On Mar 12, 2010, at 6:31 AM, Bob Friesenhahn wrote: > On Thu, 11 Mar 2010, Kashif Mumtaz wrote: >> >> We are facing an issue while enabling DIRECT_IO for the DB chunks. >> >> The error message which appears in the online.log file is "Direct I/O cannot >> be used for the chunk file <file_name>" >> >> Kindly help me in this regard .How can I overcome this > > ZFS does not support DIRECT_IO. UFS does.
Also, directio is an overloaded term. It means different things to different software. The best approach is to identify your requirements and determine which features are best suited for those requirements. -- richard ZFS storage and performance consulting at http://www.RichardElling.com ZFS training on deduplication, NexentaStor, and NAS performance Atlanta, March 16-18, 2010 http://nexenta-atlanta.eventbrite.com Las Vegas, April 29-30, 2010 http://nexenta-vegas.eventbrite.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
