Interface and RAID Internals
This lesson briefly discusses the interface presented by RAID and its internal architecture.
We'll cover the following...
To a file system above, a RAID looks like a big, (hopefully) fast, and (hopefully) reliable disk. Just as with a single disk, it presents itself as a linear array of blocks, each of which can be read or written by the file system (or another client).
When a file system issues a logical I/O request to the RAID, the RAID ...