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Elastic Volume Service
Elastic Volume Service
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" in this service
All results for "
" in this service
What's New
What's New
Function Overview
Service Overview
What Is EVS?
Disk Types and Performance
General Purpose SSD V2 Disks
Device Types and Usage Instructions
Shared EVS Disks and Usage Instructions
EVS Encryption
EVS Backup
EVS Snapshot (OBT)
Differences Between EVS Backups and EVS Snapshots
EVS Three-Copy Redundancy
Security
Shared Responsibilities
Identity Authentication and Access Control
Data Protection
Auditing
Risk Monitoring
Fault Recovery
Billing
Billing for Disks
Billing for EVS Recycle Bin
Impacts and Usage Suggestions on Yearly/Monthly Disks Before and After Expiration
Impacts and Usage Suggestions on Pay-per-Use Disks Before and After Account Arrears
Permissions
Constraints
EVS and Other Services
Basic Concepts
EVS Concepts
Region and AZ
Change History
Getting Started
Process Overview
Quickly Creating and Using an EVS Disk
Step 1: Preparations
Step 2: Purchase an EVS Disk
Step 3: Attach an EVS Disk
Attaching a Non-Shared Disk
Attaching a Shared Disk
Step 4: Initialize an EVS Data Disk
Introduction to Data Disk Initialization Scenarios and Partition Styles
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TiB (parted)
Change History
User Guide
Permissions Management
Creating a User and Granting EVS Permissions
EVS Custom Policies
Purchasing and Using an EVS Disk
Disk Capacity Expansion
Expansion Overview
Expanding Capacity for an In-use EVS Disk
Expanding Capacity for an Available EVS Disk
Extending Disk Partitions and File Systems (Windows Server 2008)
Extending Disk Partitions and File Systems (Windows Server 2016)
Extending Disk Partitions and File Systems (Linux)
Partition and File System Extension Preparations (Linux)
Extending Partitions and File Systems for System Disks (Linux)
Extending Partitions and File Systems for Data Disks (Linux)
Changing the EVS Disk Type (OBT)
Detaching an EVS Disk
Detaching a System Disk
Detaching a Data Disk
Attaching an Existing Disk
Attaching an Existing System Disk
Attaching an Existing Non-Shared Disk
Attaching an Existing Shared Disk
Deleting EVS Disks
Unsubscribing from Yearly/Monthly EVS Disks
Managing EVS Recycle Bin
Recycle Bin Overview
Enabling the Recycle Bin
Disabling the Recycle Bin
Configuring a Recycle Bin Policy
Recovering Disks from the Recycle Bin
Permanently Deleting Disks from the Recycle Bin
Viewing EVS Disk Details
Managing Encrypted EVS Disks
Managing Shared EVS Disks
Managing EVS Backups
Managing EVS Snapshots (OBT)
Snapshot Overview (OBT)
Creating a Snapshot (OBT)
Deleting a Snapshot (OBT)
Viewing Details of a Snapshot (OBT)
Rolling Back Data from a Snapshot (OBT)
Creating an EVS Disk from a Snapshot (OBT)
Managing EVS Transfers
Managing a Tag
Tag Overview
Adding a Tag
Modifying a Tag
Deleting a Tag
Searching for Disks by Tag
Changing EVS Disk Name
Viewing EVS Monitoring Data
Viewing EVS Monitoring Data (Agent Installed and Simplified Monitoring Metrics Used)
Auditing
Managing Quotas
Querying EVS Resource Quotas
Increasing EVS Resource Quotas
Appendix
EVS Disk Status
EVS Snapshot Status
Change History
Best Practices
Using LVM to Manage EVS Disks
Overview
Resource Planning and Costs
Operation Process
Implementation Procedure
Installing LVM
Creating a Logical Volume Using LVM
Creating and Mounting a File System
Extending the Logical Volume Using the Unallocated Space
Extending the Logical Volume by Expanding Capacity of an EVS Disk
Extending the Volume Group by Adding an EVS Disk
Glossary
Handling Insufficient Disk Space on a Windows ECS
Overview
Clearing Disk Space Using the System Built-in Cleanup Tool
Uninstalling Unnecessary Programs on Control Panel
RAID Array Creation with EVS Disks
Overview
Resource Planning
Implementation Procedure
Creating an ECS
Creating and Attaching EVS Disks
Creating a RAID Array Using mdadm
Configuring Automatic Start of the RAID Array at Server Startup
Extending Disk Partitions and File Systems (Linux Kernel Earlier Than 3.6.0)
Preparing for Extending Disk Partitions and File Systems (Linux Kernel Earlier Than 3.6.0)
Extending System Disk Partitions and File Systems (Linux Kernel Earlier Than 3.6.0)
Extending Data Disk Partitions and File Systems (Linux Kernel Earlier Than 3.6.0)
Extending SCSI Data Disk Partitions and File Systems (Linux Kernel Earlier Than 3.6.0)
API Reference
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
API Types/Versions/Microversions
API Overview
Calling APIs
Making an API Request
Authentication
Response
Getting Started
Creating an EVS Disk
API Version Query
Querying Information of API Versions
Querying Information of an API Version
API
Disk Management
Creating EVS Disks
Updating an EVS Disk
Querying Details About All EVS Disks
Querying Details About an EVS Disk
Expanding Capacity of an EVS Disk
Deleting an EVS Disk
Creating EVS Disks (Deprecated)
Querying EVS Disks (Deprecated)
Expanding Capacity of an EVS Disk (Deprecated)
Unsubscribing from Yearly/Monthly EVS Disks
Querying Details About All EVS Disks (Deprecated)
Querying Details About an EVS Disk (Deprecated)
Modifying QoS of an EVS Disk
Snapshot Management
Creating an EVS Snapshot
Deleting an EVS Snapshot
Updating an EVS Snapshot
Querying Details About EVS Snapshots
Querying Details About an EVS Snapshot
Rolling Back a Snapshot to an EVS Disk
Rolling Back a Snapshot to an EVS Disk (Deprecated)
Tag Management
Batch Adding Tags for a Specified EVS Disk
Batch Deleting Tags from a Specified EVS Disk
Obtaining Tags of All EVS Disks
Querying Tags of an EVS Disk
Querying Details of EVS Disks by Tag
Task Management
Querying Task Status
Cinder API
Disk Management
Creating EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disk Types
Querying Details About an EVS Disk Type
Querying EVS Disks
Querying Details About an EVS Disk
Querying Details About All EVS Disks
Querying Extension APIs
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Setting Read-Only Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Attaching an EVS Disk (Deprecated)
Detaching an EVS Disk (Deprecated)
