Am 02.08.2015 um 19:12 schrieb Ken Smith <kens at kensnet.org>: > Chris Murphy wrote: >> On Sat, Aug 1, 2015 at 3:34 PM, Robert Nichols >> <rnicholsNOSPAM at comcast.net> wrote: >>> On 08/01/2015 12:05 PM, Chris Murphy wrote: >>> >>> The problem with gparted is that it works only in units of megabytes. >>> There is no way to move a partition to a particular sector or, for >>> that matter, do much of anything _exactly_. >> I'm not sure why granularity finer than 1MiB is necessary. But setting >> that aside, with a rotational drive with 4KiB sectors, you're better >> off with 1MiB alignment than not being 4KiB aligned at all. Depending >> on the drive and workload misalignment can cause a brutally bad >> performance hit. And if it doesn't then I wouldn't worry about >> changing anything. >> > Thanks everyone. That's the advice I need. The partition is ext4. I'll copy it to other media and rearrange the partitions and copy it back. > the alignment can be checked with: blockdev --getalignoff /dev/foo if a '0' is returned, the partition is aligned -- LF