The consistent spike day to day makes me think something is scheduled.. like a nightly SIS update. I agree that the hot disk issue is separate. If you redistributed the data, the spike probably won't go away, it'll affect more disks and maybe have a shorter time span.
Brian
On Mon, Jan 28, 2013 at 2:39 PM, Jack Lyons jack1729@gmail.com wrote:
So it looks like it is all read i/o Could you be running into a heavily deduped blocks in a 'sparse' database.
Jack Sent from my Verizon Wireless BlackBerry
-----Original Message----- From: Jeff Mohler speedtoys.racing@gmail.com Sender: toasters-bounces@teaparty.net Date: Mon, 28 Jan 2013 09:28:27 To: Fletcher Cocquytfcocquyt@stanford.edu Cc: toasters@teaparty.net Liststoasters@teaparty.net Subject: Re: Aggregate Disk Busy 100% with volume IOPS low
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