Reserving an EVS Disk (Deprecated)
Canceling Reservation of an EVS Disk (Deprecated)
Snapshot Management
Creating an EVS Snapshot
Deleting an EVS Snapshot
Updating an EVS Snapshot
Querying EVS Snapshots
Querying Details About EVS Snapshots
Querying Details About an EVS Snapshot
Quota Management
Querying Detailed Quotas of a Tenant
Disk Transfer Management
Creating an EVS Disk Transfer
Accepting an EVS Disk Transfer
Deleting an EVS Disk Transfer
Querying Details of an EVS Disk Transfer
Querying All EVS Disk Transfers
Querying Details of All EVS Disk Transfers
Disk Metadata Management
Adding Metadata of an EVS Disk
Querying One Piece of Metadata of an EVS Disk
Updating One Piece of Metadata of an EVS Disk
Updating Metadata of an EVS Disk
Querying Metadata of an EVS Disk
Deleting One Piece of Metadata of an EVS Disk
Querying Metadata of an EVS Disk
Snapshot Metadata Management
Adding the Metadata of an EVS Snapshot
Querying the Metadata of an EVS Snapshot
Updating One Piece of Metadata of an EVS Snapshot
Updating the Metadata of an EVS Snapshot
Querying One Piece of Metadata of an EVS Snapshot
Deleting One Piece of Metadata of an EVS Snapshot
API Version Query
Querying Information of an API Version
Querying Information of API Versions
AZ Query
Querying All AZs
Out-of-Date APIs
API
Disk Management
Querying Details About All EVS Disks (Deprecated)
Creating EVS Disks (Deprecated)
Querying Details About an EVS Disk (Deprecated)
Snapshot Management
Rolling Back a Snapshot to an EVS Disk (Deprecated)
Cinder API
Disk Management
Querying Details About an EVS Disk (Deprecated)
Creating EVS Disks
Querying Details About All EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disk Types
Querying Details About an EVS Disk Type
Querying EVS Disks
Querying Details About an EVS Disk
Querying Extension APIs
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Setting Read-Only Flag for an EVS Disk
Snapshot Management
Creating an EVS Snapshot
Querying Details About an EVS Snapshot
Querying EVS Snapshots
Querying Details About EVS Snapshots
Updating an EVS Snapshot
Deleting an EVS Snapshot
Quota Management
Querying Detailed Quotas of a Tenant
Disk Metadata Management
Adding Metadata of an EVS Disk
Querying One Piece of Metadata of an EVS Disk
Updating One Piece of Metadata of an EVS Disk
Updating Metadata of an EVS Disk
Deleting One Piece of Metadata of an EVS Disk
Snapshot Metadata Management
Deleting One Piece of Metadata of an EVS Snapshot
Adding the Metadata of an EVS Snapshot
Querying One Piece of Metadata of an EVS Snapshot
Querying the Metadata of an EVS Snapshot
Updating the Metadata of an EVS Snapshot
Updating One Piece of Metadata of an EVS Snapshot
Querying AZs
Querying All AZs
Permissions and Supported Actions
Introduction
API Version Query
Disk
Disk Action
Snapshot
Tag
Disk Transfer
Appendix
Error Codes
Status Codes
EVS Disk Status
EVS Snapshot Status
API Actions
Obtaining a Project ID
Obtaining an Account ID
Change History
SDK Reference
SDK Overview
FAQs
Summary
General
How Do I Start Using a Newly Purchased Disk?
Can EVS Disks Be Used Directly for Storage?
Can EVS Disks Be Used Alone?
How Can I View My Disk Details?
Can I Change the AZ of My Disk?
Can I Change the Disk Type, Device Type, or Sharing Attribute of My Disk?
What Should I Do If an Error Occurs on My EVS Disk?
How Can I Obtain ECS NIC Information?
Why Do Some of My EVS Disks Not Have WWN Information?
How Can I Migrate Data from an EVS Disk?
What Are the Differences Between System Disks and Data Disks?
Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
How Can I Download My EVS Disk Data to a Local PC?
How Can I Export the Original Data After I Changed My Server OS from Windows to CentOS?
What Are the Differences Between MBR and GPT Partition Styles?
How Can I View Data on My Disk If Its Yearly/Monthly Server Has Expired?
What Does the "reserveVolume" Trace Mean in CTS?
How Can I Upload Files to My EVS Disk?
Billing
How Can I Stop Being Billed for My Disk?
Will I Be Billed If I Have Purchased an EVS Disk But Not Used It?
How Can I Delete or Unsubscribe from a Yearly/Monthly Disk?
Can I Recover My Disk Data If the Disk Is Unsubscribed from, Deleted by Mistake, or Released After the Retention Period Ends?
Will My EVS Disk Be Unsubscribed or Deleted When I Unsubscribe from or Delete Its Server?
Capacity Expansion
Can I Reduce or Temporarily Expand the Disk Capacity?
What Are the Differences Between Expanding Capacity by Expanding an EVS Disk and Creating a New EVS Disk?
Will My Disk Data Be Lost After I Expand the Disk Capacity?
Can I Use Backups or Snapshots Created Before Capacity Expansion to Restore Data on Expanded Disks?
Do I Need to Restart the Server After Expanding the Disk Capacity?
Do I Need to Detach an EVS Disk Before Expanding Its Capacity?
What Should I Do If My Disk Capacity Exceeds 2 TiB After Expansion?
How Can I Allocate Newly Added Space to a New Partition?
How Can I Allocate Newly Added Space to an Existing Partition?
Why Did My Disk Capacity Remain Unchanged on the Server After Capacity Expansion?
Why Can't I Expand Capacity for My Disk?
How Do I Extend the File System of an Unpartitioned Data Disk in Linux?
How Do I Extend the Root Partition of a Quickly Provisioned BMS?
How Do I View the Disk Partition Style in Linux?
Attachment
Why Can't I View the Attached Data Disk on the Server?
Why Can't I Attach My Disk to a Server?
Can I Attach a Disk to Multiple Servers?
Can I Attach a Disk to a Server in Another AZ?
How Can I Add a Data Disk to an Existing Server?
Can I Attach a Yearly/Monthly Disk to Another Server?
Can I Attach Different Types of Disks to the Same Server?
Can I Switch Between System Disks and Data Disks?
What Should I Do If a Linux EVS Disk Is Attached to a Windows Server?
Can I Attach an EVS Disk Purchased with a Yearly/Monthly Server to Another Yearly/Monthly Server?
Can I Change the Function of a System Disk or Data Disk Purchased Along with a Server?
How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
Detachment
If I Detach a Disk, Will I Lose the Data on My Disk?
Why Can't I Detach My Disk?
Deletion
How Can I Recover Data from a Disk That Was Accidentally Deleted?
Why Can't I Delete My Disk?
