Re: Log failed: scsi error unsupported field

Alex Regan wrote:
> I have a Seagate 5TB disk that was given to me because the original 
> owner was having trouble with it and thought it was defective (it 
> probably is). It's also listed as a "component" by Seagate so not 
> covered under warranty.
>
> Before tossing it, I thought I would run some tests. I ran badblocks 
> across the majority of the disk and it completed at least one pass 
> without error.
>
> I also ran a smartctl long test and it appeared to complete 
> successfully, but doesn't display the normal self-test log report at 
> the end.
>
> Here is the results of a "smartctl -a" on the device. Can someone tell 
> me the significance of the errors below?
> ...
> % smartctl -a /dev/sda
> smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.14.32-std522-amd64] 
> (local build)
> Copyright (C) 2002-17, Bruce Allen, Christian Franke, 
> www.smartmontools.org
>
> === START OF INFORMATION SECTION ===
> Model Family:     Seagate Desktop HDD.15
> Device Model:     ST5000DM000-1FK178
> ...
> Firmware Version: ZZZZ

BTW: Interesting FW Version :-)

> ...
>
> Read SMART Self-test Log failed: scsi error unsupported field in scsi 
> command
>
> Read SMART Selective Self-test Log failed: scsi error unsupported 
> field in scsi command

This usually does not indicate disk problems. Either these logs are not 
supported or this is a limitation of some software layer (e.g. SCSI ATA 
Translation) between smartctl and disk. Did you connect this drive via 
USB? If yes, which USB Id?

Note that "smartctl -a" does not print newer ATA logs . Try "smartctl -x".

Thanks,
Christian


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