Looks to me like the code purposely and intentionally disallows that on a Mac. No idea why - maybe the OS won't do it or doesn't like it.
In os_darwin.cpp:
483 case ATA_SMART_IMMEDIATE_OFFLINE:
484 select = in.in_regs.lba_low;
485 if (select != SHORT_SELF_TEST && select != EXTEND_SELF_TEST)
486 {
487 errno = EINVAL;
488 return set_err(ENOSYS, "Unsupported SMART self-test mode");
489 }
490 err = smartIf->SMARTExecuteOffLineImmediate (ifp,
491 select == EXTEND_SELF_TEST);
492 break;
In other words, on a Mac, I think only -t long and -t short would work, not any
other -t options.
> On Jun 25, 2018, at 09:13, Ubence Quevedo (thatrat) <[email protected]> wrote:
>
> Hi All,
>
> I tried compiling the latest snapshot of smartmontools, and the problem is
> still occurring:
> Ubences-MacBook-Pro:smartmontools-6.7 uquevedo$ ./smartctl -t select,0-10
> /dev/disk0
> smartctl 6.7 2018-06-21 r4735 [Darwin 17.6.0 x86_64] (local build)
> Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org
> <http://www.smartmontools.org/>
>
> === START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
> Sending command: "Execute SMART Selective self-test routine immediately in
> off-line mode".
> SPAN STARTING_LBA ENDING_LBA
> 0 0 10
> Command "Execute SMART Selective self-test routine immediately in off-line
> mode" failed: Unsupported SMART self-test mode
>
> This seems more a problem for smartmontools…? Might this be a problem
> similar to not being able to scan external drives for smart information in
> macOS?
>
> I’m still curious if anyone has gotten the selective span scan to work in
> macOS...?
>
> -Ubence
>
>> On Jun 24, 2018, at 3:35 PM, Ubence Quevedo <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> Thanks for pointing this out, but the selective scan range for smartctl has
>> never worked in previous versions available through macports from the last
>> few years, I’m just now finally posting something about this. I had worked
>> around this by setting the sleep timeout on my Mac to a much longer timeout
>> [three hours] so the whole drive [1TB] could be scanned on a long test.
>> From what I understand of the selective scan range, the range will be
>> scanned, and when the next scan occurs, it’s scan the next range.
>>
>> I’d really love for this feature to work so I don’t have to keep my system
>> online all the time for scanning.
>>
>> Any suggestions on how to look into this further?Perhaps build smartmontools
>> from source and test? Has anyone gotten the selective range to work for
>> scanning from installing smartmontools from macports?
>>
>> -Ubence
>>
>> On Sun, Jun 24, 2018 at 3:15 PM Joshua Root <[email protected]
>> <mailto:[email protected]>> wrote:
>> Ubence Quevedo wrote:
>> > However, when I boot the same system off of Ubuntu 18.04 Live USB with the
>> > same version of smartmontools [6.6], this command works properly:
>>
>> Just a note that Ubuntu does not actually have the same version as
>> MacPorts. As your output shows:
>>
>> MacPorts:
>> > smartctl 6.6 2017-11-05 r4594 [Darwin 17.6.0 x86_64] (local build)
>>
>> Ubuntu:
>> > smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-20-generic] (local
>> > build)
>>
>> MacPorts has the 6.6 release, corresponding to svn r4594. Ubuntu has an
>> svn snapshot from sometime after 6.5 but before 6.6, r4324. This is
>> confirmed by the listed Ubuntu package version:
>>
>> <https://packages.ubuntu.com/bionic/smartmontools
>> <https://packages.ubuntu.com/bionic/smartmontools>>
>>
>> - Josh
>
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