Is it good or bad to use ZFS for hosting a database? This article alludes to a claim that ZFS has fragmentation issues: http://antydba.blogspot.com/2010/02/mon

Is it good or bad to use ZFS for hosting a database? This article alludes to a claim that ZFS has fragmentation issues: http://antydba.blogspot.com/2010/02/mongodb-backup-with-zfs.html http://antydba.blogspot.com/2010/02/mongodb-backup-with-zfs.... Because ZFS is a copy-on-write filesystem, Eliot Horowitz says he wouldn't use it for a database: http://groups.google.com/group/mongodb-user/msg/731111475835e8ca http://groups.google.com/group/mongodb-user/msg/731111475835... However, a controverting opinion is offered by Jason J. W. Williams, who claims that ZFS works well with large MySQL installs: http://groups.google.com/group/mongodb-user/msg/e94712bc287ae3c0 http://groups.google.com/group/mongodb-user/msg/e94712bc287a... [edit: Updated links]