6760 ServerNet/DA Manual

Operating the 6760 ServerNet/DA
6760 ServerNet/DA Manual—424879-003
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Example: STATUS TAPE Detailed Report
REEL Reel buffering is performed on tape writes
(even file marks are buffered). This
means that an application might have to
rewrite the whole reel if an unrecoverable
error occurs during a write.
CheckSum Mode shows the current checksum method in use. Values can be:
CHECKSUM Checksum processing is performed when
a record is read (the checksum of the
record is appended to the record after it is
read). The tape process computes the
checksum of the record that it reads and
appends it to the end of the record. On a
successful read, an FESUMREADOK
message is returned (instead of an FEOK).
NORMAL I/O No special checksum processing is
performed.
Compression shows whether compression for the tape drive is active (ON) or
not (OFF).
Density shows the configured tape density for the tape drive.
Media Type shows the type of media in the tape drive. The type of media
can be undetermined (UNKNOWN) or one of the standard
types (9-TRACK, 18-TRACK, or 36-TRACK).
Opens shows the maximum number of concurrent opens to the tape
process.
RecSize shows the configured record size for the tape drive (in bytes).
Short Write Mode shows how the tape process handles write requests of less than
24 bytes of data. Values can be:
ALLOWED,
NONPADDED
Short writes are allowed (no data padding
is performed).
ALLOWED,
PADDED
Short writes are allowed (but data is
padded with zeros to a length of 24 bytes).
NOT ALLOWED Short writes are not allowed.
UNSUPPORTED Short writes are not supported for this tape
drive.
SubType shows the device subtype of the tape drive, which varies by
tape drive model and function. Subtypes are described under
the topic FILE_GETINFOLIST_Procedure in the Guardian
Procedure Calls Reference Manual.