发明名称 |
STORAGE SYSTEM CREATING A RECOVERY REQUEST POINT ENABLING EXECUTION OF A RECOVERY |
摘要 |
A switch connected to a network system including a computer and a storage apparatus: controlling read/write request from the computer to the storage apparatus and controlling to store journal data in the storage apparatus; wherein the storage apparatus includes a first storage area for storing data to be used by the computer and a second storage area for storing journal data including write data and first update log information corresponding to the write data when there is a write request from the computer for writing data in the first storage area; wherein when the switch detects an event of status change related to the network system, the switch marks a first point of time corresponding to the event as a recovery request point, and creates second update log information corresponding to the recovery request point.
|
申请公布号 |
US2009276661(A1) |
申请公布日期 |
2009.11.05 |
申请号 |
US20090500986 |
申请日期 |
2009.07.10 |
申请人 |
DEGUCHI AKIRA;EGUCHI YOSHIAKI;NINOSE KENTA |
发明人 |
DEGUCHI AKIRA;EGUCHI YOSHIAKI;NINOSE KENTA |
分类号 |
G06F11/14 |
主分类号 |
G06F11/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|