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Windows has trouble recognizing UDF block devices
UPDATE 2015-Feb-20: Issue #7 has been closed with format-udf 1.1.0. This wiki page is likely now OBE with the new fake MBR feature in format-udf.
This page is meant to be a place to collect data points for format-udf Issue #7. By aggregating data over time, it may be possible to isolate (or at least narrow) the scope of the issue.
Please fill in the below table with your own data. Please follow the examples below, and be as complete and accurate as possible.
| User1 | Version of format-udf2 | Version of udftools/newfs_udf3 | OS used to run format-udf4 | Type of block device5 | Manufacturer, model | Total size (bytes)6 | Heads6 | Sectors/track6 | Cylinders6 | Sectors6 | Logical sector size6 | Physical sector size6 | Minimum I/O size6 | Optimal I/O size6 | Result in Windows |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JElchison | 1.0.0, 1.0.3 | udftools 1.0.0b3-14.2ubuntu1 | Ubuntu 14.04.1 LTS | Flash drive | Patriot XPorter XT | 4003463168 | 124 | 62 | 1017 | 7819264 | 512 | 512 | 512 | 512 | Success |
| JElchison | 1.0.3 | udftools 1.0.0b3-14.2ubuntu1 | Ubuntu 14.04.1 LTS | HDD | Seagate Expansion Desktop | 2000398929920 | 255 | 63 | 30400 | 488378645 | 4096 | 4096 | 4096 | 4096 | Failure |
| JElchison | 1.0.3 | udftools 1.0.0b3-14.2ubuntu1; newfs_udf | Ubuntu 14.04.1 LTS; OS X 10.10.1 | HDD | Seagate Backup Plus | 2000398933504 | 255 | 63 | 243201 | 3907029167 | 512 | 512 | 512 | 512 | Failure |
| JElchison | 1.0.3 | udftools 1.0.0b3-14.3 | Ubuntu 14.10 | HDD | MaxtorOneTouch III Mini | 60011642880 | Not reported by fdisk | Not reported by fdisk | Not reported by fdisk | 117210240 | 512 | 512 | 512 | 512 | Failure |
| JElchison | 1.0.3 | udftools 1.0.0b3-14.2ubuntu1 | Ubuntu 14.04.1 LTS | Flash drive | SanDisk Cruzer Micro | 2000682496 | 62 | 62 | 1016 | 3907583 | 512 | 512 | 512 | 512 | Success |
| BenKennish | 1.0.3 | udftools 1.0.0b3 | CentOS 7.0 | Flash drive | SanDisk Cruzer Edge | 64GB | ? | ? | ? | ? | 512 | 512 | 512 | 512 | Failure |
| 1 Your GitHub username. Feel free to link. |
2 Please only report results on this page that use the format-udf.sh tool.
3 On Debian-based OSes, this can be found with dpkg-query -l | grep udftools
4 On Debian-based OSes, this can be found with lsb_release -d -s
5 This will be either "Flash drive", "HDD", or "SSD"
6 On Debian-based OSes, this can be found with fdisk -l /dev/???
Currently, it looks as if it appears that Windows somehow differentiates block devices according to whether they're a Flash drive or HDD. I fear that this is an issue with Windows itself.
As a side note, using Windows to format as UDF means that the HDD is unreadable on OS X.