Questions tagged [exfat]

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Cloning an SD card onto a larger SD card - exFAT

I'm using Ubuntu 18.04, and attempting to clone the SD card (128G) from my Android phone to a larger one (256G) for more capacity, without losing the file structure referencing my phone apps use. I ...
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4 votes
3 answers
150 views

How can I check the cluster size (allocation unit size) of an exFat partition on Windows?

I want to reformat an exFAT USB drive with the same allocation size as the current factory exFAT partition, so when it ask me for allocation size, I don't know what to answer: Thus the question: How ...
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What features of journaling file systems are actually useful? [closed]

Not concerning about permissions, security, seamless usage with different OS. Journaling remains unclear. Do I need journaling (how exactly will it help)? If yes/no what is the threshold, when I ...
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1 vote
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Errors with tar/split backups

I am trying to create backups on an external exFAT disk, but I keep getting errors. I have to use FAT (exFAT or FAT32), so my options are very limited. I will need this to backup both macOS and ...
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7 votes
3 answers
1k views

What is the difference from exfat-fuse and exfat-nofuse?

Until now I have never dwelled on the word fuse but then I saw that there is nofuse. Based on searches I have done in the the internet they don't clearly explain the difference. What is the difference ...
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1 vote
0 answers
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Veracrypt exFat inside Kubernetes pod

I have a working solution to run this veracrypt command inside a pod: veracrypt --text --quick --non-interactive --create /media/vera --volume-type normal --size 200M --password 123456 --hash SHA-512 -...
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Why is the default allocation unit size smaller (2048 bytes) for exFAT than for NTFS (4096 bytes) when formatting a disk on Windows 7? [duplicate]

I see that the default allocation unit size is smaller for exFAT (2048 bytes) than for NTFS (4096 bytes) when formatting a disk on Windows 7 via Windows Explorer: Why is the default allocation unit ...
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1 answer
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Why is 1024 Cluster Size with blank drive being shown while querying WMIC for available drives?

I wanted to know cluster sizes for my flash drive (ExFAT), and I followed the useful answer here: https://superuser.com/a/1358598/602756 Here is output of cmd: wmic volume get driveletter,blocksize ...
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1 vote
1 answer
231 views

Timestamp changes when copying file to exFAT drive

I am using Windows 10 and i formatted my USB pen drive as exFAT. Then I copied a file with modification timestamp 22:57:46 to the pen drive and the it stays the same (the date doesn't matter). Then I ...
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Have to backup directories with symlinks to exfat - what to do?

The exFAT filesystem does not support symlinks. I'm now faced with the need to backup some directories, which do have symlinks, into an exFAT-formatted drive. For reasons, I cannot change the ...
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Timestamps of copies across different file systems

Doing some layman's IT administration, I came across an issue which I would like to track down. I frequently use Windows 10 to change files on a NAS (Western Digital MyBookLive) which (supposedly) ...
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1 answer
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Is exFAT a concern in 2021? [closed]

I am buying 2 TB external HDD. It will mostly be used on windows system but once in a while I might want to use it on a Mac. exFAT seems to be the best way to go about it but I came across a couple of ...
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USB exFAT stick is read only (after copying on a Mac) [duplicate]

The only cause I can imagine for a 234 GB Sandisk USB drive becoming read-only all of a sudden is the copying of many files from a Mac to this drive. I don't know if that is really the case or even ...
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ext4 vs EXFAT: Storage size difference

I have 2 hard drives, one is EXT4 and one is EXFAT. Both are 8TB, and both contain the same files. However, if I look at the amount of space being used in Gparted on Ubuntu, there is a big difference. ...
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resizing an exFAT partition on Windows 10 [duplicate]

I'm trying to shrink the main partition on my 2TB drive to 1TB, so that I can create a new one for installing a Linux distro. The Windows 10 disk manager doesn't let me shrink it, and I want to know ...
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1 vote
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ExFAT directory/file structure corrupt but readable on USB stick

I have a lot of files on a 128GB USB stick to transfer between computers. I've been updating the the stick regularly but manually. Last time I did this I was going to copy from the stick to my main PC ...
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Fix corrupted exFAT upcase table manually

I have recently encountered the error "upcase table is not found" on my SD card formatted with exFAT, after it worked just fine the previous day. No tool I tried on Windows or Linux could ...
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2 answers
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My backup HDD comes formatted with exFAT; should I reformat it?

