# [OmniOS-discuss] dell 730xd with md3060e jbod

Richard Elling richard.elling at richardelling.com
Thu Aug 13 19:11:29 UTC 2015

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    > On Aug 13, 2015, at 8:47 AM, Randy S <sim.ple at live.nl> wrote:
    >
    > Hi,
    >
    > A while ago I had a moment to test a 730XD with a md3060e jbod.
    > I have read the other threads  regarding the 730 usability.
    > I had no problems with it using omnios R12. However the use  of the JBOD did raise an issue regarding blinking disk leds.
    >
    > I noticed that the signals send with sas2ircu were not doing their job (nothing blinks). After some calls to dell technicians, I heard
    > that dell has disabled these signals in their firmware and only allows signalling through their own tool, which only works with windows
    > and some linux flavours.
    >
    > At that time I hear about santools which "might propably" be used for this blinking functionality (and more), but you have to buy it to test it.
    > Bit expensive for a test.
    >
    > After this long intro, my question is:
    > Does anybody know of a another way (script, tools etc)  to get this blinking functionality going in this hardware combination (ofcourse NOT using dd) ?

    Try fmtopo first. There are 3 indicators defined: fail, ident, ok2rm. Many SES vendors
    only implement fail and ident. Here an example:

    /usr/lib/fm/fmd/fmtopo -P facility.mode=uint32:1 hc://:chassis-mfg=XYZ:chassis-name=XYZ-ABC:chassis-part=unknown:chassis-serial=500093d0016cc76/ses-enclosure=0/bay=1?indicator=fail

    to de-assert the indicator, facility.mode=uint32:0

    to find the FMRI string, use fmtopo to observe what your hardware reports.
     -- richard

    >
    > As I understood, this same combination is used, as a standard, by a another (big) illumos kernel user and their systems also do not blink disks. I however,
    > would like to be able to find a disk easilly to e.g. replace and not only depend on the internal disk tests which the JBOD seems to do by itself regardless of the OS used.
    >
    > (Dell told me theJBOD detects defect disks by itself by performing some periodic tests. How it does this I do not know).
    >
    > Regards,
    >
    > R
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