Request for support BIG USB drives (>32GB) and NTFS as a file system


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w0w
w0w
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By default Macrium can not override 32GB limit for flashdrives, horewer it is absolutely possible with third party utilities, like RUFUS
It would be good to implement new features into Macrium, for example user can select UEFI only GPT mode for USB boot or MBR/uefi compatible, and NTFS/FAT32 selection. Currently I am using USB pendrive 128GB formatted to NTFS, GPT and it succefully boots in clean UEFI mode and in CSM nabled.

Willem Overbeeke
Willem Overbeeke
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Do you want to use a big USB flash as a rescue medium or as a backup drive?

The latter is possible without any problem, and you can format it with NTFS or any other file system.

The former depends on the UEFI/BIOS of your computer. Some machines only support FAT32 devices as bootable. Moreover, the Reflect Rescue media occupy about 1 MB, so why go for a large flash. My only advice is to avoid SANDISK for this purpose, as some of their sticks are hardwired as fixed disks.





Willem
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john.p
john.p
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Hi,

We are aware of the limitations regarding large usb memory sticks.

Please read my post in the thread below for some background on booting EFI booting USB devices NTFS.
http://forum.macrium.com/Topic4740.aspx

The executive summary is that if your motherboard EFI firmware does support NTFS, then just uncheck the "Enable MBR/UEFI multiboot USB support" option, when creating rescue media on usb flash media already formatted NTFS.

We are considering a more general solution to this issue.

Kind Regards

John

Macrium Development

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w0w
w0w
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AgedAndUgly - 19 November 2015 9:09 AM
Do you want to use a big USB flash as a rescue medium or as a backup drive?

The latter is possible without any problem, and you can format it with NTFS or any other file system.

The former depends on the UEFI/BIOS of your computer. Some machines only support FAT32 devices as bootable. Moreover, the Reflect Rescue media occupy about 1 MB, so why go for a large flash. My only advice is to avoid SANDISK for this purpose, as some of their sticks are hardwired as fixed disks.




I already use it for both functions, as rescue and backup drive. I have no problems booting in clean UEFI mode, so Yes, my 4 years old hardware supports GPT and booting from NTFS.
The problem is UNclearly described in first post. USB flash size is 128GB, not MB. Macrium formats it with FAT32. If you read something about FAT32, so you will know that it limited in partition/drive size, the limit is 32GB. So more then 100GB is just wasted or unused. Yes you can format it into fat32 with non-standart third party utilities and it will work flawlessly in mostly all PC produced during last 10 years in windows environment. Why macrium can't be such third party utility?
"Moreover, the Reflect Rescue media occupy about 1 MB"
Wrong. It uses 242MB at least with WinPE 10.


Edited 19 November 2015 11:45 AM by w0w
w0w
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john.p - 19 November 2015 9:12 AM
Hi,

We are aware of the limitations regarding large usb memory sticks.

Please read my post in the thread below for some background on booting EFI booting USB devices NTFS.
http://forum.macrium.com/Topic4740.aspx

The executive summary is that if your motherboard EFI firmware does support NTFS, then just uncheck the "Enable MBR/UEFI multiboot USB support" option, when creating rescue media on usb flash media already formatted NTFS.

We are considering a more general solution to this issue.

Thanks. I'll give it a try

Edited 19 November 2015 11:46 AM by w0w
w0w
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No. It's not working. To boot into clean UEFI mode you should use GPT partitioning, however Macrium do not support it currently when rescue media is created.
I got

"Not A Supported Disk Type (Error Code 3)

The disk selected for USB rescue media is using the GPT scheme for partitioning, this is not currently supported by Macrium Reflect. Please use a USB device that uses the MBR partitioning scheme or re-initialise your device."
and... you can not boot in clean UEFI mode with MBR disk just formatted with NTFS.

Hm, I have checked what RUFUS doing with my drive and this is MBR formatted disk but with two partitions on it, one is NTFS and second is FAT12 (512KB in size). I think this solution would not be good for most macrium customers due possible issues with hardware or whatever else. But at least macrium can support LARGE FAT32 formatting to push 32GB limit over, I think it should not harm anything.


Edited 19 November 2015 7:33 PM by w0w
john.p
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Hi,

The "Not supported disk type" error code explanation is correct. Counter intuitively, most UEFI firmware will only boot off MBR partitioned USB media. Therefore, for compatibility reasons, we don't support GPT partitioned USB sticks.

The RUFUS solution is an option. However, as Windows will never acknowledge the existence of the 2nd partition, it is a less 'transparent' solution for Windows uses. We will consider it for a future release. Only the efi binaries and not the large wim file, need to reside on the FAT partition, this partition can be tiny.

I hope this helps. 



 


Kind Regards

John

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