Capacity
What Is the Maximum Capacity Supported for the System and Data Disks?
What Should I Do If My Disk Starts to Run Out of Space?
What Can I Do If the Capacity of My Disk Reaches the Maximum But I Still Need More Space?
What Should I Do If I Use fdisk to Initialize a Disk Larger Than 2 TiB and Then the Space in Excess of 2 TiB Cannot Be Displayed?
How Can I View My Disk Usage?
How Can I Monitor My Disk Usages?
Can I Transfer the Data Disk Capacity to a System Disk?
Why the Space of My New Disk Is Full After I Uploaded Only 500 MB of Files to the Disk?
Performance
How Can I Test My Disk Performance?
Why Does My Disk Performance Test Using Fio Have Incorrect Results?
How Can I Handle a Slowdown in Disk Read/Write Speed and Increased I/O?
How Can I Improve My Disk Performance?
Why My Disk's Read IOPS Can't Reach the Theoretical Maximum IOPS When the Disk I/O Usage Is Almost 100%?
Sharing
Do I Have to Deploy a Cluster to Use Shared Disks?
How Many Servers Can I Attach a Shared Disk to?
How Can I Attach a Shared Disk to Multiple Servers?
Can a Shared Disk Be Attached to Servers That Belong to Different Accounts?
Can I Attach a Shared Disk to Servers Running Different OSs?
Snapshot
What Are the Typical Causes of a Snapshot Creation Failure?
Does EVS Support Automatic Snapshot Creation?
Can I Create Snapshots for Multiple Disks at a Time?
How Is a Snapshot Created for My Disk?
Why Can't I Roll Back My Disk Data from a Snapshot?
Can I Roll Back the Data from a Snapshot After Reinstalling the OS or Formatting the Disk?
How Is the Snapshot Size Calculated?
Do Snapshots Take Space on the Disk?
Can I Perform Multiple Rollback Operations for a Snapshot?
Can I Replicate Snapshots to Other Regions or Accounts?
Why Can't I Find My Snapshot?
Can I Use a Snapshot to Create a Disk and Roll Back the Snapshot at Almost the Same Time?
Backup
Do I Need to Stop the Server Before Performing a Backup?
Can I Back Up and Restore My EVS Disk to a Different Region?
How Do I View My Backup Data?
Video
Glossary
More Documents
User Guide
Overview
What Is EVS?
Disk Types and Performance
Device Types and Usage Instructions
Shared EVS Disks and Usage Instructions
EVS Encryption
EVS Backup
EVS Snapshot
Differences Between EVS Disk Backup and EVS Snapshot
Billing
Permissions Management
EVS and Other Services
Basic Concepts
Region and AZ
Getting Started
Basic Operation Procedure
Create an EVS Disk
Attach an EVS Disk
Attaching a Non-Shared Disk
Attaching a Shared Disk
Initialize an EVS Data Disk
Introduction to Data Disk Initialization Scenarios and Partition Styles
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TiB (parted)
Permissions Management
Creating a User and Granting EVS Permissions
EVS Custom Policies
Disk Capacity Expansion
Expansion Overview
Expanding Capacity for an In-use EVS Disk
Expanding Capacity for an Available EVS Disk
Extending Disk Partitions and File Systems (Windows Server 2008)
Extending Disk Partitions and File Systems (Linux)
Partition and File System Extension Preparations (Linux)
Extending Partitions and File Systems for System Disks (Linux)
Extending Partitions and File Systems for Data Disks (Linux)
Extending Partitions and File Systems for SCSI Disks (Linux)
Detaching an EVS Disk
Detaching a System Disk
Detaching a Data Disk
Deleting EVS Disks
Managing Shared EVS Disks
Managing EVS Backups
Managing EVS Snapshots
Snapshot Overview
Creating a Snapshot
Deleting a Snapshot
Rolling Back Data from a Snapshot
Creating an EVS Disk from a Snapshot
Managing EVS Transfers
Managing a Tag
Tag Overview
Adding a Tag
Modifying a Tag
Deleting a Tag
Searching Disks by Tags
Viewing EVS Monitoring Data
Auditing
FAQ
General
How Do I Start Using a Newly Purchased Disk?
Can EVS Disks Be Used Directly for Storage?
Can EVS Disks Be Used Alone?
How Can I View My Disk Details?
Can I Change the AZ of My Disk?
What Are the Differences Between System Disks and Data Disks?
How Can I Download My EVS Disk Data to a Local PC?
How Can I Export the Original Data After I Changed My Server OS from Windows to CentOS?
What Are the Differences Between MBR and GPT Partition Styles?
Capacity Expansion
Can I Reduce or Temporarily Expand the Disk Capacity?
What Are the Differences Between Expanding Capacity by Expanding an EVS Disk and Creating a New EVS Disk?
Will My Disk Data Be Lost After I Expand the Disk Capacity?
Do I Need to Restart the Server After Expanding the Disk Capacity?
Do I Need to Detach an EVS Disk Before Expanding Its Capacity?
What Should I Do If My Disk Capacity Exceeds 2 TiB After Expansion?
Why Did My Disk Capacity Remain Unchanged on the Server After Capacity Expansion?
How Do I Extend the File System of an Unpartitioned Data Disk in Linux?
Attachment
Why Can't I View the Attached Data Disk on the Server?
Can I Attach a Disk to Multiple Servers?
Can I Attach a Disk to a Server in Another AZ?
How Can I Add a Data Disk to an Existing Server?
Can I Attach Different Types of Disks to the Same Server?
What Should I Do If a Linux EVS Disk Is Attached to a Windows Server?
Detachment
If I Detach a Disk, Will I Lose the Data on My Disk?
Why Can't I Detach My Disk?
Capacity
What Is the Maximum Capacity Supported for the System and Data Disks?
What Should I Do If My Disk Starts to Run Out of Space?
What Should I Do If I Use fdisk to Initialize a Disk Larger Than 2 TB and Then the Space in Excess of 2 TB Cannot Be Displayed?
How Can I View My Disk Usage?
Sharing
Do I Have to Deploy a Cluster to Use Shared Disks?
How Many Servers Can I Attach a Shared Disk to?
How Can I Attach a Shared Disk to Multiple Servers?
Can a Shared Disk Be Attached to Servers That Belong to Different Accounts?
Can I Attach a Shared Disk to Servers Running Different OSs?
