[CentOS] Growing HW RAID arrays, Online

Sat Feb 22 01:05:01 UTC 2014
John R Pierce <pierce at hogranch.com>

On 2/21/2014 4:50 PM, Phoenix, Merka wrote:
> Both the LV and the filesystem can be resized "on the fly" without rebooting, but you still have to unmount the filesystem first before resizing either.

this is not true for XFS, you can grow XFS online without unmounting it, 
with live activity.   just extend the LV, then xfs_grow /path/to/volume 
and it picks up the new size and adjusts the file system to suit, live 
and on the fly.

john r pierce                                      37N 122W
somewhere on the middle of the left coast