Am I missing something here... ? It was my understanding that with a RAID setup, it was possible to increase performance (not taking into account reliability) above that of a single disk. Let's say I ...

What were your mdadm parameters? You spent some time tweaking ZFS, but no time tweaking mdadm? mdadm out of the box does not have very convincing performance, as we ...

Bacula Systems, a global leader in high-security, high-performance backup and recovery solutions, today announced its latest Use Case: native integration and interoperability with the ZFS file system.