[Gluster-devel] The "df" command again

[Krishna Srinivas]

On Fri, May 2, 2008 at 6:33 AM, Brandon Lamb <brandonlamb at gmail.com> wrote:
> On Thu, May 1, 2008 at 5:59 PM, Amar S. Tumballi <amar at zresearch.com> wrote:
>  > On Thu, May 1, 2008 at 5:37 PM, Brandon Lamb <brandonlamb at gmail.com> wrote:
>  > > Was there an option added somewhere to be able to choose whether to
>  > > dispaly the least or most amount of disk space? I added info on this
>  > > to the AFR things to know on the wiki, but I was wondering if maybe
>  > > there was actually an option of how glusterfs displays that info.
>  > >
>  > There is no behavior option for 'df' in glusterfs. Its a question of what is
>  > right. For example,
>  > * unify shows unified space.
>  > * stripe shows unified space.
>  > * afr shows 'df' from one node.
>  >
>  > So, here we don't have any doubts about what to show in case of unify and
>  > stripe. But in afr the question of which subvolume comes. Earlier as user
>  > had the option of 'option replicate *' in afr, showing the df of first
>  > subvolume made sense. But with uniform distribution of afr data now, we have
>  > to show the 'df' from the subvolume which had minimum free disk.
>  >
>  > Currently 1.3.8 shows df from first subvolume. But, the patch to show the
>  > 'df' from the subvolume with min free disk space has gone into archive.
>
>  So to clarify, the wiki should be changed from
>
>  When doing a "df -h" on a client, the AVAILABLE disk space will
>  display the maximum disk space of the servers in the cluster. So if
>  you have two servers with 50 gigs and 100 gigs of free disk space, you
>  will see 100 gigs available even though one server only has 50 gigs
>  free
>
>  to this?
>
>  When doing a "df -h" on a client, the AVAILABLE disk space will
>  display the maximum disk space of the first AFR sub volume defined in
>  the spec file. So if you have two servers with 50 gigs and 100 gigs of
>  free disk space, and the server with 100 gigs is listed first, then
>  you will see 100 gigs available even though one server only has 50
>  gigs free
>
>

No, Amar checked in a fix to show the disk with least disk space.
So 50 gigs will show up.

Krishna