[Techtalk] xfs repartitioning

[A. Mani]

On Sat, Oct 17, 2015 at 7:14 AM, Meryll Larkin <mll at alwanza.com> wrote:

> I have a new server that was formatted with a completely empty xfs 80T file
> system (CentOS 6).
>
> The OS and boot partitions are on different HD completely.

Good

>
> I would like to reformat the 80T partition into 4 20T partitions - I need
> guidance with this.  Anyone?
>
> It is OK to completely destroy the 80T xfs partition first, but I need to
> end up with 4 approximately 20 T  xfs partitions.
>

Boot from system rescue cd

delete 80T partition and create the new partitions and then format
each partition and check

use gparted

use labels on the partitions too

Nothing special



> I am NOT a novice at all, but I am new at such large drives and xfs.  For
> example, I thought that I could use familiar fdisk (wrong).

parted or gparted would be optimal.

You must be having a nice partition table already.


> After an XFS file system is created, its size cannot be reduced.
>
> How about destroyed and remade into smaller partitions??

Yes, that is the way.


You can do all of this from within your running system, but I don't
know your processes.


Best

A. Mani



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