Comment 6 for bug 909806

I have the same problem in Ubuntu 13.04. Running sudo rescan-scsi-bus makes me use the drive. Also in ubuntu 12.04 sometimes I noticed this problem, but in Ubuntu 13.04 this problem is present all the time. I also noticed that connecting it while using Win 7 and then reboot to ubuntu leaves the drive recognized, and after then unplugging/plugging the drive works...
I was writing this comment after I installed scsitools, run rescan-scsi-bus, saw that the drive was recognized, mounted and umounted it, let it go in powersave mode, when suddenly the drive waked up on his own. It never did something like this. Maybe cause of scsitools?