Yes in 12c DNFS works on NFSv4. In fact, NFSv4 is required if you plan to use OISP (Oracle Intelligent Storage Protocol) to talk to their ZFSSA. Although I would not suggest using the ZFSSA to run live databases yet. Should be OK for FRA uses. Don. On Thu, Oct 16, 2014 at 10:46 AM, Kevin Jernigan <kevin.jernigan@xxxxxxxxxx> wrote: > As of Oracle Database 12c, dNFS works with both NFSv3 and NFSv4...KJ > > -- > Kevin Jernigan > Senior Director Product Management > Advanced Compression, Hybrid Columnar > Compression (HCC), Database File System > (DBFS), SecureFiles, Database Smart Flash > Cache, Total Recall, Database Resource > Manager (DBRM), Direct NFS Client (dNFS), > Continuous Query Notification (CQN), > Index Organized Tables (IOT), Information > Lifecycle Management (ILM)+1-650-607-0392 (o)+1-415-710-8828 (m) > > On 10/16/14, 8:37 AM, Hameed, Amir wrote: > > I don’t believe DNFS is certified to work with NFSv4. > > > > *From:* oracle-l-bounce@xxxxxxxxxxxxx [ > mailto:oracle-l-bounce@xxxxxxxxxxxxx <oracle-l-bounce@xxxxxxxxxxxxx>] *On > Behalf Of *Hans Forbrich > *Sent:* Thursday, October 16, 2014 11:30 AM > *To:* oracle-l@xxxxxxxxxxxxx > *Subject:* Re: Is filesystemio_options relevant when the database is on > ASM ? > > > > On 16/10/2014 3:35 AM, Frits Hoogland wrote: > > When using NFS underneath ASM, I've witnessed filesystemio_options being > honoured by the database, which means it needs setting it to 'setall' for > the combination AIO+DIO. Which makes sense, because you need to create a > file on a (NFS) filesystem to be used as ASM disk device. > > Then it becomes important to know which NFS? > > I believe DNFS behaves different than standard NFSv3 which may be > different again from NFSv4 > > /Hans > > > -- Don Seiler http://www.seiler.us