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тАО12-18-2007 10:10 PM
тАО12-18-2007 10:10 PM
NFS clarification
When i try to create a oracle instance through dbca on a NFS filesystem on HP, the dbca hangs.. The nfs server is Linux. is there any particular option to share the filesystem on Linux where i can create database files on the NFS which has been sgared on HP-UX
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тАО12-18-2007 10:39 PM
тАО12-18-2007 10:39 PM
Re: NFS clarification
NFS3 and version 4 now uses TCP and is since much more reliable.
But NFS is slow and kills your performance.
Oracle database relies more on data integrity,if your NFS is down you lose your data and well this is not recommended unless you use vfilters (Netapp)
Using a gigabit link might help with the spped of network
To summarize , do not use NFS for your Oracle datafiles unless you use vfilers. you are asking for trouble.
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тАО12-18-2007 11:12 PM
тАО12-18-2007 11:12 PM
Re: NFS clarification
Its just for testing purpose. Nothin much of data to be there...
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тАО12-18-2007 11:24 PM
тАО12-18-2007 11:24 PM
Re: NFS clarification
My guess would be it's a file locking issue because Oracle does lots of file locking and there are known lock interoperability issues between HP-UX clients and Linux servers. A trace would certainly help validate if this is happening.
Also, as far as Oracle and NFS is concerned, there is a major push inside Oracle to dramatically increase the use of NFS with Oracle databases. HP has made many improvements to our NFS client code specifically to help Oracle perform better with NFS. There's white papers out there discussing this and everything.
Regards,
Dave
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
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тАО12-19-2007 10:58 AM
тАО12-19-2007 10:58 AM
Re: NFS clarification
I had a simillar problem programs hanging when access the NFS filesystem. I had install: PHNE_36257 patch.
NFS cumulative patch
Good Luck
Kathy