Date: Fri, 5 Mar 1999 13:45:19 +0300 (MSK) From: bag@sinbin.demos.su (Alex G. Bulushev) To: ken@plutotech.com (Kenneth D. Merry) Cc: gibbs@pluto.plutotech.com, scsi@FreeBSD.ORG Subject: Re: RAID saga Message-ID: <199903051045.NAA77228@sinbin.demos.su> In-Reply-To: <199903021517.IAA79167@panzer.plutotech.com> from "Kenneth D. Merry" at "Mar 2, 1999 8:17:36 am"
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> Justin T. Gibbs wrote...
> > > we use several IFT3102 without problems, it can work with fbsd cam as is
> > > or with path to scsi_da.c
> > >
> > > 127,135d126
> > > < * Infortrend RAID controller doesn't like the
> > > < * synchronize cache command.
> > > < */
> > > < {T_DIRECT, SIP_MEDIA_FIXED, "IFT", "3102", "01*"},
> > > < /*quirks*/ DA_Q_NO_SYNC_CACHE
> > > <
> > > < },
> >
> > This will disable tagged queueing (min and max tags default to 0 since
> > they are not initialized). Was this your intention? I would not expect
> > to see good performance from this array without tagged queueing turned
> > on.
>
> The quirk is for the DA driver, not the transport layer. (i.e., it won't
> affect tags)
so this patch disable only sync cache command and it is usefull
commit it in -stable and -carrent, without this patch we see
not good messages when syncing disks:
syncing disks... 22 22 13 1 done
(da1:ahc1:0:1:0): SYNCHRONIZE CACHE. CDB: 35 0 0 0 0 0 0 0 0 0
(da1:ahc1:0:1:0): ILLEGAL REQUEST asc:20,0
(da1:ahc1:0:1:0): Invalid command operation code
(da2:ahc1:0:2:0): SYNCHRONIZE CACHE. CDB: 35 0 0 0 0 0 0 0 0 0
(da2:ahc1:0:2:0): ILLEGAL REQUEST asc:20,0
(da2:ahc1:0:2:0): Invalid command operation code
(da3:ahc1:0:3:0): SYNCHRONIZE CACHE. CDB: 35 0 0 0 0 0 0 0 0 0
(da3:ahc1:0:3:0): ILLEGAL REQUEST asc:20,0
(da3:ahc1:0:3:0): Invalid command operation code
>
> Ken
> --
> Kenneth Merry
> ken@plutotech.com
>
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