Information Storage Management 认证题库题解系列 题27

 

Work:

Cache vaulting

The process of dumping the contents of cache into a dedicated set of physical disks during a power failure.

 

Cache mirroring

Each write to cache is held in two different memory addresses on two independent memory boards.

 

Low watermark

The point at which the storage system stops the forced flushing and returns to idle flush behavior.

 

Pre-fetch (read ahead)

In a sequential read request, a contiguous set of associated disk blocks that have not yet been requested by the host is read from the disk, and placed in cache in advance.

 

Answer:

Cache vaulting