MPE/iX Error Messages Manual Vol 1 (32650-90878)

Chapter 6 485
File System (Native Mode)
(Subsystem 143)
ACTION File an SR.
1500 MESSAGE An unexpected High-level IO error was
encountered while executing a tape IO
request.
CAUSE Either the IO request was invalid, or the device is not
ready/accessible.
ACTION Make sure the requested IO operation is a valid one, and
the devcie is accessible for the process.
1501 MESSAGE An unexpected Low-level IO error was
encountered while executing the tape IO
request.
CAUSE The device encountered an error during IO execution. It
could be a medium, device or hardware error, or a driver
internal error.
ACTION Make sure the medium and device are in a proper state.
For example, check for device power, tape positioning,
medium misload ... etc... If nothing wrong with the device
and medium, then you should contact Hewlett-Packard for
support.
1502 MESSAGE A tape IO request failed because a write
access was denied.
CAUSE Either the medium is protected from write access, or the
process does not have write access to the device.
ACTION Make sure the process has write access to the device and
the medium is not write protected.
1503 MESSAGE The device is not ready for executing this
tape IO request.
CAUSE Either the device is not online, or the device is not in a
state ready to execute this IO request.
ACTION Make sure the device is on line and the medium is readily
positioned.
1504 MESSAGE A tape IO request failed because the
attempted device operation is not supported
by the operating system.
CAUSE Either the requested device operation is not valid for this
device, or a file system internal error was encountered.
ACTION Make sure the requested IO operation is valid for this
device. If so, contact Hewlett-Packard for support.
1505 MESSAGE An attempt to backspace failed because the
medium is already positioned at its
beginning.