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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.

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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 someone which does not use Linux. I am thinking of…
CesarB
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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
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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 box? Is it just my installation that doesn't…
Mihai
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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
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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 if any. I tried renaming the volume in Windows 7,…
Matt Joiner
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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 over time, the blocks in the second half of an…
Matei David
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"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
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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 the outer end of the burned optical media,…
FarO
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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 tried: In Windows: format /fs:UDF D: now windows…
hoxnox
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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
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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 using). I have come up with this little script which…
nwaltham
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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 linux from UDF As long as it doesn't break things I…
sabgenton
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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 X, more details in this questions. However, in…
davr
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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 separate images as necessary. As such, I have…
Aprel
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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 use to force the writing of the files as a pure…
133794m3r
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