Re: Recovering from as identical as faulty backup disk..

On Mar 24 04:34:42, my25mb@aol.com wrote:
> sd1(umass0:1:0) Check Condition (error 0x70) on opcode 0x2a
> SENSE KEY: Aborted Command
> ASC/ASCQ: information Unit iuCRC Error Detected
>
> sd1 was the original disk which the second backup disk was copy from.
> And obviously the faulty sd3 had the same UID of sd1.

Why would another disk have the same UID and how is that obvious?
Your problem is a HW failure, not a clash of names.

> Apart my the physical problem of the identical bit-by-bit copy

So how did you make that copy?
Just dd sd1c onto sd3c? Why?

> 2) The CRC problem of sd3 is passed to sd1

What do you mean by that?

> I then rebooted on the backup disk and fix the fss prb to solve my
> situation but frankly the system could be more helpful and less error
> prone in these kind of emergency situations.

You could also make normal backups.