[Gluster-users] Difference in transltors and a question about live heal

Basavanagowda Kanur gowda at zresearch.com
Sun Feb 22 17:44:37 UTC 2009


On Sun, Feb 22, 2009 at 11:06 PM, Jeffry Molanus
<jeffry.molanus at gmail.com>wrote:

> On Sun, 2009-02-22 at 21:34 +0530, Basavanagowda Kanur wrote:
> > Davide,
> >   Replies inline.
> >
> > On Sun, Feb 22, 2009 at 2:24 PM, Davide D'Amico
> > <davide.damico at gmail.com> wrote:
> >         Hi,
> >         I was looking for a scalable-ha nfs storage solution and
> >         glusterfs seems to be
> >         the only out there :-)
> >
> >         I was reading the documentation and I cannot find the
> >         difference
> >         between "Replicate
> >         Translator" and "HA Translator": the latest seems to be a
> >         particular case of the
> >         first one when I have only two bricks. Is it right?
> > Replicate translator provides replication feature, whereas HA (High
> > Availability) translator provides high availability, HA does not do
> > any replication.
> >
> >
>
> Care to explain how it does work then? How can a file be HA if the
> server that went down is not replicated?

HA is useful when you have multiple network interconnect to the server and
you want glusterfs to continue working seemlessly, then you would use HA. HA
fails over to secondary interconnect, if primary fails.

>
>
>
> >         I intend to create a scalable nfs cluster, so I can add
> >         storage nodes
> >         to increase
> >         storage size: have I to use unify on top of AFR translator
> >         (i.e. unify
> >         on a replicated
> >         volume?).
> > you can use 'distribute' (formerly DHT) translator over AFR.
> >
> >
> >
> >         I've read that glusterfs has problems with self-healing and
> >         opened
> >         files: is it true?
> >
> >
> >         Thanks in advance,
> >
> >         --
> >         d.
> >
> >         _______________________________________________
> >         Gluster-users mailing list
> >         Gluster-users at gluster.org
> >         http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users
> >
> >
> >
> > --
> > Gowda
> > _______________________________________________
> > Gluster-users mailing list
> > Gluster-users at gluster.org
> > http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users
>
>


-- 
Gowda
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