# [OmniOS-discuss] Smartmontools - JBOD chassis

Richard Elling richard.elling at richardelling.com
Fri Dec 16 01:36:28 UTC 2016

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    > On Dec 15, 2016, at 11:47 AM, Dale Ghent <daleg at omniti.com> wrote:
    >
    >
    >> On Dec 15, 2016, at 12:02 PM, Machine Man <gearboxes at outlook.com> wrote:
    >>
    >> Can the smartmontools be used on OmniOS to collect JBOD enclosure status, FANs voltages etc. ?
    >
    > SMARTmontools is a disk device monitoring tool that pulls SMART telemetry from the actual disks themselves. What I think you're referring to is something different, called SCSI Enclosure Services (SES), which to my knowledge SMARTmontools doesn't really concern itself with.

    fmtopo and sestopo allow you to interface with SES devices, the UI is butugly. I'd recommend the sg3_utils and smp_utils combo since they have a marginally better UI and are available on multiple OSes.

      -- richard

    >
    > There is a ses driver in OmniOS, however it's fairly dated and basic; and there are no utilities which directly consume it in userland. I might be mistaken, but the ses driver was mainly used back in the day by unbunbled Sun storage products, such as software that interfaced with the StorEDGE line of JBODs and RAID arrays.
    >
    > Nexenta reportedly has a much improved ses driver with userland utility to query enclosure status and manipulate service lights on drive slots, but they haven't upstreamed this.
    >
    > /dale
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