[CentOS] OT - parted guidance

[Ken Smith]

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:
>>> parted fs resize is deprecated.
>>> http://savannah.gnu.org/forum/forum.php?forum_id=6837
>>> parted fs move can only move a partition into free space
>>> https://www.gnu.org/software/parted/manual/html_node/move.html
>>>
>>> The thing to do here is use gparted live or Fedora live media and
>>> yum/dnf install gparted. It has a move/resize option that will do what
>>> the OP wants.
>>
>> 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.

Ken

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