Gerd, Can you check if the files are available in the backend but not accessible from the mountpoint or, have gone missing altogether? Avati On Fri, Apr 15, 2011 at 12:49 AM, Gerd W. Naschenweng < gerd.naschenweng at bidorbuy.co.za> wrote: > This is highly frustrating and we notice that uploaded images disappear > after users upload images. > > Background: > Latest version of Gluster running on CentOS 64bit > We have two replicated bricks > The volume is mounted via NFS on our image servers (10.0.0.210:/shared_images > /data nfs defaults,_netdev 0 0 / 10.0.0.211:/shared_images > /data nfs defaults,_netdev 0 0) > The image servers run CentOS 64bit and use Apache HTTP and Tomcat as the > application server > Users upload images via the web and Tomcat writes the file with a unique > name to the NFS file-system > We use ImageMagick mogrify to resize the image. This takes a few > milliseconds (see log-file entry below) > In certain instances images go missing some time after the upload (the > users typically check their uploads and the images seem to disappear hours > afterwards) > > > Gluster configuration: > Type: Replicate > Status: Started > Number of Bricks: 2 > Transport-type: tcp > Bricks: > Brick1: 10.0.0.210:/data > Brick2: 10.0.0.211:/data > Options Reconfigured: > performance.cache-size: 1000MB > performance.cache-refresh-timeout: 5 > performance.io-cache: on > performance.read-ahead: off > performance.io-thread-count: 16 > performance.stat-prefetch: on > performance.write-behind: off > performance.quick-read: on > > > http://images.bidorbuy.co.za/user_images/974/931974_110412195059_RSA_REDCross.jpg > M/M 12/04/11 19:51:12 ajp-127.0.0.1-8009-2 ImageUploadInterface Optimised > Image with : mogrify -resize 500 -quality 75% > /home/prodza/webapp/user_images/974/931974_110412195059_RSA_REDCross.jpg > M/M 12/04/11 19:51:12 ajp-127.0.0.1-8009-2 > IMAGEUPLOAD:uploadms:12812:compressms:160:uploadbytes:169494:compressbytes:26924:filepath:/home/prodza/webapp/user_images/974/931974_110412195059_RSA_REDCross.jpg > M/M 12/04/11 19:51:12 ajp-127.0.0.1-8009-2 ImageUploadInterface Loaded > Image:User:931974:Size:169494:Time:12975: > http://images.bidorbuy.co.za/user_images/974/931974_110412195059_RSA_REDCross.jpg > > > http://images.bidorbuy.co.za/user_images/974/931974_110412223337_VerwoerdFS.jpg > M/M 12/04/11 22:33:53 ajp-127.0.0.1-8009-1 ImageUploadInterface Optimised > Image with : mogrify -resize 500 -quality 75% > /home/prodza/webapp/user_images/974/931974_110412223337_VerwoerdFS.jpg > M/M 12/04/11 22:33:53 ajp-127.0.0.1-8009-1 > IMAGEUPLOAD:uploadms:16245:compressms:320:uploadbytes:218430:compressbytes:168941:filepath:/home/prodza/webapp/user_images/974/931974_110412223337_VerwoerdFS.jpg > M/M 12/04/11 22:33:53 ajp-127.0.0.1-8009-1 ImageUploadInterface Loaded > Image:User:931974:Size:218430:Time:16569: > http://images.bidorbuy.co.za/user_images/974/931974_110412223337_VerwoerdFS.jpg > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gluster.org/pipermail/gluster-users/attachments/20110418/2fcfd473/attachment.htm>