Appendix
EVS Disk Status
EVS Snapshot Status
Change History
API Reference (ME-Abu Dhabi Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
API Types/Versions/Microversions
API Overview
Calling APIs
Making an API Request
Authentication
Response
Getting Started
Creating an EVS Disk
API Version Query
Querying Information of API Versions
Querying Information of an API Version
API v2
EVS Disk
Creating EVS Disks
Querying Details About All Disks
Deleting an EVS Disk (Deprecated)
Updating an EVS Disk (Deprecated)
Querying Details About a Disk
Querying EVS Disks (Deprecated)
Expanding Capacity of an EVS Disk (Deprecated)
EVS Snapshot
Rolling Back a Snapshot to an EVS Disk
OpenStack Cinder API v2
EVS Disk
Creating EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disks
Querying Details About All Disks
Querying Details About a Disk
Querying EVS Disk Types
Querying Details About an EVS Disk Type
Querying Details of Tenant Quotas
Adding Metadata of an EVS Disk
Querying Metadata of an EVS Disk
Updating Metadata of an EVS Disk
Querying One Piece of Metadata for an EVS Disk
Updating One Piece of Metadata for an EVS Disk
Deleting One Piece of Metadata for an EVS Disk
Querying Extension APIs
Querying All AZs
EVS Disk Actions
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Setting Read-Only Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Attaching an EVS Disk (Deprecated)
Detaching an EVS Disk (Deprecated)
Reserving an EVS Disk (Deprecated)
Canceling Reservation of an EVS Disk (Deprecated)
EVS Snapshot
Creating an EVS Snapshot
Deleting an EVS Snapshot
Updating an EVS Snapshot
Querying EVS Snapshots
Querying Details About EVS Snapshots
Querying Details About an EVS Snapshot
Adding Metadata of an EVS Snapshot
Querying Metadata of an EVS Snapshot
Updating One Piece of Metadata for an EVS Snapshot
Updating Metadata of an EVS Snapshot
Querying One Piece of Metadata for an EVS Snapshot
Deleting One Piece of Metadata for an EVS Snapshot
EVS Disk Transfer
Creating a Disk Transfer
Accepting a Disk Transfer
Deleting a Disk Transfer
Querying Details of a Disk Transfer
Querying All Disk Transfers
Querying Details of All Disk Transfers
Out-of-Date APIs
API v1
Querying Task Status
OpenStack Cinder API v1 (Deprecated)
EVS Disk
Querying Details About a Disk (Deprecated)
Appendix
Error Codes
HTTP Status Codes
EVS Disk Status
EVS Snapshot Status
API Actions
Obtaining a Project ID
Obtaining an Account ID
Change History
User Guide (Paris Region)
Overview
What Is EVS?
Disk Types and Performance
Device Types and Usage Instructions
Shared EVS Disks and Usage Instructions
EVS Encryption
EVS Backup
EVS Three-Copy Redundancy
Billing
Billing for Disks
Pay-per-Use Disk Usage Suggestions
Permissions
Constraints
EVS and Other Services
Basic Concepts
EVS Concepts
Region and AZ
Getting Started
Process Overview
Create an EVS Disk
Attach an EVS Disk
Attaching a Non-Shared Disk
Attaching a Shared Disk
Initialize an EVS Data Disk
Introduction to Data Disk Initialization Scenarios and Partition Styles
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TiB (parted)
Permissions Management
Creating a User and Granting EVS Permissions
EVS Custom Policies
Creating and Using an EVS Disk
Disk Capacity Expansion
Expansion Overview
Expanding Capacity for an In-use EVS Disk
Expanding Capacity for an Available EVS Disk
Extending Disk Partitions and File Systems (Windows Server 2008)
Extending Disk Partitions and File Systems (Windows Server 2016)
Extending Disk Partitions and File Systems (Linux)
Partition and File System Extension Preparations (Linux)
Extending Partitions and File Systems for System Disks (Linux)
Extending Partitions and File Systems for Data Disks (Linux)
Extending Partitions and File Systems for SCSI Disks (Linux)
Detaching an EVS Disk
Detaching a System Disk
Detaching a Data Disk
Attaching an Existing Disk
Attaching an Existing System Disk
Attaching an Existing Non-Shared Disk
Attaching an Existing Shared Disk
Deleting EVS Disks
Viewing EVS Disk Details
Managing Encrypted EVS Disks
Managing Shared EVS Disks
Managing EVS Backups
Managing a Tag
Tag Overview
Adding a Tag
Modifying a Tag
Deleting a Tag
Searching for Disks by Tag
Changing EVS Disk Name
Viewing EVS Monitoring Data
Viewing EVS Monitoring Data (Agent Installed and Simplified Monitoring Metrics Used)
Auditing
Managing Quotas
Querying EVS Resource Quotas
Increasing EVS Resource Quotas
FAQ
Summary
General
How Do I Start Using a Newly Created Disk?
Can EVS Disks Be Used Directly for Storage?
Can EVS Disks Be Used Alone?
How Can I View My Disk Details?
Can I Change the AZ of My Disk?
Can I Change the Disk Type, Device Type, or Sharing Attribute of My Disk?
What Should I Do If an Error Occurs on My EVS Disk?
How Can I Obtain ECS NIC Information?
Why Do Some of My EVS Disks Not Have WWN Information?
How Can I Migrate Data from an EVS Disk?
What Are the Differences Between System Disks and Data Disks?
Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
How Can I Download My EVS Disk Data to a Local PC?
How Can I Export the Original Data After I Changed My Server OS from Windows to CentOS?
What Are the Differences Between MBR and GPT Partition Styles?
What Does the "reserveVolume" Trace Mean in CTS?
How Can I Upload Files to My EVS Disk?
Billing
How Can I Stop Being Billed for My Disk?
Will I Be Billed If I Have Purchased an EVS Disk But Not Used It?
Can I Recover My Disk Data If the Disk Is Deleted by Mistake?
Will My EVS Disk Be Deleted When I Delete Its Server?
Capacity Expansion
Can I Reduce or Temporarily Expand the Disk Capacity?
What Are the Differences Between Expanding Capacity by Expanding an EVS Disk and Creating a New EVS Disk?
Will My Disk Data Be Lost After I Expand the Disk Capacity?
Can I Use Backups Created Before Capacity Expansion to Restore Data on Expanded Disks?
Do I Need to Restart the Server After Expanding the Disk Capacity?
Do I Need to Detach an EVS Disk Before Expanding Its Capacity?
What Should I Do If My Disk Capacity Exceeds 2 TiB After Expansion?
How Can I Allocate Newly Added Space to a New Partition?
How Can I Allocate Newly Added Space to an Existing Partition?
Why Did My Disk Capacity Remain Unchanged on the Server After Capacity Expansion?
Why Can't I Expand Capacity for My Disk?
How Do I Extend the File System of an Unpartitioned Data Disk in Linux?
How Do I Extend the Root Partition of a Quickly Provisioned BMS?
How Do I View the Disk Partition Style in Linux?
Attachment
Why Can't I View the Attached Data Disk on the Server?
