[Gluster-devel] The "df" command again
Krishna Srinivas
krishna at zresearch.com
Tue May 6 15:02:19 UTC 2008
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
More information about the Gluster-devel
mailing list