On 15/05/14 21:31, Jaime T wrote: > Hi. > > I'm trying out my 1TB Toshiba MQ01ABD100 SATA hard disk in three > different sata-usb enclosures. I'm testing the size of the drive by > viewing both /sys/block/sdb/size and by using "hdparm -I", and I see > different figures for the size. Here are the results: > > 1st enclosure (USB ID 14cd:6116): > /sys/block/sdb/size: 1953525166 > hdparm -I /dev/sdb | grep LBA48: 1953525168 > > 2nd enclosure (USB ID 152d:2509): > /sys/block/sdb/size: 1953524995 > hdparm -I /dev/sdb | grep LBA48: 1953525168 > > 3rd enclosure (USB ID 152d:2339): > /sys/block/sdb/size: 1953525168 > hdparm -I /dev/sdb | grep LBA48: no data (error msg about bad sense data) > > Given that this is only one drive (which I _think_ has 1953525168 > sectors), are any of these results "bugs"? Also, are there any > (negative) consequences of the kernel getting the drive size wrong?
That I don't know. But more importantly - try the 3rd enclosure in a port on another USB controller if it doesn't have an external power supply - that "bad sense data" message often indicates insufficient power available to the device. > (i.e. could this lead to loss of data?) Again, one of the many things I don't know. > > Many thanks, Jaime > > Kind regards -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/5374a7b2.1010...@gmail.com