发明授权
US5828821A Checkpoint restart method and apparatus utilizing multiple log memories
失效
检查点重新启动方法和使用多个日志存储器的设备
- 专利标题： Checkpoint restart method and apparatus utilizing multiple log memories
- 专利标题（中）： 检查点重新启动方法和使用多个日志存储器的设备
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申请号： US665542申请日： 1996-06-18
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公开(公告)号： US5828821A公开(公告)日： 1998-10-27
- 发明人: Satoshi Hoshina , Hiroshi Sakai , Hideaki Hirayama , Shigefumi Ohmori , Takahiro Fujii , Yoshio Masubuchi
- 申请人： Satoshi Hoshina , Hiroshi Sakai , Hideaki Hirayama , Shigefumi Ohmori , Takahiro Fujii , Yoshio Masubuchi
- 申请人地址： JPX Kawasaki
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： JPX Kawasaki
- 优先权： JPX7-151735 19950619; JPX7-341839 19951227
- 主分类号： G06F15/16
- IPC分类号： G06F15/16 ; G06F11/14 ; G06F12/08 ; G06F15/177 ; G06F11/34
摘要：
Log memories for recording updated history of a main memory are provided. CPUs record the updated history of the main memory to either of the log memories and writes context thereof and content of a cache memory to the main memory at a checkpoint acquisition. The updated history of the main memory is switched from one of CPUs that has finished a checkpoint processing to other one of the log memories in which the CPUs do not use to record the updated history of the main memory. Normal processing is restarted without waiting for finishing the checkpoint acquisition of the other ones of CPUs.
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