I've gotten an HDD for backup purposes. I intend to backup various kinds of files from my desktop computer - nothing special to make assumptions about. Now, the HDD has been preformatted with an exFAT ...
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1 answer
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Why rsync found files who has vanished on exfat synology?

I try to transfer some files from an external hard drive in exfat to my synology Nas using rsync using the usb connection. During the transfert rsync found files who have vanished when it's time to ...
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FAT32 and exFAT, which file timestamps are supported?

is it true that the FAT32 only supports these file timestamps? Creation time (birth time) Modified time Change time Access time does not exist on FAT32. With exFAT all 4 timestamps are supported: ...
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1 vote
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Windows 10: How to deal with foldernames ending with space(s) that are allowed on Linux but cannot be used any further in Windows Explorer?

This is a follow up of Windows 10 trouble with as an allowed foldername ending on Linux. This happens when you paste a file into a folder that has a space ending, it simply doubles, and the previous ...
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0 votes
3 answers
368 views

How long does it take Windows 7 to scan and repair an exFAT external drive that was incorrectly unplugged on a Mac?

It's been over 24 hours now and there is no progress bar to know what is going on. Cancel is greyed out and I'm afraid that force quitting will damage the drive. Context: Plugged in an almost full 4 ...
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1 vote
0 answers
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macOS, exfat 3.5 hdd recognizes in one external enclosure, says not recognized and to initialize in other (no thanks), what could be the cause?

I have a single bay enclosure that I initialized an 8tb drive in as exfat in, then I got a 5 bay enclosure, when I stick it in the 5 bay it's not recognized and says to initialize. I put it back in ...
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2 answers
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Attempting mount exfat partition fails with mount(2) system call failed: Cannot allocate memory

I have an exfat formatted partition (/dev/sdc2) with some files on it I want to keep. Whenever I try to mount the partition I get a "Cannot allocate memory" error. Examples of commands I've ...
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1 answer
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Create an EXFAT partition on a NTFS external HD

Is it possible to create an exFAT partition on a NTFS external HD? I just wanna backup stuff from an old macbook, so I thought maybe I can just create a new exFAT partition instead of full ...
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3 votes
1 answer
8k views

Convert drive from exFAT to NTFS without losing contents (Workaround)

I have a 5TB external drive with about 200GB of data in it. I want to convert it from exFAT to NTFS but without losing its contents. Currently I have no way to backup the data on the drive, so I need ...
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Need to use chkdsk after every dismount of Seagate exfat drive in mac

Do not start virtual machine program to use external disk without ejecting disk first from mac (better to always do it). I get irritating problem and I can't find resolution to it. Can't I manually ...
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1 vote
1 answer
381 views

Fix cleared boot sector (and more) of exfat disk

I stupidly used dd if=/dev/zero of=/dev/sdb bs=512 intending to do /dev/sdc. I have a 1 terabyte USB drive on /dev/sdb. It is/was formated exfat. The two partitions are showing in /proc/partitions ...
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Format a USB disk on PURE FAT32, one partition only, on a Mac

There are other questions on SO about this, but not asking what I want. I do not want to know how to format an external FAT32 disk from terminal, because this can be done by typing this: sudo ...
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1 vote
0 answers
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Cannot move file from Ext4 to exFAT if title contains colon (:)

I have a 1TB SSD that I've partitioned in half into Ext4/exFAT. The Ext4 is for better interop with Ubuntu 18.04 (my OS) and the exFAT is for better portability with other systems. I installed exfat-...
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2 votes
0 answers
137 views

exFAT HDD, previously used with Ubuntu, missing files/directories after using with macOS

Hardware details: External HDD: Seagate BarraCuda Pro ST14000DM001 Docking Station: Unitek USB 3.0 to SATA I/II/III Dual Bay. I've used this before and after this incident with other drives, always ...
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Why is Windows reporting an empty NTFS partition, when files are written/viewable by Linux? - (happened with exFAT too !!!)

Ubuntu 18.04 LTS; Windows 10; Lenovo Ideapad i7. The exfat and NTFS drivers are at highest available upgrade (Ubuntu). Photorec and testdisk are being ran in Linux. Please note that this particular ...
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Why does an APK file size of 7.6 MB allocate 1.36 GB on an exFAT formatted external hard drive when reverse-engineered?

I have an apk file size of 7.6 MB. When I reverse-engineer this apk file through apktool, which is a reverse engineering tool for apk files, it allocates 1.36 GB on an exFAT formatted external hard ...
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Max size VHD on exFat-drive?

