Greg Freemyer wrote: >> I will try to use another test disk. Right now we use different models >> of Western Digital "RAID edition". >> > > iiuc, raid editions are designed to fail fast thus allowing an > alternate drive to provide the data rather than having to wait thru > multiple internal retries. > > Could this just be a case of the drive functioning as designed? If that's the case, the drive should be aborting commands with ICRC bit set reporting unrecoverable media error (AC_ERR_DEV | AC_ERR_MEDIA in libata terms) but the errors are fatal interface errors and timeouts, both of which are indicative of transmission problems on ATA link. -- tejun - 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