Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> writes: > On 08/06/2014 03:55 PM, Wolfgang S. Rupprecht wrote: >> Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> writes: >>> On 08/06/2014 09:58 AM, Wolfgang S. Rupprecht wrote: >>>> Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> writes: >>>>> I suspect that although they are marketed as 16GB, they vary due to >>>>> manufacturing quality by a block or so. >>>> The other thing to consider if it is a bargain bin drive is that the >>>> drive might be a counterfeit with mismarked capacity. >>>> http://www.ebay.com/gds/All-About-Fake-Flash-Drives-2013-/10000000177553258/g.html >>> These are not sold under any name. They are 'blank' packaged. >>> >>> So I figured that whatever that whatever is 'wrong' with them in >>> perhaps malware, would get blown away by Linux. I once DID buy a usb >>> drive from an online store that had a hidden partition with some >>> strange looking stuff.... >> The above URL uses counterfeit to mean drives are sold as large capacity >> drives that really don't have large flash chips inside. The upstream >> sellers buy small drives and reprogram the controllers to advertise a >> larger size that the drive really can't deliver. > > Well these are marketed as 16Gb. parted is showing one to be 15.6Gb. > And I have put over 8Gb on a couple of them. I think if MicroCenter > was seriously mismarketing them, their customers would be complaining > in droves. Being off by .4Gb would not be noticed and as in my cases > tossed off as low quality that needed to mark parts of it as not to be > used and thus the smaller size. > > # parted /dev/sdb print > Model: Generic- Multi-Card (scsi) > Disk /dev/sdb: 15.6GB > Sector size (logical/physical): 512B/512B > Partition Table: msdos > Disk Flags: > > Number Start End Size Type File system Flags > 1 1000kB 513MB 512MB primary ext3 > 2 513MB 1025MB 512MB primary linux-swap(v1) > 3 1025MB 15.6GB 14.5GB primary ext4 You do realize that whatever parted is showing is whatever the USB's controller is telling it? If you have having problems writing the full drive's worth of information (as your previous message indicated) my first sanity check would be to write the full *raw* drive with unique data and see if the expected data was still there on read. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org