Method of identifying magnetic tape as tape for journal
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United States of America Patent
Stats
-
Mar 24, 1987
Grant Date -
N/A
app pub date -
Sep 29, 1983
filing date -
Sep 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the on-line system, information called journal indicative of the hysteresis of process are written in turn in magnetic tape. At each process, journal information is added with information indicative of journal and the date on which the journal information was written. At the time of system resuming process after system down, the information added to journal at each process is read in order that the magnetic tape being read is decided to have recorded thereon the journal to be used for the system resuming process.
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