Re: ASM to replace vxvm/vxfs;
- From: "LS Cheng" <exriscer@xxxxxxxxx>
- To: zhuchao@xxxxxxxxx
- Date: Wed, 19 Dec 2007 16:35:29 +0100
I have done your last question for a Single Instance Database, there are
couple of WP on OTN
Thanks
--
LSC
On Dec 18, 2007 5:34 PM, Zhu,Chao <zhuchao@xxxxxxxxx> wrote:
> hi
> We are considering the possibility of replacing veritas vxvm/vxfs with
> oracle asm management, due to higher and higher license cost for veritas.
> Does anyone has experience manage large database systems on ASM
> instances? We have never used ASM yet so not much idea about this, just some
> rough thinking yet.
> The things we are thinking about are:
> 1. ASM support for multipathing. So it does not treat two path of a
> single disk as two seperate disks, and when one path failure, the other path
> can still work as VxVM DMP does. Some hosts we have 4 paths to a single
> disk;
> 2. Same disk on different host can have different names. Like c4t0d36s2 on
> host A, and c5t0d36s2 on host B; WIth such name changed after failover ASM
> instance from host A to host B, how do we do that?
> 3. How ASM instance works regarding failover from one node to another
> node? The more difficult thing is, we could have some hosts with a single
> oracle_hoem, but 10+ standby instances, and sometimes we need to move one
> standby from node A to node B due to various reasons, will that still work
> with ASM? kind of diskgroup import/export?
>
> Also has anything used CRS service to manage oracle HA(failover type,
> not oracle RAC)?
>
> --
> Regards
> Zhu Chao
> www.cnoug.org
>
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