Questions tagged [udf]

Universal Disk Format (UDF) is a file system for computer data storage.

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UDF / VBA Problems

I have been trying to use this line of code to bring out a currency however it also bring $[ at the front. Is there anyway I can stop this from happening? Dim s As String s = Replace(r....
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How to mount HD with ISO UDF volume in Windows

Under Linux I can create an ISO image with UDF filesystem, using K3b for instance. Then I can copy such ISO image to the hard disk, using dd command for instance. Connecting such preapared hard disk ...
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Excel massive issue with UDF values, returning #VALUE, not storing calculated values

since I updated my Excel sheets with UDFs I have massive problems. I wanted to change my formulas only in one place (that is the UDF), instead of every columns containing the same formula of my sheets ...
Patrick's user avatar
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UDF formatting a BD-RE under Linux - media type "bdr" unknown?

This is on Ubuntu 20.04.1, Pioneer BDR-XS07, 50 GB BD-RE (multiple discs from different vendors tested). Formatting the disc with UDF version 2.50 works: $ sudo mkudffs --utf8 --blocksize=2048 --...
Christian's user avatar
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Extract udf (latest version) blu-ray iso?

How can I extract udf blu-ray iso with fast speed? It seems like rar and 7z can't read the file format. I know that you can mount it and then copy the files, but it's terribly slow for me (10MB/s on a ...
Joy Jin's user avatar
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Using udfutils to create a data BD-R image on Linux

I'm attempting to script burning data Blu-ray media for a large collection of files. I want to generate image files on one server to be burned onto BD-R DL (50GB) media at a later point on another ...
Peter B's user avatar
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Excel Function returning array

I want a UDF that accepts a parameter and returns an array. Here is my function: Function UnitSales(ToAdd As Long) As Long() UnitSales = Array(1 + ToAdd, 2 + ToAdd, 3 + ToAdd) End Function I ...
Peter's user avatar
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What are the differences between Multi-Session and UDF?

For writing to discs multiple times you have two options: Multi-Session (Nero: ☑Allow files to be added later) UDF (Windows 7 and later: Live File System) What are the differences, Pros and Cons?
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USB UDF is there a way to format to Fat32

I found a old USB that has two partitions. One is Fat32 and the other CD Drive UDF. I can't seem to find a way online on how to delete a UDF partition. So maybe here I can find a possible solution? ...
Inty's user avatar
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Windows sees UDF partition as read-only and 100% full after writing to it in Linux

I formatted a partition on an external HDD as UDF, to be able to use it in both Arch Linux and Windows 7 without everything getting executable as it does with NTFS. I can read from, and write to the ...
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rescue data of scrachted bluray/dvd with broken toc/index

My goal is to rescue data from a scratched/broken Blu-ray (probably similar to DVD) I used Linux with ddrescue and recovered 98% of the blocks during its first run: ddrescue -n -b2048 /dev/sr1 ...
eactor's user avatar
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excel UDF resulting in hyperlink as text

All of the UDFs to display hyperlinks (that I have seen) only work where the hyperlink is a URL but they do not work where the hyperlink is another cell in the same workbook. Can anyone help me find a ...
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ISO file (CDFS) with dramatic overload (~500%)

A few years ago I started archiving my old PC games so I can get rid of the actual physical CDs. A few days ago I wanted to play one of those old games, copied CD content to HDD so I don't have to ...
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How to edit bootable UDF iso file on Linux

I'm looking for a way to edit an UDF bootable iso file on Linux so has to keep it bootable. Can you help ?
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my dvd has shown as raw format but used some spaces

my friend has a DVD contains some larg images,but windows doesn't show any thing inside. windows disk partition utility tells its format type is RAW. in MyComputer , everything is fine, it means that ...
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Unable to mount UDF filesystem created with mkudffs inside a luks volume

I'm trying to create encrypted blu-ray backup. I've created and burned the image using the following crude script: imgsize=23000M imgfile=~/backup.img imgloop=`sudo losetup -f` truncate -s $imgsize $...
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Calculating expected overhead in UDF filesystem

I'm working on a backup-to-optical-media program that traverses a file tree and adds files to UDF images (mkisofs is the backend) to burn to optical discs, splitting large files into chunks across ...
Aprel's user avatar
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UDF Partition is readonly and has no size in windows but Read/Write in Linux

