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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. Based on the CLI, this document describes how to use various commands classified by functions and 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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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 guest mode.
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.

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

  • "off": to set the tree switch to "off".
  • "on": to set the tree switch to "on".
lun_id=? LUN ID.

To obtain the value, run the "show lun general" command in guest mode.
tier_type=? Tier ID.

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

  • "SSD": SSD.
  • "SAS": SAS.
  • "NearLine_SAS": NL-SAS.
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
简体中文
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Updated: 2020-01-17

Document ID: EDOC1000181575

Views: 720949

Downloads: 31

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