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+--- Thread: GB difference Live vs Recovery = Why? (/thread-2531.html)
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RE: GB difference Live vs Recovery = Why? - CDC9762 - 12-20-2025
Perhaps I'm mixing imaging programs but isn't a possible cause for differences in live vs non-live image file size being live uses VSS to collect what will be saved in the image file and non-live doesn't need to use VSS since the source drive is static?
How is a Bit-locked drive imaged without unlocking - wouldn't the basic filesystem be unavailable for the imaging program to determine which blocks are in-use?
RE: GB difference Live vs Recovery = Why? - admin - 12-21-2025
(12-19-2025, 08:14 AM)Epictetus Wrote:(03-15-2025, 11:54 AM)admin Wrote: in WinPE will be larger because BitLocker may not be unlocked in WinPE,
Thanks for the explanation.
Does this mean that a BitLocker encrypted C drive might or might not be unlocked as part of the process. That is, that sometimes it will be unlocked?
Yes, a BitLocker-encrypted drive may be locked in WinPE. Therefore, it will be backed up in a sector-by-sector mode unless you manually unlock it.
RE: GB difference Live vs Recovery = Why? - admin - 12-21-2025
(12-20-2025, 05:53 AM)CDC9762 Wrote: Perhaps I'm mixing imaging programs but isn't a possible cause for differences in live vs non-live image file size being live uses VSS to collect what will be saved in the image file and non-live doesn't need to use VSS since the source drive is static?
How is a Bit-locked drive imaged without unlocking - wouldn't the basic filesystem be unavailable for the imaging program to determine which blocks are in-use?
In Windows PE environments, VSS is not available. For BitLocker-encrypted drives that are not unlocked, backups must be performed using sector‑by‑sector mode, as the program cannot parse the file system under such conditions.