I am having the following issue. I have an UDF partition for interoperability between Linux and windows on a dual boot system (having some VM hard disks images there). All was okay, I could read from ...
Wilko van der Veen's user avatar
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How to mount a UDF file as a volume in Win 7, 8, or 10? [closed]

I have a 2GB file from a vendor that I downloaded. There's no built-in support in Windows to mount the file as a virtual disk. I have tried several tools but none support this file format: Alcohol ...
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Getting a Windows image onto a flash drive to boot from using an old BIOS

I've got an old laptop (Thinkpad T60, 32 bit, 7 years old) running Linux Mint, on which I'd like to install Windows as well. However, I can't get it to boot from the flash drive containing the Windows ...
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Writing blu-ray disc under linux with UDF only

As I had said in the top, I cannot find it in k3b or other such options it seems to be iso9660 along with UDF instead of pure UDF as is required by the BD spec. So I need to know the best program to ...
133794m3r's user avatar
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Clone USB flash drive containing UDF and Fat32 paritions

Recently I was asked to clone USB flash drive (4GB). This drive contains two paritions: first is UDF (1.3GB) - which Windows 7 sees as CD-ROM drive, and the second is Fat32(2.7GB) - which looks and ...
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How to place specific files on beginning/end of burned optical media

I am burning some DVDs and BDs with important data and, in addition to replication, I am adding parity data using PAR2 tools. However, as additional safety, I would like to place the parity files on ...
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UDF formatted hard disk reported full on windows 8.1 after having been modified on Debian

I bought a new usb hard drive for backing up some data, i decided to format it to UDF since it suits my needs and it's a fully open standard. I formatted it on windows 8.1, using UDF 2.01 for best ...
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How to use DVD+RW (UDF) both in windows and linux?

I have dvd+rw disk. I would like to create UDF file system on it to use with windows 7 (and newer) and gentoo both. How must I prepare media and what commands should use to mount it in linux? What I ...
hoxnox's user avatar
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How to get Ubuntu 12.04 to recognize the UDF filesystem?

I'm just trying a watch a commercially bought DVD on my laptop, but Ubuntu 12.04 won't recognise UDF: $ sudo mount -t udf /dev/cdrom /media/cdrom mount: unknown filesystem type 'udf' I got the ...
RTF's user avatar
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How to format a flash drive as UDF in Windows 7?

Looks like the integrated format dialog doesn't offer a UDF option; however, Googling tells me that Win7 can both read and write UDF flash drives, so surely it must be able to format them out of the ...
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Writing to a UDF WORM SD card in Linux

I'm looking into getting some Sandisk 1GB WORM SD cards for archiving things. I assume they appear to the OS as a block device (they're SD, after all). I noticed that mkudffs supports a worm media ...
David Ehrmann's user avatar
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Format USB drive to NTFS/FAT from UDF

I formatted a USB drive UDF to boot an ISO image and now I can't find a way to get it back to being in NTFS/FAT or another usable format. Do I need a 3rd party tool?
Jason's user avatar
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reorder sectors on a block device?

I'm considering backing up some data to DVDs/BDs. (I know about DVDisaster.) I've read somewhere that the outer sectors on a DVD are more likely to wear down than the inner ones. This suggests that ...
Matei David's user avatar
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3 answers
13k views

How to format an external hard drive as UDF on a Mac

I have an external USB hard drive that I'd like to format to UDF for cross-compatibility with Windows and Macs. I tried exFAT, but for whatever reason, because of the block size (56KB) of the format, ...
Nick Klauer's user avatar
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format external hdd with udf not working on mac os x lion

I formatted my 1tb external drive with the following command: mkudffs --media-type=hd --blocksize=512 /dev/sdb It works on linux but when i plug it in a mac (os x lion 10.7) it tells me The disk ...
andrés's user avatar
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1 answer
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Windows 7 is not recognizing the UDF filesystem of a CD

I have a UDF CD that I recently received, but I cannot use it. The disc reads fine, but when I open it, I see a single README.txt, that tells me the disk is UDF-formatted, and I need a computer that ...
neersighted's user avatar
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Format CD-rom on Windows 7 that Windows 95 can read

I pulled out my ancient Pentium 100Mhz running Windows 95 to play a game from 1996. This game has a critical bug in it that requires a patch. The problem is, the computer has no way to connect to ...
Joe M's user avatar
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2 answers
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OS X Lion thinks Windows UDF-formatted external drive as exFAT and tells that the drive is invalid

I've recently bought a Mac, and I want to share my Seagate FreeAgent 1.5 TB external hard drive with both my Mac and my PC. I've searched and found that exFAT or UDF is the way to go to have read/...
Can Poyrazoğlu's user avatar
17 votes
4 answers
4k views

In UDF, what's the difference between a volume identifier, volume set identifier, logical volume identifier, and file set identifier?

