Help - NCR Unix 3.02 MP-RAS Post: 302149933

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Special Forums Hardware Filesystems, Disks and Memory Help - NCR Unix 3.02 MP-RAS Post 302149933 by cer on Sunday 9th of December 2007 03:41:20 AM

12-09-2007

Registered User

NCR Unix 3.02 MP-RAS - disk layout

Semi-short answer:
You need to reinstall. The disk partition in which your MP-RAS image
resides in, is too small to add any -additional- filesystems and there
are no tools to dynamically grow your VxFS filesystems. Moreover,
the version of MP-RAS you're using doesn't "see" other disk partitions
on the -same- disk (so you can't just create other disk partitions on
the 35G disk and add new filesystems there). If you can't re-install
for some reason (lost CD or license diskettes), you can add a new
drive to the system and MP-RAS will recognized the new drive (once
you reboot (or run ``mktable''), then use ``sysadm'' to create new
filesystems.

Comments:
I'm not aware of any NCR (or Teradata) sponsored installation that
would appear this way. If I were to guess, the 2G drive(s) died and
the next smallest drives available were 35G so those were used.
Notably, you're missing ``/var'', ``/opt'', and ``/usr'' which are fairly
standard on all NCR UNIX (MP-RAS) installations.

The following message is particularly broken (but fixed in much later
versions of MP-RAS) and output by the ``dfspace'' command:

...
Total Disk Space: 84.45 MB of 912.39 MB available ( 9.26%).

MP-RAS (until recently) assumed it owned the entire disk whenever
it was installed, and to that end, was installed in so-called "no-compat"
mode. Thus, it only "knows" about the drive to the extent of the disk
partition it which it resides (was installed) in.

Last edited by cer; 12-09-2007 at 05:03 AM.. Reason: Mis-read block count used for root filesystem

cer

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repartit

REPARTITION(8)						      System Manager's Manual						    REPARTITION(8)

NAME

       repartition - load a partition table

SYNOPSIS

       repartition device [partition-file]

DESCRIPTION

       Repartition  uploads  a new partition table for the partitions of device.  The table is obtained from the first sector of partition-file if
       given, device otherwise.  Device may refer to the whole drive or a primary partition, depending on whether you want to upload  a  partition
       or a subpartition table.  The partitions will be truncated to fit within the enclosing device like the disk driver does, unless the numbers
       are coming from partition-file.

EXAMPLES

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       repartition /dev/hd4 /etc/hd4.table

       Reload the partition table of drive 0 setting /dev/hd[1-4], and the subpartition table of /dev/hd4 setting /dev/hd4[a-d] using a file.  The
       latter may be useful if you need more than the 4 subpartitions a single Minix partition gives you.

DIAGNOSTICS

       The new table is printed on standard output.

FILES

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SEE ALSO

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BUGS

       The disk must be in use for the changes to stick.  The partition table of an idle disk will be reloaded on the first open.

AUTHOR

       Kees J. Bot (kjb@cs.vu.nl)

																    REPARTITION(8)

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