details commands and procedures in MPE that can improve your
productivity with HP 3000 systems. Send your tips to firstname.lastname@example.org.
having trouble getting reliable information on which DLT drives are
supported on an 969 system running MPE/iX 6.5 PP3. Do I need part
numbers for DLT7000 or DLT8000 drives which are supported?
FWD DLT7000 or 8000 will work on your system. I dont think you
can buy a new DLT7000, so its off to the broker for that one,
or check out dirtcheapdrives.com. They have an external Quantum
DLT8000 with HVD connection for about $2,200. An internal model is
drive failed on a user volume. How can I determine the accounts and
groups on that user volume?
Jeff Woods adds:
addition to the suggestion to use :REPORT @.@;ONVS=volset
(which may fail because its actually trying to look at the
group entries on the volume set) you can do a :LISTGROUP
@.@ and scan the listing for groups where HOMEVS is your
uservolumesetname. The advantage of LISTGROUP is that it uses only
the directory entries on the system volume set. You may want to
redirect the output of LISTGROUP to a file and then search that
rather than trying to scan the listing directly.
any startup script, similar to .profile in Unix, for the HP 3000? I
need to set my prompt setting and many others in the startup
UDCs (User Defined Command) would be the way to simulate
the .profile functionality. Setting the HPPROMPT
variable, for example, can set the prompt.
trying to create a new database with two detail datasets and 5
automatic masters. DBSCHEMA is reporting the following error: ERROR
MORE THAN ONE PRIMARY MASTER. What is my problem and how do I fix
Berkowitz and Jerry Fochtman reply:
means exactly what it says. You have more than one item defined as
the primary chain in a detail data set. This is done by putting a
! in from of the master dataset that links to a detail
the following error on a message file mean?
ERROR NUMBER: 71 RESIDUE: 8224 (WORDS) !
BLOCK NUMBER: 538976288 NUMREC: 8224 !
Ostberg and Jeff Woods reply:
Too many files open.
Ive seen this a lot with COBOL programs that open a
file in utility code that then forgets to close the file. After
calling it about 1000 times (more or less), youll start getting
intend to have two TurboIMAGE passwords in your database, one for
READ and another for READ/WRITE, do you need to set each password for
each field in a dataset?
You only need to set passwords at the field level if you want
field-level restrictions (very tricky to maintain). Want you want to
do is set the passwords for each DATASET.
If my HP
3000 does not fail mechanically for next 23 years, what obstacles
will force us to stop using the machine?
Lheureux and Wirt Atmar reply:
issue is with the Calendar intrinsic, which has a 7-bit field to
encode year. The reference year is 1900. On a 7-bit field, you can
encode from 0 to 127. So the latest year you can encode with Calendar
is 1900 + 127 = 2027. January 1, 2028 is going to be a problem. The
internal calendar will overflow at midnight, December 31, 2027; thus
you wont get your full 23 years. Rather, you only have 22
years, six and a half months left.
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