Yes, We use it for 4 months on our backup server, we no issue at the moment. We have a lot of files, ext4 increase the backup speed. The backup time is now 3hours, and was 5 hours with ext3. Le 21/12/2010 21:22, Matt a écrit : > Is ext4 stable on CentOS 5.5 64bit? I have an email server with a > great deal of disk i/o and was wandering if ext4 would be better then > ext3 for it? > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos