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

318 Chapter4
Error Messages V i C 4
CS80 Disk Manager
CS80 Disk Manager
(Subsystem 121)
1 MESSAGE Only the user-specified length of data was
transferred; however, the DEVICE MANAGER
attempted to transfer more for some reason.
CAUSE User requested a data transfer, but the buffer supplied
was zero bytes long.
ACTION Call your support representative.
2 MESSAGE UNLOCK Request was received; however, the
DEVICE MANAGER was already unlocked.
CAUSE Diagnostics attempted to UNLOCK the Device Manager
unnecessarily.
ACTION Call your support representative.
3 MESSAGE RELEASE is ALLOWED for operator requests;
therefore, the disk pack is allowed to be
dismounted.
CAUSE The front panel button used to spin down a disk pack is
disabled.
ACTION None.
4 MESSAGE RELEASE will be denied for operator requests;
therefore, the disk pack can not be
dismounted.
CAUSE The front panel button used to spin down a disk pack is
disabled.
ACTION None.
5 MESSAGE A DEVICE UNLOCK was requested, but the device
was not locked.
CAUSE Device reservation for exclusive access was removed
unnecessarily.
ACTION None.
6 MESSAGE DEVICE LOCK was requested, but the device was
already locked by this host.
CAUSE Device reservation for exclusive access attempted, but it