smartctl - Can't run select span range

Tue Jun 26 03:18:37 UTC 2018

While I'm not absolutely certain, looking at one of the OS headers
	/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/IOKit.framework/Versions/A/Headers/storage/ata/ATASMARTLib.h
I don't think macOS supports any immediate offline tests other than short and long (in particular, not selective ranges), so I think smartmontools on macOS is simply recognizing that - it runs on a lot of platforms, and not all of them necessarily support every feature.  macOS AFAIK doesn't support SMART at all on USB or Firewire; and at least one other OS doesn't seem to fully support SMART for ATA, for example.

> On Jun 25, 2018, at 21:40, Ubence Quevedo <thatrat at gmail.com> wrote:
> 
> Thanks for pointing this out.  I’m disappointed this feature seems to be disabled in macOS.  Looks like I’ll have to ask the smartmontools developers why this was left out of macOS.
> 
> -Ubence
> 
> On Mon, Jun 25, 2018 at 7:16 AM Richard L. Hamilton <rlhamil at smart.net <mailto:rlhamil at smart.net>> wrote:
> 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) <thatrat at gmail.com <mailto:thatrat at gmail.com>> 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 <thatrat at gmail.com <mailto:thatrat at gmail.com>> 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 <jmr at macports.org <mailto:jmr at macports.org>> 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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