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Subject: RE: Cluster file systems versus raw devices in Oracle RAC
From: Hemant K Chitale <hkchital@singnet.com.sg>
Message-id: 6.2.1.2.0.20051230231210.01fcae70@pop.singnet.com.sg
Date: 2005-12-30 16:12:49




Have you seen/implemented EFSCG for Oracle databases ?
At 03:51 AM Friday, Kevin Closson wrote:
 
 
If you want a single file
served by multiple scalable NAS heads without
replication overhead, you have to use the EFS.CG. It is the
only product out there that does it.
 
I found the HP gateway with
Google pretty quickly:
<a href="http://h18006.www1.hp.com/products/storageworks/efs/">
http://h18006.www1.hp.com/products/storageworks/efs/</a>





On 12/29/05, Kevin Closson
&lt;mailto:kevinc@polyserve.com&gt;
wrote: 


what does "NFS of
CFS" mean?  Exporting a CFS? Yeah, that's

being done. It's called the StorageWorks Enterprise File Server
Clustered Gateway

by HP. Up to 16 nodes of scalable NFS with transparent NFS client
failover in the

event a NAS head should fail. And when I say transparent, I mean it.
Oracle

CRS, and database processes have no idea that the NAS head serviing
up their

files has died.  Not exactly the typical filer experience. Yeah,
I know you can "cluster"

and replicate filers. The HP EFS/CG requires no replication for this
high availability/

scalability. Want to know how I know ?

 

 




Hemant K Chitale
<a href="http://web.singnet.com.sg/~hkchital" eudora="autourl">
http://web.singnet.com.sg/~hkchital
</a>


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