On Mittwoch 26 Mai 2010, meino.cra...@gmx.de wrote: > Grant Edwards <grant.b.edwa...@gmail.com> [10-05-26 17:19]: > > On 2010-05-26, meino.cra...@gmx.de <meino.cra...@gmx.de> wrote: > > > [...] I have two WDC WD10EARS-00Y5B1 (pasted from > > > hdparm -i) harddisk (1TB, advanced format 4096 kb sectors). > > > > > >[...] > > > > > > dd if=/dev/sda of=/dev/sdb bs=8192 > > > > > > which gave me a LOT of I/O errors after a short time. > > > > > >[...] > > > > > > From what kernel version the new advanced format > > > of the hd is fully supported ? > > > > My understanding is that the new format doesn't cause I/O errors, just > > slower transfer rates if you format with disk clusters that aren't > > aligned on 4K boundaries. I'm not aware of any "support" in the > > kernel. > > > > > Are there other reasons -- beside defective hardware -- for > > > the failing dd and how can I fix them ? > > > > In my experience, I/O errors have always been hardware problems > > (usually a failing drive, but it could also be a faulty cable or > > connector). > > Hi > > If it happens again, I will try to save the error list and post it > here... > > May be: The WD-harddiscs are SATA2 my controllers are "only" SATA1... > is it this, which cause the problems? > > Best regards, > mcc
usually it shouldn't.