Why Can't I Attach My Disk to a Server?
Can I Attach a Disk to Multiple Servers?
Can I Attach a Disk to a Server in Another AZ?
How Can I Add a Data Disk to an Existing Server?
Can I Attach Different Types of Disks to the Same Server?
What Should I Do If a Linux EVS Disk Is Attached to a Windows Server?
Can I Change the Function of a System Disk or Data Disk Created Along with a Server?
How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
Detachment
If I Detach a Disk, Will I Lose the Data on My Disk?
Why Can't I Detach My Disk?
Deletion
How Can I Recover Data from a Disk That Was Accidentally Deleted?
Capacity
What Is the Maximum Capacity Supported for the System and Data Disks?
What Should I Do If My Disk Starts to Run Out of Space?
What Can I Do If the Capacity of My Disk Reaches the Maximum But I Still Need More Space?
What Should I Do If I Use fdisk to Initialize a Disk Larger Than 2 TiB and Then the Space in Excess of 2 TiB Cannot Be Displayed?
How Can I View My Disk Usage?
How Can I Monitor My Disk Usages?
Can I Transfer the Data Disk Capacity to a System Disk?
Why the Space of My New Disk Is Full After I Uploaded Only 500 MB of Files to the Disk?
Performance
How Can I Test My Disk Performance?
Why Does My Disk Performance Test Using Fio Have Incorrect Results?
How Can I Handle a Slowdown in Disk Read/Write Speed and Increased I/O?
How Can I Improve My Disk Performance?
Why My Disk's Read IOPS Can't Reach the Theoretical Maximum IOPS When the Disk I/O Usage Is Almost 100%?
Sharing
Do I Have to Deploy a Cluster to Use Shared Disks?
How Many Servers Can I Attach a Shared Disk to?
How Can I Attach a Shared Disk to Multiple Servers?
Can a Shared Disk Be Attached to Servers That Belong to Different Accounts?
Can I Attach a Shared Disk to Servers Running Different OSs?
Backup
Do I Need to Stop the Server Before Performing a Backup?
Can I Back Up and Restore My EVS Disk to a Different Region?
How Do I View My Backup Data?
Appendix
EVS Disk Status
Change History
API Reference (Paris Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
API Overview
Calling APIs
Making an API Request
Authentication
Response
Getting Started
Creating an EVS Disk
APIs
Disk Management
Creating EVS Disks
Querying Details About All Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying Details About All Disks (Deprecated)
Querying Details About a Disk
Querying EVS Disks
Expanding Capacity of an EVS Disk
Tag Management
Batch Deleting Tags of a Specified EVS Disk
Batch Adding Tags for the Specified EVS Disk
Obtaining All Tags of an EVS Resource Type
Querying Tags of an EVS Disk
Querying Details of EVS Disks by Tag
Deleting the Tag of an EVS Resource by Key
Querying the Number of EVS Disks by Tag
Adding or Updating Tags for an EVS Resource (Deprecated)
Batch Deleting Tags for an EVS Resource (Deprecated)
Obtaining Tags of a Specified EVS Resource (Deprecated)
Querying Tags of an EVS Resource by Key (Deprecated)
Resetting Tags of an EVS Resource (Deprecated)
Updating Tags of an EVS Resource by Key (Deprecated)
Querying EVS Resources by Tag (Deprecated)
Task Management
Querying Task Status
EVS Replication Pair (Deprecated)
Creating an EVS Replication Pair (Deprecated)
Deleting an EVS Replication Pair (Deprecated)
Querying All EVS Replication Pairs (Deprecated)
Querying Details About an EVS Replication Pair (Deprecated)
Replication Consistency Group (Deprecated)
Creating a Replication Consistency Group (Deprecated)
Deleting a Replication Consistency Group (Deprecated)
Querying All Replication Consistency Groups (Deprecated)
Querying Details About a Replication Consistency Group (Deprecated)
Updating a Replication Consistency Group (Deprecated)
Performing a Failover for a Replication Consistency Group (Deprecated)
Synchronizing a Replication Consistency Group (Deprecated)
Performing a Primary/Secondary Switchover for a Replication Consistency Group (Deprecated)
Pausing a Replication Consistency Group (Deprecated)
Reprotecting a Replication Consistency Group (Deprecated)
Expanding EVS Disks in a Replication Consistency Group (Deprecated)
EVS Replication Quota (Deprecated)
Querying Default Tenant Quotas (Deprecated)
Querying Tenant Quotas (Deprecated)
OpenStack Cinder APIs
Disk Management
Creating EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disk Types
Querying EVS Disks
Querying Details About All Disks
Querying Details About a Disk
Querying Details About an EVS Disk Type
Querying Extension APIs
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Setting Read-Only Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Attaching an EVS Disk (Deprecated)
Detaching an EVS Disk (Deprecated)
Reserving an EVS Disk (Deprecated)
Canceling Reservation of an EVS Disk (Deprecated)
Quota Management
Querying Details of Tenant Quotas
AZ Query
Querying All AZs
Disk Metadata Management
Adding the Metadata for an EVS Disk
Querying Metadata of an EVS Disk
Updating the Metadata of an EVS Disk
Querying One Piece of Metadata for an EVS Disk
Updating One Piece of Metadata for an EVS Disk
Deleting One Piece of Metadata for an EVS Disk
API Version Query
Querying Information of API Versions
Querying Information of an API Version
Out-of-Date APIs
OpenStack Cinder API
EVS Disk
Creating EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disks
Querying Details About All Disks
Querying Details About a Disk
Querying EVS Disk Types
Querying Details About an EVS Disk Type
Querying Details of Tenant Quotas
Adding Metadata of an EVS Disk
Querying Metadata of an EVS Disk
Updating Metadata of an EVS Disk
Querying One Piece of Metadata for an EVS Disk
Updating One Piece of Metadata for an EVS Disk
Deleting One Piece of Metadata for an EVS Disk
Querying Extension APIs
Querying All AZs
Querying Summary Information of EVS Disks
Querying Details About a Disk (Deprecated)
EVS Disk Actions
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Setting Read-Only Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Reserving an EVS Disk (Deprecated)
Canceling Reservation of an EVS Disk (Deprecated)
EVS Snapshot
Creating an EVS Snapshot
Deleting an EVS Snapshot
Updating an EVS Snapshot
Querying EVS Snapshots
Querying Details About EVS Snapshots
Querying Details About an EVS Snapshot
Adding Metadata of an EVS Snapshot
Querying Metadata of an EVS Snapshot
Updating One Piece of Metadata for an EVS Snapshot
Updating Metadata of an EVS Snapshot
Querying One Piece of Metadata for an EVS Snapshot
Deleting One Piece of Metadata for an EVS Snapshot
EVS Disk Transfer
Creating a Disk Transfer
Accepting a Disk Transfer
Deleting a Disk Transfer
Querying Details of a Disk Transfer
Querying All Disk Transfers
Querying Details of All Disk Transfers
Appendix
Error Codes
Status Codes
EVS Disk Status
EVS Snapshot Status
EVS Replication Pair Status (Deprecated)
Replication Consistency Group Status (Deprecated)
Details of EVS Replication failure_detail Values (Deprecated)
API Actions
Obtaining a Project ID
Obtaining an Account ID
Change History
User Guide (Kuala Lumpur Region)
Overview
What Is EVS?
