Re: [smartmontools-support] Yet more on Re: long tests in standby mode

[Bruce A. <ba...@gr...>]

Hi Doug,

> I think that we should accept the first (lower) byte of 0x4f for success 
> (or 0xf4 for failure) since it is placed below the 18 byte SCSI-2 sense 
> buffer length limit in a SAT ATA Return descriptor. Silently ignore in 
> incorrect upper byte (0xc2 for success or 0x2c for failure) unless '-r 
> ioctl[,<n>]' is given, in which case smartmontools can explain its 
> assumption/compromise.
>
> A patch is attached for consideration.

I have not checked the patch in detail, but I think the basic idea is 
fine: check the part of the response which survives the overly-short 
buffer limit, with a diagnostic warning if the remaining part of the 
response is missing.

Cheers,
     Bruce