发明名称 |
ALLOCATE-ON-WRITE SNAPSHOT MECHANISM TO PROVIDE DYNAMIC STORAGE TIERING ON-LINE DATA PLACEMENT FOR VOLUMES |
摘要 |
<p>System and method for dynamic storage tiering are disclosed. A storage hot-spot in a first storage pool is detected. A first point-in-time copy of a virtual volume including the storage hot-spot is created in a second storage pool according to the detecting. Write requests directed to the virtual volume are redirected to the second storage pool. When decreased I/O activity directed to the storage hot-spot in the second storage pool is detected, the point-in-time copy in the second storage pool is reintegrated into at least one of a second point-in-time copy or the virtual volume.</p> |
申请公布号 |
EP2382549(A1) |
申请公布日期 |
2011.11.02 |
申请号 |
EP20090839380 |
申请日期 |
2009.03.31 |
申请人 |
LSI CORPORATION |
发明人 |
JESS, MARTIN;DEKONING, RODNEY, A.;MCKEAN, BRIAN |
分类号 |
G06F13/00;G06F3/06 |
主分类号 |
G06F13/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|