Disk Types and Performance
Device Types and Usage Instructions
Shared EVS Disks and Usage Instructions
EVS Encryption
EVS Backup
EVS Snapshot
Differences Between EVS Backups and EVS Snapshots
EVS Three-Copy Redundancy
Permissions
Constraints
EVS and Other Services
Basic Concepts
EVS Concepts
Region and AZ
Getting Started
Process Overview
Create an EVS Disk
Attach an EVS Disk
Attaching a Non-Shared Disk
Attaching a Shared Disk
Initialize an EVS Data Disk
Introduction to Data Disk Initialization Scenarios and Partition Styles
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TiB (parted)
Permissions Management
Creating a User and Granting EVS Permissions
EVS Custom Policies
Creating and Using an EVS Disk
Disk Capacity Expansion
Expansion Overview
Expanding Capacity for an In-use EVS Disk
Expanding Capacity for an Available EVS Disk
Extending Disk Partitions and File Systems (Windows Server 2008)
Extending Disk Partitions and File Systems (Windows Server 2016)
Extending Disk Partitions and File Systems (Linux)
Partition and File System Extension Preparations (Linux)
Extending Partitions and File Systems for System Disks (Linux)
Extending Partitions and File Systems for Data Disks (Linux)
Extending Partitions and File Systems for SCSI Disks (Linux)
Detaching an EVS Disk
Detaching a System Disk
Detaching a Data Disk
Attaching an Existing Disk
Attaching an Existing System Disk
Attaching an Existing Non-Shared Disk
Attaching an Existing Shared Disk
Deleting EVS Disks
Viewing EVS Disk Details
Managing Encrypted EVS Disks
Managing Shared EVS Disks
Managing EVS Backups
Managing EVS Snapshots
Snapshot Overview
Creating a Snapshot
Deleting a Snapshot
Viewing Details of a Snapshot
Rolling Back Data from a Snapshot
Creating an EVS Disk from a Snapshot
Managing EVS Transfers
Managing a Tag
Tag Overview
Adding a Tag
Modifying a Tag
Deleting a Tag
Searching for Disks by Tag
Changing EVS Disk Name
Viewing EVS Monitoring Data
Viewing EVS Monitoring Data (Agent Installed and Simplified Monitoring Metrics Used)
Auditing
Managing Quotas
Querying EVS Resource Quotas
Increasing EVS Resource Quotas
FAQ
Summary
General
How Do I Start Using a Newly Created Disk?
Can EVS Disks Be Used Directly for Storage?
Can EVS Disks Be Used Alone?
How Can I View My Disk Details?
Can I Change the AZ of My Disk?
Can I Change the Disk Type, Device Type, or Sharing Attribute of My Disk?
What Should I Do If an Error Occurs on My EVS Disk?
How Can I Obtain ECS NIC Information?
Why Do Some of My EVS Disks Not Have WWN Information?
How Can I Migrate Data from an EVS Disk?
What Are the Differences Between System Disks and Data Disks?
How Can I Download My EVS Disk Data to a Local PC?
How Can I Export the Original Data After I Changed My Server OS from Windows to CentOS?
What Are the Differences Between MBR and GPT Partition Styles?
What Does the "reserveVolume" Trace Mean in CTS?
How Can I Upload Files to My EVS Disk?
Capacity Expansion
Can I Reduce or Temporarily Expand the Disk Capacity?
What Are the Differences Between Expanding Capacity by Expanding an EVS Disk and Creating a New EVS Disk?
Will My Disk Data Be Lost After I Expand the Disk Capacity?
Can I Use Backups or Snapshots Created Before Capacity Expansion to Restore Data on Expanded Disks?
Do I Need to Restart the Server After Expanding the Disk Capacity?
Do I Need to Detach an EVS Disk Before Expanding Its Capacity?
What Should I Do If My Disk Capacity Exceeds 2 TiB After Expansion?
How Can I Allocate Newly Added Space to a New Partition?
How Can I Allocate Newly Added Space to an Existing Partition?
Why Did My Disk Capacity Remain Unchanged on the Server After Capacity Expansion?
Why Can't I Expand Capacity for My Disk?
How Do I Extend the File System of an Unpartitioned Data Disk in Linux?
How Do I Extend the Root Partition of a Quickly Provisioned BMS?
How Do I View the Disk Partition Style in Linux?
Attachment
Why Can't I View the Attached Data Disk on the Server?
Why Can't I Attach My Disk to a ?
Can I Attach a Disk to Multiple Servers?
Can I Attach a Disk to a Server in Another AZ?
How Can I Add a Data Disk to an Existing Server?
Can I Attach Different Types of Disks to the Same Server?
What Should I Do If a Linux EVS Disk Is Attached to a Windows Server?
Can I Change the Function of a System Disk or Data Disk Created Along with a Server?
How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
Detachment
If I Detach a Disk, Will I Lose the Data on My Disk?
Why Can't I Detach My Disk?
Deletion
How Can I Recover Data from a Disk That Was Accidentally Deleted?
Capacity
What Is the Maximum Capacity Supported for the System and Data Disks?
What Should I Do If My Disk Starts to Run Out of Space?
What Can I Do If the Capacity of My Disk Reaches the Maximum But I Still Need More Space?
What Should I Do If I Use fdisk to Initialize a Disk Larger Than 2 TiB and Then the Space in Excess of 2 TiB Cannot Be Displayed?
How Can I View My Disk Usage?
How Can I Monitor My Disk Usages?
Can I Transfer the Data Disk Capacity to a System Disk?
Why the Space of My New Disk Is Full After I Uploaded Only 500 MB of Files to the Disk?
Performance
How Can I Test My Disk Performance?
Why Does My Disk Performance Test Using Fio Have Incorrect Results?
How Can I Handle a Slowdown in Disk Read/Write Speed and Increased I/O?
Why My Disk's Read IOPS Can't Reach the Theoretical Maximum IOPS When the Disk I/O Usage Is Almost 100%?
Sharing
Do I Have to Deploy a Cluster to Use Shared Disks?
