Basically it does a round-robin allocation (+ disk (LUN) size
acquiring). It tries to avoid the hot spots by striping extents across
different disks. But it can't say "uh-huh, we got a hot spot here
let's try to move those things here and there".
On 2/27/07, Don Seiler <don_at_seiler.us> wrote:
> My understanding is that ASM will also shift data around to avoid the
> "hot block" scenario, avoiding I/O contention. It wasn't explicitly
> stated in the passage I pasted, hopefully my understanding is correct.
>
> Don.
--
Alexander Fatkulin,
Senior Oracle DBA
--
http://www.freelists.org/webpage/oracle-l
Received on Mon Feb 26 2007 - 20:30:16 CST
