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Questions tagged [udf]

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

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

52 questions
80
votes
7 answers

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 someone which does not use Linux. I am thinking of…
CesarB
  • 4,670
17
votes
4 answers

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 guidance to what those mean. So, I went to the UDF…
derobert
  • 4,572
10
votes
1 answer

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 box? Is it just my installation that doesn't…
Mihai
  • 938
5
votes
3 answers

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, it's eaten up a huge portion of the disk space…
Nick Klauer
  • 597
4
votes
3 answers

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 if any. I tried renaming the volume in Windows 7,…
Matt Joiner
  • 1,102
4
votes
1 answer

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 over time, the blocks in the second half of an…
Matei David
  • 675
4
votes
1 answer

"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" way of UDF formatting a USB drive taking into…
mpr
  • 149
4
votes
1 answer

Formatting a BD-R as UDF and storing newer versions of files

I have been looking into making backups of personal files that can be put in a closet and forgotten about for years without worrying about disk failure or bit rot, and it seems that HTL BD-R's are the way to go. I have a folder that contains files…
9a3eedi
  • 508
3
votes
2 answers

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 the outer end of the burned optical media,…
FarO
  • 1,968
3
votes
1 answer

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 tried: In Windows: format /fs:UDF D: now windows…
hoxnox
  • 31
3
votes
3 answers

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
  • 1,821
3
votes
3 answers

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 using). I have come up with this little script which…
nwaltham
  • 882
3
votes
1 answer

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 linux from UDF As long as it doesn't break things I…
sabgenton
  • 684
3
votes
3 answers

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 X, more details in this questions. However, in…
davr
  • 5,588
3
votes
0 answers

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 ?
SebMa
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