On Tue, Jun 14, 2011 at 6:25 PM, Juan Sierra Pons <juan@elsotanillo.net> wrote: > Can you make some test with hdparm in both disks (to see disk performance)? > > I think the problem can be located in the I/O disk part as it happens > when copying data (or rsnapshot is running) from two differents disks Which test do you recommend with hdparm? hdparm -Tt ?