[email protected] wrote: > > I have a strange dd problem when running the dd command on brand new hard > drives. > If I DD to a hard drive that has been previously used, the DD takes about 35 > minutes. > If I clone to a completely brand new drive, the DD takes over 100 minutes. > If I immediately run the DD command again, on the same set of drives, the DD > now only takes 35 minutes.
Very unlikely to be anything to do with dd. Are these SSDs ? What block size are you using? What size are the disks. What kernel version are you using. Maybe `strace -e write -T dd ...` might point to something. cheers, Pádraig.