How Many Servers Can I Attach a Shared Disk to?
How Can I Attach a Shared Disk to Multiple Servers?
Can a Shared Disk Be Attached to Servers That Belong to Different Accounts?
Can I Attach a Shared Disk to Servers Running Different OSs?
Snapshot
What Are the Typical Causes of a Snapshot Creation Failure?
Does EVS Support Automatic Snapshot Creation?
Can I Create Snapshots for Multiple Disks at a Time?
How Is a Snapshot Created for My Disk?
Why Can't I Roll Back My Disk Data from a Snapshot?
Can I Roll Back the Data from a Snapshot After Reinstalling the OS or Formatting the Disk?
How Is the Snapshot Size Calculated?
Do Snapshots Take Space on the Disk?
Can I Perform Multiple Rollback Operations for a Snapshot?
Can I Replicate Snapshots to Other Regions or Accounts?
Why Can't I Find My Snapshot?
Can I Use a Snapshot to Create a Disk and Roll Back the Snapshot at Almost the Same Time?
Backup
Do I Need to Stop the Server Before Performing a Backup?
Can I Back Up and Restore My EVS Disk to a Different Region?
How Do I View My Backup Data?
Appendix
EVS Disk Status
EVS Snapshot Status
Change History
API Reference (Kuala Lumpur Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
API Types/Versions/Microversions
API Overview
Calling APIs
Making an API Request
Authentication
Response
Getting Started
Creating an EVS Disk
API Version Query
Querying Information of API Versions
Querying Information of an API Version
APIs
EVS Disk
Creating EVS Disks
Querying Details About All Disks
Deleting an EVS Disk (Deprecated)
Updating an EVS Disk (Deprecated)
Querying Details About a Disk
Querying EVS Disks (Deprecated)
Expanding Capacity of an EVS Disk (Deprecated)
EVS Snapshot
Rolling Back a Snapshot to an EVS Disk
EVS Tag
Obtaining All Tags of an EVS Resource Type
Batch Adding Tags for the Specified EVS Disk
Batch Deleting Tags of a Specified EVS Disk
Querying Tags of an EVS Disk
Querying Details of EVS Disks by Tag
OpenStack Cinder APIs
EVS Disk
Creating EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disks
Querying Details About All Disks
Querying Details About a Disk
Querying EVS Disk Types
Querying Details About an EVS Disk Type
Querying Details of Tenant Quotas
Adding the Metadata for an EVS Disk
Querying Metadata of an EVS Disk
Updating the Metadata of an EVS Disk
Querying One Piece of Metadata for an EVS Disk
Updating One Piece of Metadata for an EVS Disk
Deleting One Piece of Metadata for an EVS Disk
Querying Extension APIs
Querying All AZs
EVS Disk Actions
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Setting Read-Only Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Attaching an EVS Disk (Deprecated)
Detaching an EVS Disk (Deprecated)
Reserving an EVS Disk (Deprecated)
Canceling Reservation of an EVS Disk (Deprecated)
EVS Snapshot
Creating an EVS Snapshot
Deleting an EVS Snapshot
Updating an EVS Snapshot
Querying EVS Snapshots
Querying Details About EVS Snapshots
Querying Details About an EVS Snapshot
Adding Metadata of an EVS Snapshot
Querying Metadata of an EVS Snapshot
Updating One Piece of Metadata for an EVS Snapshot
Updating the Metadata of an EVS Snapshot
Querying One Piece of Metadata for an EVS Snapshot
Deleting One Piece of Metadata for an EVS Snapshot
EVS Disk Transfer
Creating a Disk Transfer
Accepting a Disk Transfer
Deleting a Disk Transfer
Querying Details of a Disk Transfer
Querying All Disk Transfers
Querying Details of All Disk Transfers
Out-of-Date APIs
API v1
Querying Task Status
OpenStack Cinder API v1 (Deprecated)
EVS Disk
Querying Details About a Disk (Deprecated)
Permissions Policies and Supported Actions
Introduction
API Version Query
Disk
Disk Action
Snapshot
Tag
Disk Transfer
Appendix
Error Codes
Status Codes
EVS Disk Status
EVS Snapshot Status
API Actions
Obtaining a Project ID
Obtaining an Account ID
Change History
User Guide (Ankara Region)
Overview
What Is EVS?
Disk Types and Performance
Device Types and Usage Instructions
Shared EVS Disks and Usage Instructions
EVS Backup
EVS Snapshot
Differences Between EVS Backups and EVS Snapshots
Permissions
EVS and Other Services
Basic Concepts
Region and AZ
Getting Started
Process Overview
Create an EVS Disk
Attach an EVS Disk
Attaching a Non-Shared Disk
Attaching a Shared Disk
Initialize an EVS Data Disk
Introduction to Data Disk Initialization Scenarios and Partition Styles
Initializing a Windows Data Disk (Windows Server 2008)
Initializing a Windows Data Disk (Windows Server 2019)
Initializing a Linux Data Disk (fdisk)
Initializing a Linux Data Disk (parted)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
Initializing a Linux Data Disk Larger Than 2 TiB (parted)
Disk Capacity Expansion
Expansion Overview
Expanding Capacity for an In-use EVS Disk
Expanding Capacity for an Available EVS Disk
Extending Disk Partitions and File Systems (Windows Server 2008)
Extending Disk Partitions and File Systems (Linux)
Partition and File System Extension Preparations (Linux)
Extending Partitions and File Systems for System Disks (Linux)
Extending Partitions and File Systems for Data Disks (Linux)
Extending Partitions and File Systems for SCSI Disks (Linux)
Detaching an EVS Disk
Detaching a System Disk
Detaching a Data Disk
Deleting EVS Disks
Permissions Management
Creating a User and Granting EVS Permissions
EVS Custom Policies
Managing Shared EVS Disks
Managing EVS Backups
Managing EVS Snapshots
Snapshot Overview
Creating a Snapshot
Deleting a Snapshot
Viewing Details of a Snapshot
Rolling Back Data from a Snapshot
Creating an EVS Disk from a Snapshot
Managing EVS Transfers
Viewing EVS Monitoring Data
Managing Quotas
Querying EVS Resource Quotas
Increasing EVS Resource Quotas
FAQ
General
How Do I Start Using a Newly Disk?
Can EVS Disks Be Used Directly for Storage?
Can EVS Disks Be Used Alone?
How Can I View My Disk Details?
Can I Change the AZ of My Disk?
What Are the Differences Between System Disks and Data Disks?
How Can I Download My EVS Disk Data to a Local PC?
How Can I Export the Original Data After I Changed My Server OS from Windows to CentOS?
What Are the Differences Between MBR and GPT Partition Styles?
