Re: ASM and IBM SVC
From: Michael Austin <maustin_at_firstdbasource.com>
Date: Sun, 14 Dec 2008 20:31:23 -0600
Message-ID: <Uij1l.9965$yr3.1006@nlpi068.nbdc.sbc.com>
>
> Back in my old IBM days SVC was a SuperVisor Call ... what are you
> talking about exactly?
>
> Is this some kind of storage? ( We are an EMC shop ... so no clue ).
Date: Sun, 14 Dec 2008 20:31:23 -0600
Message-ID: <Uij1l.9965$yr3.1006@nlpi068.nbdc.sbc.com>
hpuxrac wrote:
> On Dec 13, 9:26 pm, Michael Austin <maus..._at_firstdbasource.com> wrote:
>> Can anyone share performance impressions when using ASM with SVC or even >> 9i(yeah we know...) cooked file systems? >> >> We currently have the impression that SVC can only return data in 32k >> chunks regardless of I/O setting at the OS (Solaris, AIX and HPUX) and >> or storage parameters in Oracle causing additional I/O traffic. >> >> Just curious.
>
> Back in my old IBM days SVC was a SuperVisor Call ... what are you
> talking about exactly?
>
> Is this some kind of storage? ( We are an EMC shop ... so no clue ).
ahh yes.. more acronyms...
SVC=SAN Volume Controller.
I am just trying to figure it out but have been told you can think of it
as an array agnostic filer - similar to NetApp, but will work with any
storage. Essentially this "controller (cluster)" is a gateway between
your server and your storage whereby you can have any vendors arrays
behind it and it presents logical LUNS to your server and it handles all
of the I/O.
Do a quick google search on IBM SVC architecture. Received on Sun Dec 14 2008 - 20:31:23 CST