[Ocfs2-users] migration methods (ocfs <-> ocfs2)

Mehmet Can ÖNAL mconal at fintek.com.tr
Wed Aug 27 23:40:18 PDT 2008


Oh i'm sorry you said "a year ago".

By the way what about the backup/restore operation? Could i restore my backup from ocfs2 formatted data to ocfs volume?

-----Original Message-----
From: Ulf Zimmermann [mailto:ulf at openlane.com] 
Sent: Wednesday, August 27, 2008 8:52 PM
To: Sunil Mushran; Mehmet Can ÖNAL
Cc: ocfs2-users at oss.oracle.com
Subject: RE: [Ocfs2-users] migration methods (ocfs <-> ocfs2)

> 
> No, the fscat tools can only read certain unmounted file systems.
> They cannot write. You can use it to copy data from ocfs
> to ocfs2 on a box running the 2.6 kernel (sles9/10, el4/5).

And when we tried to use fscat about a year ago to read our OCFS volumes on a RHEL4 machine it wasn't working. The source code itself had to be updated and as far I know that has not happened. I had email contact with Joel Becker and he said he would look into it, but it never happened.

> 
> Mehmet Can ÖNAL wrote:
> >
> > Hi everyone;
> >
> >
> >
> > we have a production system with 6 nodes of RAC upon ocfs file
> system.
> > We will upgrade our production system that we prefer and (also
> should)
> > to migrate our data to ocfs2. Both methods of migration, fscat and
> > backup/restore could be useful for us but one thing that we could not
> > find is
> >
> > 1)       If we are using fscp fort he migration method can we use
> fscp
> > to pass data from ocfs to ocfs2. is fscp biwise, it can copy either
> > ocfs to ocfs2 and also ocfs2 to ocfs?
> >
> > 2)       For backup/restore the doubt is the same. We can restore
> ocfs
> > backup to an ocfs2, could we also restore ocfs2 backup to an ocfs
> volume?
> >
> > Thanx a lot

Ulf Zimmermann | Senior System Architect

OPENLANE
4600 Bohannon Drive, Suite 100
Menlo Park, CA 94025

O: 650-532-6382  M: (510) 396-1764  F: (510) 580-0929

Email: ulf at openlane.com | Web: www.openlane.com




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