RE: Docs, Links, Good Books on Performance with RAC 10.2 / Solaris 10 ? ....... Veritas CFS(SFRAC) or QFS ? which FS to choose for RAC Benchmark ?

Tim Gorman, to my impression, seemed to favor Veritas over QFS as per the following Link:-  

http://www.freelists.org/archives/oracle-l/05-2005/msg01257.html  

Tim - your current views please on Veritas SFRAC 4.1/5.0 versus Sun QFS ? if possible.  

Thanks indeed  

From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of VIVEK_SHARMA Sent: Wednesday, August 30, 2006 11:04 PM To: Anjo Kolk; oracle-l_at_freelists.org
Subject: RE: Docs, Links, Good Books on Performance with RAC 10.2 / Solaris 10 ? ....... Veritas CFS(SFRAC) or QFS ? which FS to choose for RAC Benchmark ?  

Thanks so much Anjo for the support.  

For the upcoming Benchmark with Solaris 10/RAC Oracle 10.2, we need to define the "File system" setup.  

Seek your advice on the following:-  

Qs 1 Is QFS Certified for Solaris 10/Oracle RAC 10.2? Seemingly it has been certified last year for Oracle 9i.  

Qs 2 Which is advisable - Veritas CFS (SFRAC) or Sun QFS?  

(i) Does QFS support Low Latency Protocol (LLT) or the default User
Datagram Protocol (UDP) only?

NOTE - Veritas CFS (SFRAC) does support LLT.  

(ii)) Is QFS in use at Large Production RAC 10g Sites?
 

(iii) Do both QFS & Veritas CFS(SFRAC) support Concurrent IO [CIO] i.e.
multiple threads can simultaneously perform reads and writes on a shared file?

NOTE - CIO is available with JFS2 Filesystem from AIX.  

 Qs 3 What is the Effort needed to switch from Veritas CFS(SFRAC 4.1 or 5.0{if certified too}) to QFS & vice-versa by using a baseline UFS database in case of Bugs/performance issues on either?  

NOTE - RAW, ASM are being avoided for now.  

Thanks indeed  

Vivek  

From: akolk_at_oraperf.com [mailto:akolk_at_oraperf.com] On Behalf Of Anjo Kolk
Sent: Wednesday, August 30, 2006 8:28 PM To: VIVEK_SHARMA
Subject: Re: Docs, Links, Good Books on Performance with RAC 10.2 / Solaris 10 ?  

Well you could talk to me :-)  

I did a 15K user RAC/OPS once.  

Anjo.

On 8/30/06, VIVEK_SHARMA <VIVEK_SHARMA_at_infosys.com> wrote:

Folks

For an upcoming High Hybrid (OLTP + Batch) Transaction Load Benchmark on RAC with Solaris 10/Oracle 10g,

need Good Docs, Links, Books, metalink Doc IDs, Pointers to Oracle Documentation for Performance.

Benchmark Config info:-

Approx 30,000 Concurrent OLTP sessions will be spawned

Application = Banking

Num of Database Server Nodes = 4

Each DB Server Node = 28 CPUs

DB Server model = SF25000

Oracle Shared or dedicated Servers will be used

DB Size = 4 TB

Thanks indeed

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