_switch", "init_disk_domain_lun_layout", "backup_cancel", "system_switch", or "init_disk_domain_layout", where:

  • "load_tree_head": to load a tree head.
  • "init_lun_layout": to initialize the metadata backup layout of a LUN.
  • "backup_start": to start backing up metadata.
  • "tree_switch": tree switch.
  • "pool_switch": disk domain metadata switch.
  • "init_disk_domain_lun_layout": to initialize the metadata backup layouts of all LUNs.
  • "backup_cancel": to cancel metadata backing up.
  • "system_switch": system backup switch.
  • "init_disk_domain_layout": to initialize the metadata backup layout of a disk domain.

disk_domain_id=?

Disk domain ID.

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

meta_type=?

Metadata object type.

The value can be "ZONE_CKG", "LD_DISK_LOG", or "VOL_EXTENT", where:

  • "ZONE_CKG": CKG info tree.
  • "LD_DISK_LOG": disk log tree.
  • "VOL_EXTENT": extent info tree.

switch=?

Operation type.

The value can be "off" or "on", where:

  • "off": disables the tree switch.
  • "on": enables the tree switch.

lun_id=?

LUN ID.

To obtain the value, run the "show lun general" command in the guest view.

tier_type=?

Tier type.

The value can be "SSD", "SAS", or "NearLine_SAS", where:

  • "SSD": tier 0 with SSDs.
  • "SAS": tier 1 with SAS disks.
  • "NearLine_SAS": tier 2 with NL-SAS disks.

force=?

Whether to perform forcible initialization.

The value can be "no" or "yes", where:

  • "no": not to perform forcible initialization.
  • "yes": to perform forcible initialization.

Views

Developer view

Usage Guidelines

None

Example

Initialize the metadata backup layouts of all LUNs in disk domain "0".

developer:/>change disk_domain meta_backup type=init_disk_domain_lun_layout disk_domain_id=0 
Command executed successfully.

System Response

None

Translation
Download
Updated: 2019-07-11

Document ID: EDOC1000181619

Views: 581386

Downloads: 231

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