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Dell Lifecycle Controller 2 Release 1.4.0 User's Guide

About Server Profile Backup Image

The server profile backup image file contains:
  • Readable
    • System identification information such as model number and service tag. For example, R720 and 1P3HRBS.
    • Date and time the backup was last taken
    • Currently-installed hardware inventory information
    • Firmware for each component
  • Encrypted
    • Component configuration information
    • User name and password for RAID controller and BIOS
    • Component certificates
    • Licenses
    • Signature to validate that backup file is not been tampered and was generated by Lifecycle Controller
The server profile backup image file does not contain:
  • Operating system or any data stored on hard disk drives or virtual drives
  • vFlash SD card partition information
  • Lifecycle log
  • Dell diagnostics
  • Dell OS Driver Pack
  • A Local Key Management (LKM) passphrase, if the LKM–based storage encryption is enabled. However, you must provide the LKM passphrase after performing the restore operation.

Security

The contents of the backup image file cannot be accessed with any application, even if it is generated without a passphrase. However, if the backup image file is created using a passphrase, Lifecycle Controller uses the passphrase to encrypt the backup image file with 128-bit encryption.

Size

On the basis of server configuration, the size of a backup image file can be a maximum of 384 MB.

Performance

  • Backup – The time taken to collect the required information and store the backup image file on vFlash SD card is 45 minutes (maximum).
  • Restore - The time taken to restore a server using a backup image file depends on the number of components installed o the server. Most of the server components such as BIOS, NIC, RAID, and other host bus adapters require multiple system restarts in order to restore the server to its previous configuration. Each restart may take from 1–15 minutes (for maximum system hardware configurations). This restart time is in addition to the time taken for accessing the backup image file, which is dependent on where it is stored (vFlash SD card, USB drive, or network share).

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