From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id p5BGn0Cb078087 for ; Sat, 11 Jun 2011 11:49:01 -0500 Received: from Ishtar.tlinx.org (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id E533751A880 for ; Sat, 11 Jun 2011 09:48:59 -0700 (PDT) Received: from Ishtar.tlinx.org (ishtar.tlinx.org [173.164.175.65]) by cuda.sgi.com with ESMTP id KpQBUWKJpANncplT for ; Sat, 11 Jun 2011 09:48:59 -0700 (PDT) Message-ID: <4DF39C71.7060706@tlinx.org> Date: Sat, 11 Jun 2011 09:48:49 -0700 From: Linda Walsh MIME-Version: 1.0 Subject: Re: FYI: LSI rebuilding; and XFS speed V. raw - hints on maxing out 'dd'....(if not already obvious)... References: <20110502191323.417ef644@harpe.intellique.com> <4DF2C5D4.6030507@tlinx.org> <20110611113049.2868f9c7@galadriel2.home> In-Reply-To: <20110611113049.2868f9c7@galadriel2.home> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Emmanuel Florac Cc: Paul Anderson , xfs@oss.sgi.com CgpFbW1hbnVlbCBGbG9yYWMgd3JvdGU6Cj4gTGUgRnJpLCAxMCBKdW4gMjAxMSAxODozMzowOCAt MDcwMCB2b3VzIMOpY3JpdmllejoKPiAKPj4gSSBoYXZlIGEgOTI4NS04RSBhbmQgaGF2ZSBiZWVu IHByZXR0eSBoYXBweSB3aXRoIGl0J3MgcGVyZm9ybWFuY2UsCj4+IGJ1dCBJIG9ubHkgaGF2ZSAx MCBkYXRhIGRpc2tzICgyeDYtZGlzayBSQUlENSA9PlJBSUQ1MCkgd2l0aCAyVEIKPj4gU0FUQSdz IGFuZCBnZXQgMUdCIHBlcmYuLi4gYWJvdXQgd2hhdCBJJ2QgZXhwZWN0IGZyb20gZGlza3MgdGhh dCBnZXQKPj4gYXJvdW5kIDEyME1CIGVhY2ggYW5kIGRvaW5nIDIgUkFJRDUgY2FsY3MuLi4pLi4u Cj4gCj4gSSd2ZSBtYWRlIHNvbWUgbW9yZSB0ZXN0cyBzaW5jZSB0aGVuLCBhbmQgSSB3YXMgdXNp bmcgY2hlYXBvIGRyaXZlcyBmb3IKPiB0ZXN0aW5nIHRoYXQgZm9yIHNvbWUgcmVhc29uLCBiZWhh dmUgZXh0cmFvcmRpbmFyaWx5IHBvb3JseSBpbgo+IGNvbWJpbmF0aW9uIHdpdGggdGhlIExTSSBj YXJkLiBJJ3ZlIHJldGVzdGVkIHRoZSBjYXJkIHdpdGggaGl0YWNoaQo+IFVsdHJhc3RhcnMgYW5k IGl0IHdvcmtlZCBqdXN0IGZpbmUgKHRob3VnaCBhIGJpdCBzbG93ZXIgdGhhbiBBZGFwdGVjCj4g Nnh4NSkuIE9UT0gsIHRoZSBBZGFwdGVjIHdvcmtzIGZpbmUgd2l0aCB0aGUgImJhZCIgZHJpdmVz IHRvbywgZ28KPiBmaWd1cmUuIAotLS0tLQoJSSBub3RpY2VkIHRoaXMgaXNzdWUgd2l0aCB0aGUg TFNJIGNhcmQgYXMgd2VsbCAtLSBpLmUuIHdpdGgKJ2JhZCcgbG93LXF1YWwgZHJpdmVzLgoKCVdo