Wren VI summary

From: Marcel Bernards (ecn!bernards@relay.eu.net)
Date: Fri Aug 31 1990 - 04:18:31 CDT


Thanx for the great responce.

I got several messages up till now.
Unfortunaly I made some typo's that make things a bit confusing.
The drive type is really the 94191-766 Wren VI.
I received some different types of format.dat entries.
That makes things even more confusing.

Kathy's:
disk_type = "CDC Wren VI 94191-766" \
        : ctlr = MD21 \
        : trks_zone = 15 : asect = 2 \
        : ncyl = 1630 : acyl = 2 : pcyl = 1632 : nhead = 15 : nsect = 50 \
        : rpm = 3600 : bpt = 33408

Brian's:
disk_type = "CDC WrenVI 94191-766" \
        : ctlr = MD21 : fmt_time = 3 \
        : trks_zone = 15 : asect = 4 \
        : ncyl = 1630 : acyl = 2 : pcyl = 1632 : nhead = 15 : nsect = 52 \
        : rpm = 3600 : bpt = 26624
      
Alex's:
disk_type = "CDC WrenVI 94191-766" \
        : ctlr = MD21 : fmt_time = 4 \
        : cache = 0x11 : trks_zone = 15 : asect = 1 : atrks = 30 \
        : ncyl = 1629 (or 1826) : acyl = 2 : pcyl = 1631 (or 1826) \
        : nhead = 15 : nsect = 53 : rpm = 3597 : bpt = 33408

Guntram's:
disk_type = "CDC Wren VI 94191-766" \
        : ctlr = MD21 : fmt_time = 4 \
        : cache = 0x11 : trks_zone = 15 : asect = 1 : atrks = 30 \
        : ncyl = 1628 : acyl = 2 : pcyl = 1630 : nhead = 15 : nsect = 53 \
        : rpm = 3597 : bpt = 31320
 
        
White's & Tim's & Larry's:
Here is the entry from the 4.1 format.dat
disk_type = "CDC Wren VI 94191-766" \
        : ctlr = MD21 : fmt_time = 4 \
        : cache = 0x11 : trks_zone = 15 : asect = 5 : atrks = 30 \
        : ncyl = 1614 : acyl = 2 : pcyl = 1632 : nhead = 15 : nsect = 54 \
        : rpm = 3600 : bpt = 31410

Which one is the right one ? (the final $100000 quiz question :-)
When I look at the datasheet and compare it with the SUNOS 4.1 entry White
and Tim mailed me, the most reasonable choise seems to take this one,
although it seems a bit waisty to grab so much asect/atrks space ??
The interesting thing is that the keywords asect,atrks and trks_zone
are not mentioned in the 4.0.3 manuals and atrks not _directly_
in the 4.1 manual.

holle@ASC.SLB.COM (Kathy Holle)
venus!brian@hp4nl.nluug.nl (Brian Holgate)
alexl@daemon.cna.tek.com (Alexander Lopez)
white@cns.UCalgary.CA
Tim Rylance <tkr@praxis.co.uk>
ldk@raistlin.udev.cdc.com (Larry D. Kelley)
nieusma@boulder.colorado.edu (Jeff Nieusma)
gwolsk@sei.com (Guntram Wolski)

Thanx all,

Marcel Bernards, UNIX & Net sysadm Netherlands Energy Research Foundation ECN
P.O. Box 1, 1755 ZG Petten, PHONE: (+31 /0)2246 4579 FAX: (+31 /0)2246 1864
EMAIL: bernards@ecn.nl ..!hp4nl!ecn!bernards EARN/BITNET:ESU0130@HPEENR51
SCREAMNet : AAAAAARGHH!HUH?? : Disclaimer: "The AntiChrist is the Computer !"



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