upgrade 2.0.2 to 2.0.9?

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I have a test cluster running 2.0.9, I am happy with that and it works. 
The clients all have correct settings... moving the data is not really
an option. We are talking about 27+TB here. I copied it to the test cluster
as a backup, that took 4 days. I don't have enough room on each brick to
do a /data/export.old. 

Funny thing is, I did this on the test cluster and it worked. I recall
the gluster team had told me to do something different back then, but
I don't have that email. Again, each bricks export is over 50%, so I
can not make a copy and then copy it back. Copying it all to the backup
cluster and back would take over a week. Even a sync takes three days,
so I am kindof in a jam to figure this out without moving data. 



----- "Count Zero" <countz at gmail.com> wrote:

> Make sure all your clients know about all your bricks, make sure the
> hostnames are correct, etc.
> Make sure there's communications between the nodes, on the glusterfs
> prort.
> And at worst, move the /data/export directory to /data/export.old and
> make a new /data/export
> Remount on all servers, and run some tests (perhaps with bonnie++).
> 
> Once you are happy with the performance and functionality, move the
> files in /data/export.old/ back to /data/export by copying them over.
> 
> 
> 
> On Apr 18, 2010, at 9:25 AM, Robert Minvielle wrote:
> 
> > Yes, tried that. Same thing. 
> > 
> > I thought I recalled that would fix it... but it seems to not
> > work. 
> > 
> > ----- "Count Zero" <countz at gmail.com> wrote:
> > 
> >> If I remember correctly, the suggestion was to type: ls -lR
> >> (You do this from your mounted directory).
> >> 
> >> In theory, this forces glusterfs to update/heal/etc.
> >> 
> >> Aric
> >> 
> >> 
> >> On Apr 18, 2010, at 9:07 AM, Robert Minvielle wrote:
> >> 
> >>> 
> >>> I have two glusters, a production and test gluster. A while back,
> I
> >> upgraded the
> >>> test gluster from 2.0.2 to 2.0.9 with no problems. Both glusters
> are
> >> running gentoo,
> >>> same version, same kernel. The client saw all of the files,
> >> everything worked.
> >>> 
> >>> Over this weekend I upgraded the main production gluster, as we
> are
> >> trying to get some
> >>> more speed and I was told by the gluster team some time ago to
> try
> >> out 2.0.9 to cure
> >>> a few problems. I did the same exact upgrade that I did on the
> test
> >> gluster.
> >>> Now that I am done, I can mount it fine and I get no errors in
> the
> >> logs, however,
> >>> most (e.g. 85%) of my files are missing, or I get a "cannot
> access
> >> /data/blah/blah no
> >>> such file or directory". The files exist on the server in the
> >> exported directory,
> >>> but the client does not see some of them. I recall there was
> >> something I had to do
> >>> to fix this perhaps... I can not recall what it is.
> >>> 
> >>> Anyone have any ideas? (other than shutting down work tomorrow,
> >> ugh)
> >>> 
> >>> At this time I may be forced to back off to 2.0.0... hope that
> works
> >> :O
> >>> _______________________________________________
> >>> Gluster-users mailing list
> >>> Gluster-users at gluster.org
> >>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users


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