Attachment
Why Can't I View the Attached Data Disk on the Server?
Can I Attach a Disk to Multiple Servers?
Can I Attach a Disk to a Server in Another AZ?
How Can I Add a Data Disk to an Existing Server?
Can I Attach Different Types of Disks to the Same Server?
What Should I Do If a Linux EVS Disk Is Attached to a Windows Server?
How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
Capacity Expansion
Can I Reduce or Temporarily Expand the Disk Capacity?
What Are the Differences Between Expanding Capacity by Expanding an EVS Disk and Creating a New EVS Disk?
Will My Disk Data Be Lost After I Expand the Disk Capacity?
Do I Need to Restart the Server After Expanding the Disk Capacity?
Do I Need to Detach an EVS Disk Before Expanding Its Capacity?
What Should I Do If My Disk Capacity Exceeds 2 TiB After Expansion?
Why Did My Disk Capacity Remain Unchanged on the Server After Capacity Expansion?
How Do I Extend the File System of an Unpartitioned Data Disk in Linux?
How Do I View the Disk Partition Style in Linux?
Detachment
If I Detach a Disk, Will I Lose the Data on My Disk?
Why Can't I Detach My Disk?
Capacity
What Is the Maximum Capacity Supported for the System and Data Disks?
What Should I Do If My Disk Starts to Run Out of Space?
What Should I Do If I Use fdisk to Initialize a Disk Larger Than 2 TiB and Then the Space in Excess of 2 TiB Cannot Be Displayed?
How Can I View My Disk Usage?
Why the Space of My New Disk Is Full After I Uploaded Only 500 MB of Files to the Disk?
Snapshot
What Are the Typical Causes of a Snapshot Creation Failure?
Does EVS Support Automatic Snapshot Creation?
Can I Create Snapshots for Multiple Disks at a Time?
How Is a Snapshot Created for My Disk?
Why Can't I Roll Back My Disk Data from a Snapshot?
Can I Roll Back the Data from a Snapshot After Reinstalling the OS or Formatting the Disk?
How Is the Snapshot Size Calculated?
Do Snapshots Take Space on the Disk?
Can I Perform Multiple Rollback Operations for a Snapshot?
Can I Replicate Snapshots to Other Regions or Accounts?
Why Can't I Find My Snapshot?
Can I Use a Snapshot to Create a Disk and Roll Back the Snapshot at Almost the Same Time?
Sharing
Do I Have to Deploy a Cluster to Use Shared Disks?
How Many Servers Can I Attach a Shared Disk to?
How Can I Attach a Shared Disk to Multiple Servers?
Can a Shared Disk Be Attached to Servers That Belong to Different Accounts?
Can I Attach a Shared Disk to Servers Running Different OSs?
Appendix
EVS Disk Status
EVS Snapshot Status
Change History
API Reference (Ankara Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
API Types/Versions/Microversions
API Overview
Calling APIs
Making an API Request
Authentication
Response
Getting Started
Creating an EVS Disk
APIs
Disk Management
Creating EVS Disks
Querying Details About All Disks
Querying Details About a Disk
Deleting an EVS Disk
Updating an EVS Disk
Querying Details About All Disks (Deprecated)
Querying Details About a Disk (Deprecated)
Querying EVS Disks
Expanding Capacity of an EVS Disk
Task Management
Querying Task Status
OpenStack Cinder APIs
Disk Management
Creating EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disk Types
Querying EVS Disks
Querying Details About All Disks
Querying Details About a Disk
Querying Details About an EVS Disk Type
Querying Extension APIs
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Setting Read-Only Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Attaching an EVS Disk (Deprecated)
Detaching an EVS Disk (Deprecated)
Reserving an EVS Disk (Deprecated)
Canceling Reservation of an EVS Disk (Deprecated)
Quota Management
Querying Details of Tenant Quotas
AZ Query
Querying All AZs
Disk Transfer Management
Creating a Disk Transfer
Accepting a Disk Transfer
Deleting a Disk Transfer
Querying Details of a Disk Transfer
Querying All Disk Transfers
Querying Details of All Disk Transfers
Disk Metadata Management
Adding the Metadata for an EVS Disk
Querying Metadata of an EVS Disk
Updating the Metadata of an EVS Disk
Querying One Piece of Metadata for an EVS Disk
Updating One Piece of Metadata for an EVS Disk
Deleting One Piece of Metadata for an EVS Disk
API Version Query
Querying Information of API Versions
Querying Information of an API Version
Out-of-Date APIs
API
Disk Management
Creating EVS Disks
Querying Details About All EVS Disks (Deprecated)
Querying Details About an EVS Disk (Deprecated)
Querying Loading Progress of a Lazyloading Disk
OpenStack Cinder API
EVS Disk
Creating EVS Disks
Deleting an EVS Disk
Updating an EVS Disk
Querying EVS Disks
Querying Details About All Disks
Querying Details About a Disk
Querying EVS Disk Types
Querying Details About an EVS Disk Type
Querying Details of Tenant Quotas
Adding Metadata of an EVS Disk
Querying Metadata of an EVS Disk
Updating Metadata of an EVS Disk
Querying One Piece of Metadata for an EVS Disk
Updating One Piece of Metadata for an EVS Disk
Deleting One Piece of Metadata for an EVS Disk
Querying Extension APIs
Querying All AZs
Querying Summary Information of EVS Disks
Querying Details About a Disk (Deprecated)
EVS Disk Actions
Expanding Capacity of an EVS Disk
Setting Bootable Flag for an EVS Disk
Setting Read-Only Flag for an EVS Disk
Exporting EVS Disk Data as an Image
Reserving an EVS Disk (Deprecated)
Canceling Reservation of an EVS Disk (Deprecated)
EVS Snapshot
Creating an EVS Snapshot
Deleting an EVS Snapshot
Updating an EVS Snapshot
Querying EVS Snapshots
Querying Details About EVS Snapshots
Querying Details About an EVS Snapshot
Adding Metadata of an EVS Snapshot
Querying Metadata of an EVS Snapshot
Updating One Piece of Metadata for an EVS Snapshot
Updating Metadata of an EVS Snapshot
Querying One Piece of Metadata for an EVS Snapshot
Deleting One Piece of Metadata for an EVS Snapshot
EVS Disk Transfer
Creating a Disk Transfer
Accepting a Disk Transfer
Deleting a Disk Transfer
Querying Details of a Disk Transfer
Querying All Disk Transfers
Querying Details of All Disk Transfers
Appendix
Error Codes
Status Codes
EVS Disk Status
EVS Snapshot Status
API Actions
Obtaining a Project ID
Obtaining an Account ID
Change History
General Reference
Glossary
Service Level Agreement
White Papers
Endpoints
Permissions