On Mon, Sep 10, 2012 at 12:14:35PM -0400, Rich wrote: > On Mon, Sep 10, 2012 at 12:13 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote: > > On Mon, Sep 10, 2012 at 12:07:45PM -0400, Rich wrote: > >> On Mon, Sep 10, 2012 at 12:04 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote: > >> > On Mon, Sep 10, 2012 at 06:01:42PM +0200, Emmanuel Florac wrote: > >> >> Le Mon, 10 Sep 2012 16:47:11 +0300 > >> >> Pasi Kärkkäinen <pasik@xxxxxx> écrivait: > >> >> > >> >> > Any replies from Supermicro/LSI ? > >> >> > > >> >> > >> >> Only loosely related, but Supermicro replaced recently my 846E26 (dual > >> >> expander backplane) with 846E16 (single expander). Apparently they > >> >> gave up getting the E26 to work properly or something: LSI expander > >> >> firmware problem. > >> >> > >> >> In another (very large scale, high end) setup, many different 60 slots > >> >> 5 LSI expanders chassis had a general failure of the 5th drawer. > >> >> Another LSI SAS-2 expander firmware problem. > >> >> > >> >> I could start a rant about the evil of proprietary firmware, etc. You > >> >> get my meaning :) > >> >> > >> > > >> > Yeah, this is a good example why we're trying to get the LEDs working with > >> > direct attach (non-expander) backplanes :) > >> > > >> > -- Pasi > >> > > >> > >> I don't have anything useful for people, other than that they have > >> shown me an HBA firmware that fixes the LED problem but has other > >> problems they're still debugging. > >> > >> So there does exist code for this firmware which will fix this problem. > >> > > > > That's good to know! Let's hope the fix ends up in an official > > LSI HBA firmware update in not-so-distant future. > > > >> [I don't disagree on the evils of proprietary firmware, but this is > >> the hand I've been dealt, so.] > >> > > > > Yeah, there's still the proprietary LSI HBA firmware, but at least using > > direct-attach backplanes has one less :) > > > > Thanks! > > > > -- Pasi > > Actually, the direct-attach backplanes have 3 "passive" AMI management > controller chips...which also, presumably, have embedded mutable > firmware. > Yeah, true, but the "passive" management chips are not part of the SAS datapath? They're only communicating to the SAS HBA using the sideband signals/pins, and controlling the LEDs on the backplane? -- Pasi -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
