On 06/09/11 2:24 AM, Emmanuel Noobadmin wrote:
Alternatively, if I mdraid mirror the existing disk, would md be smart enough to read using the other disk while the first's tied up with the first process?
that woudl be my first choice, and yes, queued read IO could be satisfied by either mirror, hence they'd have double the read performance.
next step would be a raid 1+0 with yet more disks.