I certainly hope you get an answer, as this has happened to me as well in the past (although on a smaller scale). I will follow this thread closely in the hope you get an answer with interesting information. On Apr 18, 2010, at 9:40 AM, Robert Minvielle wrote: > > 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