I have an exFat drive (LaCie Fuel) that is 2 TB. On this drive I try to create a 127 GB VHD using Computer Management in Windows 7 but it fails with an error "The requested operation could not be ...
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  • 552
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Windows 7 - is it possible to create a "system image" on a non-NTFS-drive (exFat)?

In Windows 7 - is it possible to create a "system image" on a non-NTFS-drive (exFat)? The drive is big enough and the file system supports big enough files.
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  • 552
1 vote
2 answers
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Why shouldn't I always format hard drives in ExFAT?

I'm in the process of formatting an external hard drive with the purpose of long storage of backups (photos and whatnot). Currently I use Mac OS, but I'm not sure I won't switch in the future. As far ...
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0 votes
0 answers
167 views

Kubuntu - Can't read picture from ExFat SD card, but can read it from Windows or when copied on external NTFS drive

I formatted my 64 GB SD card for my camera directly via the camera software. It formatted it in ExFat, and I have been able to view or copy pictures taken with the camera easily on Windows. But when ...
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2 votes
2 answers
637 views

iPhone Memory Stick Windows Formatting (populating!) Q

SUMMARY: Can format but not populate either a FAT32 or ExFAT 128GB USB memory stick. Copying in files fails when more than 32GB are copied. Can't use NTFS because this stick is designed to work with ...
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1 vote
1 answer
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chkdsk generates undeletable corrupt FILE0000.CHK files on exFAT drive

J:/FOUND.000/FILE0000.CHK is corrupt and not deleteable. C:\> del J:\FOUND.000\FILE0000.CHK J:\FOUND.000\FILE0000.CHK The file or directory is corrupted and unreadable. Running chkdsk /F J: ...
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0 answers
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Android: "Corrupted" MicroSD reads/writes fine in my laptop, but can't be formatted [duplicate]

I was moving some files to my Android phone's MicroSD, and suddenly the file system became read-only. I put the card into my Linux laptop and it mounted fine. I can read and write to it, no problem. ...
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0 answers
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Cannot format drive with different sector sizes

I'm trying multiple cluster sizes to optimize write performance of my pendrive (formatted in exFAT). I formatted succesfully to 8MiB cluster (just for test) and to 128KiB. But now, when I try to ...
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  • 671
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1 answer
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Home PC doesn't recognize exFAT formatted SD-Card but work PC does

I have a Micro-SD card formatted in my smartphone as exFAT. I can work with the card (read and write) on my work laptop (Windows 7 Pro) but my home PC (Windows 7 Home) does not recognize the card and ...
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0 votes
1 answer
2k views

Mac OS X - exFAT file modification time issue

I've encountered a weird issue with rsync (without -c, therefore involving rsync's "quick check" algorithm) copying already synchronized files over and over again to an exFAT formatted drive. The ...
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1 vote
1 answer
3k views

Which file system is better to be used on an external HDD? ExFAT or NTFS? [closed]

I have an older 500 GB external HDD which I want to format. Which FS is better if the HDD won't be used with anything else than Windows 10?
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0 votes
1 answer
582 views

A file's "space on disk" doesnt match the file's size

I just got a new larger external hard drive and transferred all the files from my old drive to the new one. When I was checking the used space to make sure everything transferred, I found that the ...
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  • 101
0 votes
2 answers
3k views

Best way to store games with a lot of files on HDD

I just installed Age of Mythology on my external hard drive and I notice, that quite a small game (2 GB) occupies almost 55 GB on disk. I know, it's due to big allocation unit size, but 1 MB is ...
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7 votes
2 answers
18k views

Check the cluster size of an exFAT drive on Windows

How do I check the cluster/allocation size of an exFAT drive on Windows?
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0 votes
0 answers
806 views

Recover exFat partition

I have been working on fixing my bootcamp partition, but in the process I make a big mistake. I ran 'bootrec /fixmbr' and bootrec /fixboot on the wrong disk. My data is now inaccessible, if not lost. ...
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0 votes
1 answer
958 views

Mount error: “unknown filesystem type 'exfat'”

I'm running Fedora 28 and when I try to mount this SD card, I get the following error: The last part of the error message translates to unknown filesystem type 'exfat' If I try to open it using ...
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6 votes
1 answer
3k views

What filesystem can I use for a large amount of small-sized data?

I was copying ~3.7TB of data from one 4TB external drive with HFS+ filesystem, to another 4TB external drive with an exFAT filesystem. The new HDD got filled after only ~75% of the data could be ...
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