Rui-Xiang Guo wrote:
> Yes, indeed. Because it's very hard to connect all of 8 hard drivers with
> standard cables. But why just wd0 has such error?
> Is it harmful?

Your drive's UDMA mode is downgraded due to the CRC errors. This will 
probably influence over-all performance of your configuration.

> How to fix it?

Switch to SCSI or even Serial ATA :) They allow for much longer cables.


Regards

Felix