On Wed, 2010-10-13 at 08:55 -0700, JD wrote: > On 10/13/2010 07:52 AM, Linuxguy123 wrote: > > I seem to be doing a lot of things with hard drives these days ! > > > > > > > > I purchased an external 2 TB SATA hard drive. I connected it to my > > laptop via a USB interface. I partitioned it to 1 large partition and > > formatted it to ext4. > > > > I then copied about 200 GB of data to it using Dolphin. I closed > > Dolphin while doing the copy but the process kept running as a kio. No > > errors were reported. > > > > Tonight when I accessed some of the data, I found errors. The file > > sizes read correctly but the data in the files is corrupted. > > > > I ran fsck on the drive. > > > > # umount /dev/sdc1 > > # fsck /dev/sdc1 > > fsck from util-linux-ng 2.17.2 > > e2fsck 1.41.10 (10-Feb-2009) > > /dev/sdc1: clean, 128156/122101760 files, 75280327/488378000 blocks > > > > Luckily I still have all the original data, or at least 98% of it. I > > checked the source files and they all read fine. > > > > Why do I have errors in the files I copied ? Why isn't anything > > reporting an error ? > > > > $ uname -a > > Linux localhost.localdomain 2.6.34.7-56.fc13.i686.PAE #1 SMP Wed Sep 15 > > 03:27:15 UTC 2010 i686 i686 i386 GNU/Linux > > > > Is is worth repeating the copy using cp to see if I get the same > > results ? > > > > Thanks > > > > > > > > > I suspect the cause of your problem might be the USB interface. > Can you take the drive out of the enclosure and connect it > directly to sata port and retry? Yes, I can. I'll do it when I get time. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines