发明名称 |
Apparatus and method of cascading backup logical volume mirrors |
摘要 |
A method, system and apparatus for cascading backup mirrors are provided. A mirroring map is created. The mirroring map includes at least three mirrors. A first mirror of the three mirrors is set to synchronize to a second mirror and a third mirror is set to synchronize to the first mirror. The first and the third mirror are backup mirrors and the second mirror is a working mirror. One of the backup mirrors is located remotely and the other locally.
|
申请公布号 |
US2003191916(A1) |
申请公布日期 |
2003.10.09 |
申请号 |
US20020116518 |
申请日期 |
2002.04.04 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
MCBREARTY GERALD FRANCIS;MULLEN SHAWN PATRICK;SHIEH JOHNNY MENG-HAN |
分类号 |
G06F12/00;G06F12/08;G06F12/16;H04L1/22;(IPC1-7):H04L1/22 |
主分类号 |
G06F12/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|