From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jon Nelson" Subject: Re: AWFUL reshape speed with raid5. Date: Mon, 28 Jul 2008 13:24:00 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline Sender: linux-raid-owner@vger.kernel.org To: Justin Piszcz Cc: LinuxRaid List-Id: linux-raid.ids On Mon, Jul 28, 2008 at 1:14 PM, Justin Piszcz wrote: > What happens if you use 0.90 superblocks? An even more spectacular explosion. Really quite impressive, actually. Just a small sample of the >800 lines: Jul 28 13:18:54 turnip kernel: itmap 9: invalid bitmap page 9: invalid bitmap page 9: invalid bitmap p9: invalid bitmap pag9: invalid bitmap 9: invalid bitmap page9: invalid bitmap pa9: invalid bitmap pag9: invalid bitmap 9: invalid bitmap 9: invalid bitmap pag9: invalid bitmap page9: invalid bitmap 9: invalid bitmap 9: invalid bitmap page9: invalid bitmap pa9: invalid bitmap pag9: invalid bitmap pa9: invalid bitmap p9: invalid bitmap page 9: invalid bitmap page 9: invalid bitmap p9: invalid bitmap 9: invalid bitmap page9: invalid bitmap pag9: invalid bitmap pag9: invalid bitmap page9: invalid bitmap 9: invalid bitmap pag9: invalid bitmap page9: invalid bitmap pag9: invalid bitmap9: invalid bitmap page9: invalid bitmap pag9: invalid bitmap pa9: invalid bitmap page9: invalid bitmap pa9: invalid bitmap p9: invalid bitmap page 9: invalid bitmap page 9: invalid bit9: invalid bitmap pa9: invalid bitmap page 9: invalid bitmap pag9: invalid bitmap page9: invalid bitmap 9: invalid bitmap pa9: invalid bitmap page9: invalid (Note the page -> pag -> p ... variations/corruption/whatever). and Jul 28 13:18:55 turnip kernel: i9: i9: 9: 9: i9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: i9: i9: 9: i9: 9: i9: i9: 9: 9: i9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: i9: i9: 9: in9: 9: 9: 9: 9: 9: i9: 9: i9: 9: i9: 9: i9: i9: 9: 9: 9: 9: 9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: i9: 9: 9: 9: 9: 9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: Jul 28 13:18:55 turnip kernel: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: i9: 9: 9: 9: 9: 9: 9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: i9: 9: i9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: 9: invalid bitmap page request: 222 (> 122) > Also, are these sata ports on the mobo or sata ports on a pci-based mobo? The ports are on a PCI-E motherboard, MCP55 chipset. The motherboard/chipset/whatever is *not* the problem. -- Jon