RE: 10g RAC mixing Red Hat kernel types- can it be done ?

Relinking is not necessary when just changing the kernel version (oracle does 
not link to a kernel, only with the os libraries). See metalink note 444595.1 
and 461138.1.

If you are using asm with the asmlib you will have to modify it, as it is 
kernel version depended.
Same for the hangcheck timer module.

regards,


Freek D'Hooge
Uptime
Oracle Database Administrator
e-mail: freek.dhooge@xxxxxxxxx
tel. +32 (0)3 451 23 82
http://www.uptime.be
disclaimer


From: oracle-l-bounce@xxxxxxxxxxxxx [oracle-l-bounce@xxxxxxxxxxxxx] On Behalf 
Of Matthew Zito [mzito@xxxxxxxxxxx]
Sent: 12 October 2009 22:39
To: Jon.Crisler@xxxxxxx; Oracle Discussion List
Subject: RE: 10g RAC mixing Red Hat kernel types- can it be done ?




I am certain it is best practice to relink, but I do not think it will make a 
difference.  This should work just fine.

Matt

--
Matthew Zito
Chief Scientist
GridApp Systems
P: 646-452-4090
mzito@xxxxxxxxxxx
http://www.gridapp.com



-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx on behalf of Crisler, Jon
Sent: Mon 10/12/2009 3:15 PM
To: Oracle Discussion List
Subject: 10g RAC mixing Red Hat kernel types- can it be done ?



We have a situation where we need to upgrade the Linux kernel in a
rolling fashion.  The current kernel version is as follows-

Linux hostname 2.6.9-67.0.1.ELsmp #1 SMP Fri Nov 30 11:57:43 EST 2007
x86_64 x86_64 x86_64 GNU/Linux


I want to update to the ELLargesmp kernel to support more CPU's, but
keeping the same version number, since the SMP kernel is limited to 8
cpu's.  We do not want any database downtime, so if I change one system
at a time to ELLargesmp and reboot, and start the instance, will this
cause any issues with Oracle RAC ?  Do I need to relink ?  

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