Hi Dragoran, On Mon, 2005-08-08 at 09:25, dragoran wrote: > Leonard den Ottolander wrote: > >I noticed hdparm doesn't work well on external USB drives. Try a hdparm > >-I /dev/sda and see it fail with a "HDIO_DRIVE_CMD(identify) failed: > >Invalid argument". (I notice this on both a 2.4 and 2.6 kernel and with > >hdparm-6.1.) > > > >My question is whether this is a shortcoming in the usb-storage driver, > >or because of some shortcoming in the firmware of the external drive > >(case). Or is it because the usb-storage driver uses emulated SCSI and > >this is why these commands fail? > hdparm -I only works on IDE devices on my sata drive it does not work > (/dev/sda1) but on the IDE drive (/dev/hda) it does. So I assume it's the SCSI layer that is dropping these commands. Is there a way to work around this by patching hdparm or do I have to hack the kernel SCSI (emulation) layer to be able to send these commands? Leonard. -- mount -t life -o ro /dev/dna /genetic/research -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/fedora-devel-list
