Re: Questions about XFS

Eric Sandeen
2013-10-25T14:57:57Z

On 10/25/13 9:42 AM, Emmanuel Florac wrote:
> Le Fri, 25 Oct 2013 22:28:10 +0800
> harryxiyou <harryxiyou@gmail.com> écrivait:
>
>> 1, How to install XFS on Linux OS, I should do like below, right?
>> a, Download latest Linux Kernel Source Codes.
>> b, Compile the Linux Kernel and select XFS feature when I do the
>> configuration (make menuconfig).
>
> No, XFS is supported by all Linux distributions out of the box. To use
> XFS, you may eventually need to install the xfs-progs package.
>
>
>> 2, Does XFS support real-time feature after I install it on Linux
>> Kernel? And how to use real-time feature on Linux Kernel.
>>
>
> Yes. What do you want to do with realtime XFS?
>

well, yes and no. It supports the "realtime subvolume" which is
not really technically "realtime." It does have a more deterministic
allocator, but it doesn't have GRIO (Guaranteed Realtime I/O) like
IRIX does.

-Eric