On Fri, 03 Dec 2010 10:06:58 +0100, Hans Petter Selasky wrote: > On Friday 03 December 2010 02:37:43 Marcin Wisnicki wrote: >> On Fri, 26 Nov 2010 08:17:47 +0100, Hans Petter Selasky wrote: >> > I think that the USB part of your USB disk has died or there has been >> > a firmware crash. Other OS'es will perform a complete device reset in >> > this situation and sometimes that help, but still that is hiding a >> > problem about the device. We don't do that on FreeBSD, and that might >> > be the reason it does not recover. >> >> Then print a warning. A lot of self-powered 2.5 disks I've used had the >> same problem. >> >> Also, would it be possible to somehow keep the kernel device if >> physical device reappears within few seconds (with i/o temporarily >> frozen) such that existing mount points keep working ? > > Hi, > > It would require some patching. It is not impossible to do, but I think > that it should not be required. If a disk drive does not work properly > with FreeBSD then you should be careful using it to store your data. It > might be that the vendor of your USB HDD has only tested using one OS. > It might be that OS is not FreeBSD.
I'm willing to bet that no vendor does testing with FreeBSD ;) > > Please try to get support from your USB HDD manufacturer. I'm pretty > sure that it is not a problem with FreeBSD USB or FreeBSD CAM layer. Indeed, it happens in any OS. But Windows handles it gracefully, would be nice if FreeBSD did too. > > I've been using a USB HDD enclosure for the last couple of years now > without any problems at all, even though the USB connector is starting > to get broken. > Unfortunately it is impossible to know it before buying. Typical consumer does not use external hdd for more than couple of hours at a time so there are no reviews or complaints about it. You won't get your money returned either if it's just "sometimes a ding-dong sound is played if drive is used for more than 20 hours" which is all that happens in Windows. _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"