[Gluster-users] Unify and single namespace

[Raghavendra G]

yes.

On Wed, Dec 3, 2008 at 6:08 PM, a s p a s i a <aspasia.sf at gmail.com> wrote:

> thanks for the response!!!
>
>
> >
> > Its not clear what do you mean by "dedicated server". All it needs is to
> > have the filesystem which has enough space to hold namespace cache (which
> is
> > small compared to actual data) and which can support large number of
> inodes
> > (the whole directory structure of unify is replicated on this node with 0
> > byte sized files).
> >
>
> ok, so namespace cache can be defined in the same server as any
> storage node brick ...such as:
>
> storage brick1  ----------- storage brick 2 ------------ storage brick
> 3 ----------   storage brick4
> glusterfsd vol                glustervsd vol
> glusterfsd vol                glusterfsd vol
> namespace cache
>
> pls confirm.
>
> thanks again!
>
> - a.
>
>
> >>
> >>
> >>
> >> •       LINE 5: "option namespace namespace-child"
> >> The option specifies that namespace-child should be used as a place
> >> where the whole filesystem's namespace (ie, directory/file tree
> >> structure) is maintained. Here 'namespace-child' needs to be another
> >> volume which is already defined in the spec.
> >> 'namespace-child' is configured like another server brick, except that
> >> it's content is used to manage namespace. It should not be listed
> >> along with the other subvolumes.
> >> •       LINE 6: "subvolumes child1 child2 child3 child4"
> >> Here 'subvolumes' is an identifier for parser to tell that following
> >> volumes are the 'children' nodes for current volume. 'subvolumes'
> >> takes one or more volume names as argument. Here child1, child2,
> >> child3, child4 are also named as storage nodes as these are the nodes
> >> where actual data is storaged.
> >>
> >> ======
> >>
> >> Could someone point me to a site that potentially diagrams a summary
> >> of a simple Gluster with Unify and AFR installed?
> >>
> >> I found this site:
> >> http://ftp.zresearch.com/pub/gluster/glusterfs/talks/Z/GlusterFS.pdf -
> >> page 5 - shows the Unify stack in the client, but I still am unable to
> >> conceive where the metadata - single namespace information - is
> >> stored?
> >>
> >> I apologize if my question is quite naive, but I'm a bit confused.
> >>
> >> thanks in advanced,
> >>
> >> aspasia.
> >>
> >> _______________________________________________
> >> Gluster-users mailing list
> >> Gluster-users at gluster.org
> >> http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users
> >
> >
> > regards,
> > --
> > Raghavendra G
> >
> >
>
>
>
> --
> A S P A S I A
> . . . . . . . . . . ..
>



-- 
Raghavendra G
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