On Wed, 28 Jun 2006 13:40:15 +0100, T. Horsnell wrote: > I'm in the process of moving stuff from our Alpha fileserver onto A > linux replacement. I've been using gnu-tar to copy filesystems from the > Alpha to to the Linux NFS-exported disks over a 1Gbit LAN, followed by > diff -r to check that they have copied correctly (I wish diff had an > option to not follow symlinks..). I've so far transferred about 3 TiB of > data (spread over several weeks) and am concerned that during this > process, 3 files were mis-copied without any apparent hardware-errors > being flagged. There was nothing unusual about these files, and > re-copying them (with cp) fixed the problem. > > Are occasional undetected errors like this to be expected? I thought > there were sufficient stages of checksumming/parity (both boxes have ECC > memory) etc to render the probability of this to be vanishingly small. I'd still consider running a good RAM test on both boxes.
