It's a bit more than RAID level. It's how filesystem is organized and the principles of ZFS. Some time ago I found those references interesting from performance perspective: http://blogs.sun.com/realneel/entry/zfs_and_databases http://blogs.sun.com/roch/date/20060922 However, the comparison is not with RAID but with another filesystem, UFS. Here is the nice overview but it doesn't really go into internals to understand what are the potential issues: http://www.sun.com/bigadmin/features/articles/zfs_overview.jsp On Nov 6, 2007 12:16 AM, DBA Deepak <oracle.tutorials@xxxxxxxxx> wrote: > Hi Experts, > > Would like to know whether there are any negatives to using Solaris ZFS file > system for Oracle 10g DB. > Does ZFS outperforms the traditional RAID 10 configurations as far as Oracle > DB operations are concerned? > > -- > Regards, > > Deepak > Oracle DBA -- Alex Gorbachev, Oracle DBA Brewer, The Pythian Group http://www.pythian.com/blogs/author/alex http://www.oracloid.com BAAG party - www.BattleAgainstAnyGuess.com -- //www.freelists.org/webpage/oracle-l