Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
Item |
OS Reinstallation |
OS Change |
Specifications Modification |
---|---|---|---|
Application scenario |
Initialize an ECS. The ECS OS remains unchanged after OS change. |
Change the OS of an ECS by changing its image. OS change between Windows and Linux is supported only in the Chinese mainland regions. For details about OS change constraints, see Changing the OS. |
Change ECS specifications, such as increasing the number of vCPUs or adding memory, to meet your service requirements. |
Billing |
OS reinstallation is free of charge. The ECS price remains unchanged. |
OS change is free of charge. However, you will be billed based on your new image type after OS change. For details, see Product Price Details. |
Modifying ECS specifications is free of charge. However, you will be billed based on the new specifications after modification. For details, see Pricing of a Changed Specification. |
IP address |
The private IP address, EIP, and MAC address remain unchanged. |
The private IP address, EIP, and MAC address remain unchanged. |
The private IP address, EIP, and MAC address remain unchanged. |
System disk |
Reinstalling OS will clear the data in all partitions of the ECS system disk. Back up data before reinstalling the OS. |
Changing OS will clear the data in all partitions of the ECS system disk. Back up data before changing the OS. |
No impact on system disk. |
Data disk |
No impact on data disk. |
No impact on data disk. |
No impact on data disk. |
Backup |
Back up data before reinstalling the OS to prevent data loss. |
Back up data before changing the OS to prevent data loss. |
Create a system disk snapshot before modifying ECS specifications to prevent data loss. |
General FAQs
- 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?
- How Do I Change the Name of My Disk?
- 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 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 Download My EVS Disk Data to a Local PC?
- How Can I Upload Files to My EVS Disk?
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