YXQgSSBub3RpY2VkIHRob3VnaCAtLSBpbiBpbmRlcGVuZGVudCB0ZXN0aW5nIG9mIHRoZSAKbG93 ZXIgcXVhbGl0eSBkcml2ZXMsIHdhcyB0aGF0IGV2ZW4gdGhvdWdoIHRoZXkgd2VyZSBhbGwgc3Bl YydlZCBhdAo3MjAwUlBNLCB0aGVpciBhY3R1YWwgc3BlZWRzIHZhcmllZCwgZnJvbSB0b3AgdG8g Ym90dG9tIGJ5IGFsbW9zdCA1MCUKKEluZGlyZWN0bHkgbWVhc3VyZWQgYnkgdG9wIHRyYW5zZmVy IHNwZWVkcyBjb3B5aW5nIGZyb20gJiB0byB0aGUgZHJpdmVzCjEyOEcgZmlsZXMuLi4gLi4gYWxs IGZyZXNobHkgZm9ybWF0dGVkLCBmYWN0b3J5ICduZXcnLCBmcm9tIHRoZSBzYW1lCmdlbmVyYXRp b24pLiAgIFNwZWVkcyB2YXJpZWQgZnJvbSB0b3AgdG8gYm90dG9tIHdpdGggbWF4IGFyb3VuZCAx MjlNQi9zCnRvIGJvdHRvbSBAIDg3TUIvcywgd2l0aCB0eXBpY2FsIGJlaW5nIDk1LTEyMC4gIFRo YXQgd2FzIHF1aXRlIGEgcmFuZ2UgCm9mIHNwZWVkcy4gICBUcnlpbmcgdG8gJ3N5bmNocm9uaXpl IHJlYWRzL3dyaXRlcy8gb24gZHJpdmVzIHdpdGggc3VjaAp2YXJ5aW5nIHNwZWVkcyB3b3VsZCBi ZSBhIG5pZ2h0bWFyZS4gIAoKCUkgdHJpZWQgYW5vdGhlciBSQUlEIGNvbnRyb2xsZXIgYW5kIGdv dCBhYm91dCA2MCUgdGhlIHBlcmZvcm1hbmNlCm9mIHRoZSBMU0kncyAtLSBidXQgaXQgd2FzIGFs c28gd2l0aCB0aGUgY2hlYXBlciBkcml2ZXMuICBUaGUgTFNJIGNvbnRyb2xsZXIKd291bGRuJ3Qg InBhc3MiIHRoZSBkcml2ZXMgYXMgImFjY2VwdGFibGUiIGlmIHRoZXkgd2VyZSB0b28gZmFyIG91 dCBvZiBzcGVjLgoKCVRoZSBVbHRyYXN0YXJzIChOT1QgdGhlIGRlc2tzdGFycywgd2hpY2ggYXJl IG5vdCBzcGVlZCBjb250cm9sbGVkKQphbGwgd2VyZSBmaW5lLiAgSSd2ZSBoZWFyZCBvZiBwZW9w bGUgaGF2aW5nIHByb2JsZW1zIHdpdGggRW50ZXJwcmlzZQpDbGFzcyBXRCBkcml2ZXMgZHVlIHRv IHRoZSBpc3N1ZS4gICBTbyBpdCBtYXkgYmUgYSBtYXR0ZXIgb2YgdGhlIGNvbnRyb2xsZXIKJ3By b3RlY3RpbmcgaXRzZWxmJyBmcm9tIGRyaXZlcyB0aGF0IGFyZSBvdXQgb2Ygc3BlYyAtLSBhbmQg YXJlIHRoZXJlZm9yZSBub3QKY29uc2lkZXJlZCAnUkFJRCBjbGFzcycgZHJpdmVzLi4uICAgCgoJ U29tZSB3b3VsZCBhcmd1ZSB0aGF0IGJlaW5nIG1vcmUgJ3RvbGVyYW50JyBvZiBwb29yIGRyaXZl cyBpcyBhIGdvb2QKdGhpbmcuLi4gIEJ1dCBpZiB5b3Ugd2FudCB0aGUgZmFzdGVzdCBzcGVlZCwg eW91IG5lZWQgdG8gbWFrZSBzdXJlIHRoZSBkcml2ZQpzcGVlZHMgYXJlIHdlbGwgbWF0Y2hlZC4K CgoKCnNhbWUgaXNzdWUuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwp4ZnMgbWFpbGluZyBsaXN0Cnhmc0Bvc3Muc2dpLmNvbQpodHRwOi8vb3NzLnNnaS5j b20vbWFpbG1hbi9saXN0aW5mby94ZnMK