[smartmontools-support] Macos/OSX SAS support

[Christian Franke]

Bryan Fields wrote:
> I'm wondering if this is a smartmon question or deeper in the OS, but is there
> a solution to being able to pull SMART info from SAS disks in OSX?
>
> I have an ATTO SAS controller and it's been stable running with the disks for
> some time, and using SATA disks in the expander I have attached to it works
> fine with smartmon, but SAS disks are a no-go.

On macOS, smartmontools uses IOATASMARTInterface and 
IONVMeSMARTInterface from IOKit to read SMART related info from SATA and 
NVMe devices. SAS devices are not supported because (AFAIK) there is no 
such API available for SCSI.

Regards,
Christian