10-09-2002
Quote:
Originally posted by Perderabo
comatt1, what os are you using? HP-UX11
What device file? Tape Drive DDS drive
The new storage areas in Progress version 9 are merely the largest unit of a Progress database, and give control over the location of database objects. These areas are used to allow the seperate of the database control structures, before image files, schemas, user data, and after-image files (which are not implemented as of yet).
For some reason, the script which could previously find for example, the third database would just look like
mt -t /dev/rmt/om rew
mt -t /dev/rmt/omn fsf 2
prorest ...
no longer works.
I have looked at the Unix manual file and found that the -t parameter is obsolete, replaced with -f --
Could this be the issue
Or is a more complicated procedure the only way to deal with this, if the tape is now counting storage areas as seperate files?
It sound to me like you are just using a rewind device. But if you can't get filemarks to work, you shouldn't be increasing the complexity of the problem by adding in setmarks.
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MT(1) General Commands Manual MT(1)
NAME
mt - magnetic tape manipulating program
SYNOPSIS
mt [ -f tapename ] command [ count ]
DESCRIPTION
Mt is used to give commands to a magnetic tape drive. If a tape name is not specified, the environment variable TAPE is used; if TAPE
does not exist, mt uses the device /dev/rmt12. Note that tapename must reference a raw (not block) tape device. By default mt performs
the requested operation once. Operations may be performed multiple times by specifying count.
The available commands are listed below. Only as many characters as are required to uniquely identify a command need be specified.
eof, weof
Write count end-of-file marks at the current position on the tape.
fsf Forward space count files.
fsr Forward space count records.
bsf Back space count files.
bsr Back space count records.
rewind Rewind the tape (Count is ignored).
offline, rewoffl
Rewind the tape and place the tape unit off-line (Count is ignored).
status Print status information about the tape unit.
cacheon
Enable the readahead/writebehind cache on the tape unit.
cacheoff
Turn off the readahead/writebehind cache on the tape unit.
Mt returns a 0 exit status when the operation(s) were successful, 1 if the command was unrecognized, and 2 if an operation failed.
The cacheon and cacheoff commands currently only apply to the TMSCP driver and then only for certain drives such as the TU81+. No error is
produced by the TMSCP driver if the cache commands are used. Other drivers will return an error code since they do not recognize the
MTCACHE and MTNOCACHE functions codes. See mtio(4).
FILES
/dev/rmt* Raw magnetic tape interface
SEE ALSO
mtio(4), tmscp(4), dd(1), ioctl(2), environ(7)
4th Berkeley Distribution December 22, 1995 MT(1)