[CentOS] 40TB File System Recommendations

Sat Apr 16 00:07:44 UTC 2011
Christopher Chan <christopher.chan at bradbury.edu.hk>

> As matter of interest, does anyone know how to use an SSD drive for cach
> purposes on Linux software RAID  drives? ZFS has this feature and it
> makes a helluva difference to a storage server's performance.

You cannot. You can however use one for the external journal of ext3/4 
in full journaling mode for something similar.