Method of one system of a multisystem environment taking over log entries owned by another system
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United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Mar 28, 1997
filing date -
Mar 28, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
One system of a multisystem environment takes over log entries owned by another system of the environment. When a system owning entries on a primary log stream is inactive (or a sync point manager on the system is inactive), another system of the multisystem environment writes the log entries corresponding to the inactive system to other locations. The entries within the other locations are not owned by any system. Thus, the resource managers associated with those log entries are eligible for restarting on any system of the multisystem environment. However, all resource managers involved in a common set of transactions are to restart on the same system. The other resource managers can restart on another system. When one of the resource managers restarts on a system, the system takes back ownership of the entries associated with the common set of transactions.
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