Greg Freemyer schrieb: > On Dec 17, 2007 5:53 AM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > >> On Sat, 15 Dec 2007 21:10:47 +0100 Zsolt Barat <zsolt@xxxxxxxxxxxxxxxx> wrote: >> >> >>> Zsolt Barat schrieb: >>> >>>> hi list, >>>> >> Let's cc the IDE development list. >> >> >>>> i just bought a "MyBook" called external HD with a fixed enclosure, from >>>> WD. Connected to the SATA port i constantly get "ATA bus error" messages >>>> in the kernel log. Is this a known issue? >>>> >>>> > > As an FYI: I've had a lot of problems with the big prepackaged drives > in the last 6 months even from Windows, so I would not be too quick to > blame Linux. > > ie. > I bought several 500GB / 1000GB Buffalo Drives last month with plans > to use them from Windows via USB. > > I attempted to do a lot of heavy file copying to/from them. I was > getting a bunch of "Delayed Write Failures", > > I finally gave up. > > The 500GB drives had a single hard drive internally, so I opened the > case, removed the drive and connected them via standalone external > carriers I had around. In that mode the drives worked fine (from > Windows). I've used both standalone eSata external carriers and > standalone USB external carriers with these same physical drives with > no issues. > > My conclusion is that the electronics in the prepackaged external > units is just not up to the job if your doing heavy i/o. > > thanks for your answer. the error messages are vanished for now. i switched on/of the power supply for the hd-box sometimes and then it suddenly worked normaly. it even negotiates with 3 Gbps and UDMA/133. Dec 18 13:05:50 proto1 ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Dec 18 13:05:50 proto1 ata2.00: ATA-6: WD My Book ES, 012, max UDMA/133 maybe it is the cable, i have to investigate it. it also claimes to have an automatic power on/off function, whatever this should mean. best regards zsolt - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
