New drives in the M3100/M76

From: sms_at_antinode.org <(sms_at_antinode.org)>
Date: Mon Mar 20 19:57:43 2000

From: Chuck McManis <cmcmanis_at_mcmanis.com>

> Conclusions for the archives...
> [...] VAXStation 3100/M76 [...]
> On the M76 there is no requirement that the boot disk be smaller than 1GB
> (apparently this is true on earlier models).

   It depends on what you mean by required. According to the VMS FAQ
("ftp://ftp.digital.com/pub/Digital/dec-faq/OpenVMS.txt", topic VAX5,
"What system disk size limit on the MicroVAX and VAXstation 3100?"):

[...]
Systems that are affected by this limit:
  o VAXstation 3100 series, all members. No PROM upgrade is available.
                            ===========
[...]

   Generally, as I understand it, the corruption results from the
firmware writing to a too-large disk, as when a crash dump file is
written. As the firmware on these machines mentions both ULTRIX and
VMS, I assume that it is comparably adept at wrapping around at the
1.07GB limit and corrupting a disk with either style file system.

   Disks larger than this limit are fine as data disks. (I have a 4GB
disk in my model 38, for example.) They also work fine as system/boot
disks, until something goes wrong, and the corruption occurs. (I boot
my model 38 from a smaller, safer disk.)

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Received on Mon Mar 20 2000 - 19:57:43 GMT

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