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Solved Replacing USB (Contains Entware) - Safest & Most Efficient Way?

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Maybe I’m missing something here but if all you need is to clone your USB drive, and you are ‘fluent in Windows’, what is stopping folks just cloning the USB drive in Windows?

Doing a quick google search suggests there are Freeware programs out there for doing this and they handle ext4. Is there something that would prevent this achieving what I understood the OP asked about?

example (no affiliation whatsoever) https://en.taiwebs.com/windows/download-usb-drive-clone-pro-7160.html

There are even Programs that clone USB to SSD, whether they support ext4, I am not sure.
Those Windows programs aren't that mainstream, so just getting them to work properly maybe a bit of a challenge. Also, you still need to format to ext4 on router itself given that it's finicky about different ext4 options.

It just can take long to debug the Windows option - but if that works, more power to the operator!
 
In most cases you don't want to clone (i.e. make a bit for bit copy) one drive to another because they have different capacities. If that were the case you could use dd or many other methods. Recreating the filesystem and copying the files allows you to optimise, or even change, the filesystem layout. It also avoids the problem of copying over a corrupted filesystem.
Thanks Colin, ok, fair enough, if that’s what you want to do; I understood the request to be a simple backup prior to failure, not as a result of it, so a clone made sense.
But like you said, there are plenty of other ways of doing that but in my experience the only way to guarantee compatibility with the router is to make the filesystem using the router's own commands. You can then copy the files using any method you like, either on the router or on a PC. I've tried various Windows tools in the past and in the majority of cases they had one problem or another (especially with ext4), but YMMV.
OK, that also makes sense, although if a clone works (and I have not personally tried it) surely it has to be the easiest way, for primarily Windows users. IIRC I formatted my ext4 USB, on which I run Diversion Lite (only) in Windows, but it’s a few years back now so I cannot recall what I used. Possibly Minitool Partition Wizard; Paragon Partition Manager is another option, both freeware.
For the purposes of these forums we can't assume the user has access to a PC running Windows, Linux, macOS, etc. and an appropriate utility.
He did say he was Windows fluent, hence my suggestion.
If you can recommend some Windows utilities that have worked for you then that would be helpful. Not everyone is comfortable using a fairly clunky command line method.
See above; and I agree, given this is likely a one off exercise, if folks are not comfortable with command line or router-issued commands, then an alternative option in an OS they are more comfortable with may be all they need, in this instance.

k.
 
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Those Windows programs aren't that mainstream, so just getting them to work properly maybe a bit of a challenge.
Personally, I would say Mini Tool Partition Manager is reasonably mainstream.
Also, you still need to format to ext4 on router itself given that it's finicky about different ext4 options.
ok, got me there, this would be a good reason to use the Router.
It just can take long to debug the Windows option - but if that works, more power to the operator!
True … but at least you’re able to navigate and do not have to learn how to use SSH, Putty, permissions, etc (all which I am reasonably comfortable with after using for quite a number of years now, but it can be daunting).

I am guessing though that the bigger picture here is if they have a formatted ext4 drive with scripts on it, they already know what they are doing ;-)
 
Thanks Colin, ok, fair enough, if that’s what you want to do; I understood the request to be a simple backup prior to failure, not as a result of it, so a clone made sense.
Yeah, in the OP's case he was wanting to copy the contents of a 16GB drive to a replacement 32GB drive. Most of the Windows utilities I've seen will clone partitions but can't resize ext4.
 

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