在oracle環境中使用NFS，在mount的時候需要修改一些選項，否則可能導致各種問題，比如ORA-27086和ORA-27054錯

誤。不管你是將Oracle安裝在NFS設備也好，是將datafile放置在NFS設備也好，是備份到NFS設備也好，如果出現相關的錯誤，則需要檢查

下是否mount的選項有問題。一般只要用hard方式來mount的，都不會有太多問題。

以下內容引自Metalink(Doc

ID:359515.1)，適用于10.1.0.2以上版本，供參考：

RAC

In the table below

Binaries is the shared mount points where the Oracle Home and

CRS_HOME is installed.

Datafiles includes Online Logs, Controlfile and Datafiles

Operating System

Mount options for Binaries

Mount options for Oracle Datafiles

Mount options for CRS Voting Disk and OCR

Sun Solaris *

rw,bg,hard,nointr,rsize=32768,

wsize=32768,proto=tcp,

noac,vers=3,suid

rw,bg,hard,nointr,rsize=32768,

wsize=32768,proto=tcp,noac,

forcedirectio, vers=3,suid

rw,bg,hard,nointr,rsize=32768,

wsize=32768,proto=tcp,vers=3,

noac,forcedirectio

AIX (5L) **

rw,bg,hard,nointr,rsize=32768,

wsize=32768,proto=tcp,vers=3,

timeo=600

cio,rw,bg,hard,nointr,rsize=32768,

wsize=32768,proto=tcp,noac,

vers=3,timeo=600

cio,rw,bg,hard,intr,rsize=32768,

wsize=32768,tcp,noac,

vers=3,timeo=600

HPUX 11.23 ****?–

rw,bg,vers=3,proto=tcp,noac,

hard,nointr,timeo=600,

rsize=32768,wsize=32768,suid

rw,bg,vers=3,proto=tcp,noac,

forcedirectio,hard,nointr,timeo=600,

rsize=32768,wsize=32768,suid

rw,bg,vers=3,proto=tcp,noac,

forcedirectio,hard,nointr,timeo=600

,rsize=32768,wsize=32768,suid

Linux x86

#

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp, vers=3,

timeo=600, actimeo=0

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,actimeo=0,

vers=3,timeo=600

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,noac,vers=3,

timeo=600

Linux x86-64 #

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,vers=3,

timeo=600, actimeo=0

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,actimeo=0,

vers=3,timeo=600

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,vers=3,

timeo=600,noac

Linux – Itanium

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,vers=3,

timeo=600, actimeo=0

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,actimeo=0,

vers=3,timeo=600

rw,bg,hard,nointr,rsize=32768,

wsize=32768,tcp,noac,vers=3,

timeo=600

* NFS mount option “forcedirectio” is required on Solaris

platforms when mounting the OCR/CRS files when using Oracle

10.1.0.4 or 10.2.0.2 or later (Oracle unpublished bug

4466428)

** AIX is only supported with NAS on AIX 5.3 TL04

and higher with Oracle 10.2.0.1 and later (NetApp)

*** NAS devices are only supported with HPUX 11.23

or higher ONLY

# These mount options are for?Linux kernels 2.6

and above for older kernels please check Note 279393.1

Due to Unpublished bug 5856342, it is necessary to use the

following init.ora parameter when using NAS

with all versions of RAC on Linux (x86 & X86-64

platforms) until 10.2.0.4. This bug is fixed and included in

10.2.0.4 patchset.

filesystemio_options = DIRECTIO

Single

Instance

Operating System

Mount options for Binaries

Mount options for Oracle Datafiles

Sun Solaris *

(8, 9, 10)

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

proto=tcp,suid

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,[forcedirectio or llock],

nointr,proto=tcp,suid

AIX (5L) **

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,intr,

timeo=600,proto=tcp

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,cio,intr,

timeo=600,proto=tcp

HPUX 11.23 ****

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,proto=tcp,suid

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,proto=tcp,suid

Linux x86

#

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,tcp

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,tcp,actime=0*

Linux x86-64 #

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,tcp

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,tcp,actime=0*

Linux – Itanium

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,tcp

rw,bg,hard,rsize=32768,

wsize=32768,vers=3,nointr,

timeo=600,tcp

* actime=0 or noac can be used

總結

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