Re: Extended RAC:11G R2
Date: Sun, 8 Aug 2010 09:40:47 +0530
Thanks for your replies.
The idea behind extended RAC was to implement HA and DR at one go. We will think about valuable suggestions provided here.
On Fri, Aug 6, 2010 at 8:15 PM, D'Hooge Freek <Freek.DHooge_at_uptime.be>wrote:
> You would need 3 independent sites / datarooms to spread your voting disks.
> The third voting disk can be placed on a standard nfs volume, but if this
> nfs server is located in one of the datarooms where the rac nodes are, then
> you would still not be protected against a general power failure in that
> Apart from that, my experience with extended rac clusters is that they make
> it more important to functionally partition the applications running on it
> to avoid a potential bottleneck on the interconnect.
> When using ASM, you can specify in 11g for each rac node the preferred san
> to read from.
> Freek D'Hooge
> Oracle Database Administrator
> email: freek.dhooge_at_uptime.be
> tel +32(0)3 451 23 82
> disclaimer: www.uptime.be/disclaimer
> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]
> On Behalf Of Avadhani mys
> Sent: donderdag 5 augustus 2010 12:05
> To: oracle-l; oaugnetdba-on_at_oaug.com
> Subject: Extended RAC:11G R2
> Hello Gurus,
> Has anyone implemented extended RAC, please let me know the pro's and con's
> and any useful links would be really helpful.We are in the process of
> finalizing proposal to implement extended RAC.
> Thanks in Advance