Here is my original post:
>
> My company just received a letter from DEC explaining workarounds for
> some problems that they have found in recent DU releases. One problem
> has to do with "new-wire-method" being enabled in the kernel, and
> another occurs in systems that use a KZPSA SCSI Adapter. I'd like to
> know if I need to implement the workarounds so my questions are: how
> can I tell if "new-wire-method" is enabled in my kernel? and how can
> I tell what type of SCSI Adapter is in my system?
Thanks to the following for their responses:
"Randy M. Hayman" <haymanr_at_icefog.sois.alaska.edu>
Richard L Jackson Jr <rjackson_at_gmu.edu>
Oisin McGuinness <oisin_at_sbcm.com>
SSTROBEL_at_steelcase.com
Mike Iglesias <iglesias_at_draco.acs.uci.edu>
Stephen Carpenter <sac_at_uvo.dec.com>
alan_at_nabeth.cxo.dec.com
There are a couple of ways check the setting of new-wire-method. On is
to use kdbx as follows:
> root_at_icefog> dbx -k /vmunix /dev/mem
> dbx version 3.11.10
> Type 'help' for help.
>
> stopped at [thread_block:2097 ,0xfffffc00002a83b0] Source not available
>
> warning: Files compiled -g3: parameter values probably wrong
> (dbx) p new_wire_method
> 0
The simpler way is to use sysconfig:
>
> sysconfig -q vm | grep wire
>
There are also a couple of ways to see what type of SCSI adapter you
are using:
> 2. To find out the kind of SCSI adapter; look at the machine startup messages.
> Here is output from the startup for a 2100a 5/300
[Use uerf to see these messages. If you are using a KZPSA adapter the
pza driver will get loaded]
>
> psiop1 at pci2000 slot 7
> Loading SIOP: script 1012100, reg <--- KZPSA here
> _81900100, data 40602410
> scsi3 at psiop1 slot 0
> tz30 at scsi3 target 6 lun 0 (LID=4)
> _(DEC DLT2000 840F)
>
>
> pci3000 at pci2000 slot 8 <--- KZPDA here
> isp0 at pci3000 slot 0
> isp0: QLOGIC ISP1020A
> isp0: Firmware revision 2.10 (loaded
> _from driver)
> scsi2 at isp0 slot 0
> rz16 at scsi2 target 0 lun 0 (LID=5)
> _(SEAGATE ST32171W 0280)
> _(Wide16)
>
> But the definitive test is at console mode to do a show conf, and also to take the board out
> and look at it....
Thanks again,
Mike
----------------------------------------------------------------------
Michael Galuza
DeJarnette Research Systems mgaluza_at_dejarnette.com
401 Washington Ave Suite 700 Voice: +1(410)583-0680 x691
Towson, MD 21204 Fax: +1(410)583-0696
----------------------------------------------------------------------
Received on Wed Jul 16 1997 - 19:41:18 NZST