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#16
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Clonezilla ( What exactly is copied when cloning?)
I forgot to mention the way I back up and restore is partitions and
images. For an example, back up my Windows' C drive to an image. Verify the image is still good with its tester. And then restore that image back to C: when needed. That's all I do. I do anything else fancy. Clonezilla confused me on how to do that like in TUI & GUI programs. They even show MS' volume labels (e.g., C: is labelled C-64W7hpe) to make things easier. Ant wrote: Speaking of Clonezilla, is it me or is it hard to use as a newbie? I can handle Ghost (since early 2002), TruImage, O&O DiskImage, and Reflect with their bootable discs. Clonezilla is so technical and confusing! Shadow wrote: On Fri, 07 Dec 2018 17:27:09 -0600, swalker wrote: I think it depends on the software and the settings. Clonezilla (by default) only copies referenced clusters, so the clone image is much smaller than the original partition. (it goes on to compress the image, but that is not what you want to know). AOMEI gives you a choice, copy bit by bit or only files. DD (Linux) copies every single byte, so is more suitable for forensics. IOW, the copy will have every file fragment of the original, which can be recovered for malware research. If you are just making a backup, go with Clonezilla or AOMEI. I'm sure Paul will step in with a more correct description. And descriptions of what Macrium, Acronis and Ghost do (I've never used them) []'s -- Quote of the Week: "When the water rises the fish eat the ants, when the water falls the ants eat the fish." --Thai Proverb Note: A fixed width font (Courier, Monospace, etc.) is required to see this signature correctly. /\___/\ Ant(Dude) @ http://aqfl.net & http://antfarm.home.dhs.org / / /\ /\ \ http://antfarm.ma.cx. Please nuke ANT if replying by e-mail. | |o o| | \ _ / ( ) |
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#17
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Clonezilla ( What exactly is copied when cloning?)
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#18
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What exactly is copied when cloning?
On Sat, 08 Dec 2018 12:39:58 -0500, Paul
wrote: swalker wrote: As to the original question, I still don't know for sure what Acronis does. Time to move on. Not that I didn't learn something, just not what I expected and that is OK. Thanks to all for the responses. With either of the two disks as the boot device, try cmd # open an administrator command prompt window diskpart list disk select disk 1 # salt to taste detail disk # look for DiskID exit Compare the two DiskIDs and see that they're different. That would be an example, of the "not-exact" nature of a good clone. If the DiskID is different, and the drive still boots, it means the BCD file on each drive is now subtly different. And that's a good thing, as these changes are intended to allow the two disks to be inside the computer at the same time, without causing problems (offline disk in Disk Management). Seeing a different DiskID is proof of good workmanship. You can do bcdedit and see that the dump on the two different disks, is also different (modified). The long-string-identifiers in there will be different. Paul Thanks Paul, the next time I do a clone I will check that. That would be an example, of the "not-exact" nature of a good clone. If the DiskID is different, and the drive still boots, it means the BCD file on each drive is now subtly different. About the snip above. I am using Acronis and have for years through various editions. Because I have spare bays I used them for the cloning operation for years with no problem. In late 2016 or 2017 Acronis made some type of change and the clone would no longer boot as Acronis had changed the drive letter to something like CD). That may not be exact but is close. The obvious answer was to change the drive letter but I could not because the system doesn't allow 2 exact C drives even if one was CD). So I booted from BIOS and then was able to change the drive letter. All that to say this; maybe the BCD file each drive was exactly the same. Thanks. |
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