rtaylor@tron.UUCP (Randy Taylor) (05/29/91)
Hello all ! 8-))
Has anyone successfully hooked up a SCSI hard disk to an HP/Apollo
DN3xxx/4xxx machine ?
We are looking to expand our mass storage capability, but we are getting
conflicting information from various groups within HP/Apollo concerning
SCSI support for the DN3k/4k series workstations.
Pertinent info :
1) SCSI disks to be attached only to OS SR10.1 or higher nodes.
2) We would like to hook up SCSI drives of > 600 Mb, if possible.
If anyone out there on the net has done this, could they please tell us
what brand name of equipment was used (HP/Apollo, Western Digital, etc),
whether or not any additional hardware was needed (SCSI controller cards,
cables, etc.) and price information ?
Many thanks in advance ! 8-)
Randy Taylor
Westinghouse Electric Corp.
Baltimore, Maryland
Please reply via e-mail to :
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--
rtaylor@sky00.bwi.wec.com from an Internet site (preferred)
rtaylor@tron.bwi.wec.com from an Internet site (alternate)
"...you know I have the greatest enthusiam for the mission." HAL 9000thompson@PAN.SSEC.HONEYWELL.COM (John Thompson) (05/29/91)
> Has anyone successfully hooked up a SCSI hard disk to an HP/Apollo > DN3xxx/4xxx machine ? Probably not. We certainly haven't. > We are looking to expand our mass storage capability, but we are getting > conflicting information from various groups within HP/Apollo concerning > SCSI support for the DN3k/4k series workstations. God only knows who in HP/Apollo is giving you a 'maybe you can' answer. You can't add SCSI devices to the DN3x00 / DN4x00 / DN5x00 series machines, unless HP/Apollo has made a _RADICAL_ change of policy. I know that Mentor (and probably 3rd party) has a SCSI board that sits in the AT-bus, and you cand access it if you use the special driver that's provided, but that will NOT give you disk services. The best (biggest) you can do with a DN3000 is a 325MB drive (Maxtor?). If you get a motherboard up-rev (to God knows what revision), the DN3500/ 4000/4500 can take the WD7000 controller, which has a SCSI bus on it. However, you can only hook up SCSI tape drives, floppies, and CD-ROMs as far as I know. Maybe you can hook up a WORM or r/w optical, which might account for the information conflict. The best (biggest) drive you can hang off a WD7000 is the Maxtor 760MB ESDI drive (Maxtor XT8760E), which'll give you 650MB formatted space. You can put 2 drives per controller, and 2 controllers per node, for 2.6GB of space. I think you'll find that the up-revs you'll need will be too pricey though. Probably better to go with a 9000/400 series node (maybe the 425E, if you have ethernet). You can hang about 9 GB of SCSI off of a 'E' or 'T' type 400 series, and 27 GB from an 'S' type 400 series (3 SCSI controllers, 6 SCSI drives per, 1.5 GB per). > "...you know I have the greatest enthusiam for the mission." HAL 9000 ^-- please fix. :-) Good Luck -- hope this helps. -- jt -- John Thompson Honeywell, SSEC Plymouth, MN 55441 thompson@pan.ssec.honeywell.com When in danger, when in doubt -- run in circles, scream and shout.
edwill@mars.lerc.nasa.gov (Glenn L. Williams) (05/30/91)
In article <734@tron.UUCP>, rtaylor@tron.UUCP (Randy Taylor) writes... >Hello all ! 8-)) > >Has anyone successfully hooked up a SCSI hard disk to an HP/Apollo >DN3xxx/4xxx machine ? > >We are looking to expand our mass storage capability, but we are getting >conflicting information from various groups within HP/Apollo concerning >SCSI support for the DN3k/4k series workstations. > >Pertinent info : > >1) SCSI disks to be attached only to OS SR10.1 or higher nodes. >2) We would like to hook up SCSI drives of > 600 Mb, if possible. > >If anyone out there on the net has done this, could they please tell us >what brand name of equipment was used (HP/Apollo, Western Digital, etc), >whether or not any additional hardware was needed (SCSI controller cards, >cables, etc.) and price information ? > > We added standard drive expansion box from HP/Apollo. Works fine. Just call your HP sales office. We added it to a DN3550.