发明名称 |
Device for, method of, and program for dynamically switching modes for writing transaction data into disk |
摘要 |
A data writing device capable of dynamically switching between a write-through mode and a write-behind mode for writing transaction data into a disk including: a memory with a queue management table for managing a write disk queue and a write memory queue to store the transaction data; means for registering the write memory queue in the table when load exceeds a predetermined threshold value, and for deleting the write memory queue in the table when the load is below the predetermined threshold value; means for receiving the transaction data stored in the write disk queue, and writing the received transaction data into the disk; and means for receiving the transaction data stored in the write disk queue, and writing the received transaction data into a redundant memory.
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申请公布号 |
US7490179(B2) |
申请公布日期 |
2009.02.10 |
申请号 |
US20060517684 |
申请日期 |
2006.09.08 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
NEYAMA RYOH;OZAWA YOHSAKE;YAMAMOTO GAKU |
分类号 |
G06F3/00;G06F13/00 |
主分类号 |
G06F3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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