[HECnet] Bringing up a MicroVAX 3100-80
Supratim Sanyal
supratim at riseup.net
Mon Mar 30 18:44:14 PDT 2020
On 3/30/20 6:14 PM, G. wrote:
> On Mon, 30 Mar 2020 17:51:21 -0400, Supratim Sanyal wrote:
>
>> What is the recommended way to recover from "FILNOTCNTG" error?
> Boot the system in some other way (cluster satellite, CD-ROM, etc.) and
> check that SYSBOOT.EXE is contiguous:
>
I hooked up the RRD42, burnt the OVMS-7.3 ISO image on a CD-R, and tried
to boot dka400, didn't work. The internet is flush with discussions
about "special format" CD-ROM, ODS vs ISO, 2048 byte vs 512 byte blocks,
etc.
My MacBook refuses to brun the VMS 5.5-2H4 ISO from VAXHAVEN ("invalid
disk image"). So basically I have to research and find a way to burn a
CD-ROM in the necessary format that will boot the MicroVAX into DCL so
that I can repair the CONTIGUOUS issue on DKA100.
I am sure lots of people here have done this - any tips welcome while I
am trolling the internet.
KA47-A V1.2-343-V4.0
08-00-2B-2D-FF-39
24MB
?? 001 9 NI 0172
?? 100 10 SCSI 0034
>>>
>>> sh dev
VMS/VMB ADDR DEVTYPE NUMBYTES RM/FX WP
DEVNAM REV
------- ---- ------- -------- ----- --
------ ---
ESA0 08-00-2B-2D-FF-39
A/0/0
A/0/1
A/0/2
A/0/3
A/0/4
A/0/5
A/0/6
A/0/7
DKA100 A/1/0 DISK 1.05GB FX RZ26L 440C
DKA200 A/2/0 DISK 2.10GB FX RZ28 442C
DKA400 A/4/0 RODISK ...... RM WP RRD42 4.5d
..HostID.. A/6 INITR
> $ DIR/FULL DKA100:[VMS$COMMON.SYSEXE]SYSBOOT.EXE;0
>
> The "File Attributes" line must show "Contiguous" and hopefully "MoveFile
> disabled" too. If not, COPY/CONTIGUOUS it to a newer version of the same in
> the same directory and try the boot again.
>
> The other possibility is that the volume is damaged or does not contain a
> valid VMS file structure. In this case the FILNOTCNTG error is just an
> indication that VMB.EXE (in ROM) got very confused by your disk's contents.
>
> HTH, :)
> G.
>
--
Supratim Sanyal, W1XMT
39.19151 N, 77.23432 W
QCOCAL::SANYAL via HECnet
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