I see that mkudffs has options for four different identifiers: the logical volume (--lvid), the volume (--vid), the volume set (--vsid), and the file set identifier (--fsid). It, however, gives no ...
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How can I reliably archive the content of UDF formatted CDs and DVDs

I have been looking into copying the contents of old CDs onto mobile disks in order to save space and preserve the content, since rewritable CDs appear to degrade over time (at least the ones I am ...
nwaltham's user avatar
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UDF filesystem -> Maximum number of files

I am considering partitioning a rather large hard drive with the UDF filesystem for an experiment, and would like to ask if anyone knows the maximum number of files, either by directory, or as a whole,...
user978122's user avatar
4 votes
1 answer
2k views

"Correct" way of UDF formatting a USB drive

I managed to UDF format my USB drive following the instructions in Using UDF on a USB flash drive. Later, I came by this post and I began to doubt... Could anyone explain which would be the "best" ...
mpr's user avatar
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Is UDF an ok substitute for ext3?

I'm thinking of doing the UDF thing to share files between windows and linux. Is UDF a viable option for /home Is UDF a viable option for / Can windows XP correctly read sparse files I created in ...
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Vista: Making Mastered the default burning setting

I'm currently backing off a ton of data onto DVDs, but I've already lost one DVD because I forgot to select the hidden option of "Mastered" before I pressed "next". Is there a way to make this the ...
Django Reinhardt's user avatar
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Software to view metadata of an ISO file?

I have been searching for the list of metadata field of an ISO file on Google but couldn't find anything. That made me think that there isn't any metadata in an ISO file, just the files content and ...
netvope's user avatar
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2 votes
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How to format DVD-RAM?

I have few DVD-RAM disks and when using udftools, specifically sudo mkudffs --media-type=dvdram /dev/sr0 where /dev/sr0 is my DVD-RAM drive, I get trying to change type of multiple extents and ...
AndrejaKo's user avatar
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Driver for writing to UDF partitions from Windows XP?

I'm considering using an UDF partition to share data between Windows XP, 7, and Linux. It's more efficient than FAT32, and avoids the 4GB max file size limit. I've found it will also work with Mac OS ...
davr's user avatar
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5 answers
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Format UDF hard drive as NTFS in Windows 7

I have a MyBook hard drive that someone gave to me to format to NTFS. Right now it's UDF and windows treats it like a CD-ROM. I can't seem to figure out how to format it to be NTFS.
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UDF Reader for CDs on Vista 32

I'm looking for some software to read some old(> 5 years) CD-RWs I wrote. Unfortunately, they were written in UDF format, and my Windows Vista machine does not accept the UDF reader software written ...
Paul Nathan's user avatar
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4 votes
3 answers
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Change UDF volume label

After creating a UDF volume on my 1TB external hard disk. I noticed I hadn't set the volume label. How can I change this? I currently have udftools in Ubuntu but can't determine the correct command ...
Matt Joiner's user avatar
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Problems With Mounting UDF DVDs In Ubuntu

When I'm trying to read DVDs (burned in Vista) in my Ubuntu Jaunty, it throws an alert Invalid mount option when attempting to mount the volume 'UDF Volume'. I've installed packages libudf0 and ...
Mushegh A.'s user avatar
3 votes
3 answers
4k views

how to read/recover a udf partition

I need to recover the files inside a UDF partition on my vcr external disk. Which program can I use in (preferably) Windows or Linux os?
Toc's user avatar
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78 votes
7 answers
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Using UDF on a USB flash drive

After failing to copy a file bigger than 4G to my 8G USB flash drive, I formatted it as ext3. While this is working fine for me so far, it will cause problems if I want to use it to copy files to ...
CesarB's user avatar
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