[CentOS] OT: Caching synchronous writes

Ray Van Dolson wrote:

> The "delayed allocation" features in ext4 (and xfs, reiser4) sound
> interesting.  Might give a little performance boost for synchronous
> write workloads....

Doesn't delayed allocation defeat the purpose of a synchronous write?

I think what you want is a proper storage array with mirrored write
cache.

nate