Re: Questions re ASMLib on Linux
- From: "Ghassan Salem" <salem.ghassan@xxxxxxxxx>
- To: wjwagman@xxxxxxxxxxx
- Date: Fri, 16 Feb 2007 21:40:16 +0100
Bill,
answers are no and no.
The main use that I found for ASMLIB is that it gives you the ability to
easily remap devices after a reboot. Sometimes, if you have a NAS, when you
reboot your NAs and server, devices (i.e. /dev/sd....) may not be the same
as before reboot (i.e. what was /dev/sdc may become /dev/sdd). In this case,
you may not be able to have the proper raw devices assigned, and hence end
up with your CRS and ASM not coming up (ASMLIB does not solve the problem
for CRS, it does for ASM).
you have to configure the devices yourself (/etc/init.d/oracleasm .....)
rgds
On 2/16/07, Bill Wagman <wjwagman@xxxxxxxxxxx> wrote:
Greetings,
I am working with Oracle 10gR2 (10.2.0.3.0) on a two node RAC cluster
running on Linux RHEL3. My questions...
1)Is ASMLib required?
2)If so must one configure the disks prior to creating the ASM instance
or will the DBCA take care of that?
If it is not required what are the advantages of using it?
Thanks.
Bill Wagman
Univ. of California at Davis
IET Campus Data Center
wjwagman@xxxxxxxxxxx
(530) 754-6208
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