jwb@cepmax.ncsu.edu (John W. Baugh Jr.) (03/27/91)
What does one do after physically adding a SCSI disk to a 4500 to incorporate it into the filesytem? Presumably, there must be a device for it in /dev, so I guess an /etc/mkdsk will have to be done. Can I then use invol to add it as a logical volume? Any help, advice, comments, etc., welcome. John Baugh jwb@cepmax.ncsu.edu
thompson@PAN.SSEC.HONEYWELL.COM (John Thompson) (03/27/91)
> What does one do after physically adding a SCSI > disk to a 4500 to incorporate it into the filesytem? > Presumably, there must be a device for it in /dev, > so I guess an /etc/mkdsk will have to be done. > Can I then use invol to add it as a logical volume? > Any help, advice, comments, etc., welcome. One physically removes it from the DN4500, and puts it onto a DN2500 or onto a 9000/400t (or 425t, 400s, 425s, 433s). Sorry for the half-attempt at wit (a half-wit?). Unless HP/Apollo has changed something _very_ recently, the only disks supported on the 'DN' nodes (except for the 2500) are ESDI drives. Specifically, the DN3000 and any DN3500/DN4000/ DN4500 with the old-style controllers can take up to a 325MB disk (I believe the Maxtor XT-4380E). The DN3500/DN4000(?)/DN4500 can take the Western Digital WD7000 controller, which can control up to two 170MB, 325MB, or 697MB disks (of the same type). I don't remember the 170MB, but the 325MB is the Maxtor disk (see above), and the 697MB is the Maxtor XT-8760E disk. The DN10000 can handle at least two disks per controller, and can have up to four controllers. These are Interphase 4301 VMEbus controllers with some added PROMs. The DN10k takes either the 325 or 697MB disks. (I say 'at least two disks per controller' because SALVOL, INVOL, and CONFIG imply that you can stick on four disks, but Apollo reps tell me that you can only put on two. I have only verified that the DN10k can handle 8 disks (5.5 GB, set up as 4 volumes of 2 striped disks each). It seems that many people get confused/misled about the SCSI interface. HP/Apollo is not providing complete/total/transparent support to this interface except on the new boxes (and even then they won't promise it). -- jt -- John Thompson Honeywell, SSEC Plymouth, MN 55441 thompson@pan.ssec.honeywell.com Me? Represent Honeywell? You've GOT to be kidding!!!
krowitz@RICHTER.MIT.EDU (David Krowitz) (03/27/91)
Domain/OS (ie. SR10.x) does not, to my knowledge, support SCSI disks attached to the WD7000 controller's SCSI port. It only supports certain SCSI tape devices attached to the SCSI port and ESDI disks attached to the Winchester/floppy port. If anyone has any PSK release notes which contradict this, I'd sure like to know ... because I keep hearing rumors that SCSI disk support is in the future, but the future hasn't seen fit to arrive. -- David Krowitz krowitz@richter.mit.edu (18.83.0.109) krowitz%richter.mit.edu@eddie.mit.edu krowitz%richter.mit.edu@mitvma.bitnet (in order of decreasing preference)
krowitz@RICHTER.MIT.EDU (David Krowitz) (03/27/91)
Just to add a few details to John's informative posting:
1) The 155 MB disk used on the DN3xxx/4xxx machines is the
Micropolis 1355
2) There are three different kinds of 348 MB disks sold
by Apollo as two different models: the 348 MB slow disk
used in the DN3000, and the 348 MB FA (fast access) disk
used in the DN4000 and 3500/4500. The slow disk is
frequently a Maxtor EXT-4380 disk. The fast access disk
is either a Maxtor EXT-4380E or a Micropolis 1558. The
Micropolis disk can apparently be configured to run as
the slow disk in addition to the FA disk.
3) The 697 MB disk used with the WD7000 controller in the
DN4000, DN3500/4500, and DN10000 is the Maxtor EXT-8760E
disk.
4) For those who care, the 72 MB disks seem to be either
Micropolis 1325 or Vertex V185 drives, according to the
config info in the /systest/ssr_util/jumper program.
-- David Krowitz
krowitz@richter.mit.edu (18.83.0.109)
krowitz%richter.mit.edu@eddie.mit.edu
krowitz%richter.mit.edu@mitvma.bitnet
(in order of decreasing preference)