11-06-2009
IMO 'NFS as a unix service' means the NFS shares are supplied by a Unix server, 'NFS attached to NAS' means the shares are supplies by a NAS device (typically NetApp).
Direct NFS means the Operating Stack is bypassed and Oracle uses a raw TCP/IP socket and to handle NFS itself, which can lead to quite significant performance increases.. Direct NFS is also only supported with NFS attached to NAS.
Since you are setting up a test, you can set it up any way you like whether it is supported by Oracle or not. Just do not carry that setup over to production.
S.
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LEARN ABOUT SUNOS
nfs4cbd
nfs4cbd(1M) nfs4cbd(1M)
NAME
nfs4cbd - NFS Version 4 callback daemon
SYNOPSIS
/usr/lib/nfs/nfs4cbd
The nfs4cbd daemon manages communication endpoints for the NFS Version 4 protocol callback program. nfs4cbd runs on the NFS Version 4
client and creates a listener port for each transport over which callbacks can be sent.
The nfs4cbd daemon is provided for the exclusive use of the NFS version 4 client.
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnfscu |
+-----------------------------+-----------------------------+
svcs(1), mount_nfs(1M), svcadm(1M), attributes(5), smf(5)
The nfs4cbd service is managed by the service management facility, smf(5), under the service identifier:
svc:/network/nfs/cbd
Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The ser-
vice's status can be queried using the svcs(1) command.
If it is disabled, it will be enabled by mount_nfs(1M) and automountd(1M) on the first NFSv4 mount, unless its application/auto_enable
property is set to false.
This daemon might not exist in a future release of Solaris.
11 Apr 2005 nfs4cbd(1M)