X-Spam-Checker-Version: SpamAssassin 3.4.0-r929098 (2010-03-30) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.4.0-r929098 Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o6KCbb6V020347 for ; Tue, 20 Jul 2010 07:37:37 -0500 X-ASG-Debug-ID: 1279630038-1f4602040000-NocioJ X-Barracuda-URL: http://cuda.sgi.com:80/cgi-bin/mark.cgi Received: from firestarter.dermichi.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 6532915C3F79 for ; Tue, 20 Jul 2010 05:47:19 -0700 (PDT) Received: from firestarter.dermichi.com (firestarter.dermichi.com [78.41.115.230]) by cuda.sgi.com with ESMTP id KZMEfjZtzEyth7b3 for ; Tue, 20 Jul 2010 05:47:19 -0700 (PDT) Received: from cl-840.mbx-01.si.sixxs.net ([2001:15c0:65ff:347::2]) by firestarter.dermichi.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1ObC7e-0001dp-BO for xfs@oss.sgi.com; Tue, 20 Jul 2010 14:40:34 +0200 Message-ID: <4C459941.70206@dermichi.com> Date: Tue, 20 Jul 2010 14:40:33 +0200 From: Michael Weissenbacher User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.10) Gecko/20100527 Thunderbird/3.0.5 MIME-Version: 1.0 To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: Calculating swidth On A RAID6 Volume Subject: Re: Calculating swidth On A RAID6 Volume References: <3C5E029826A0704DB5998577FCFF46F0094DA1AD69@dagobah> In-Reply-To: <3C5E029826A0704DB5998577FCFF46F0094DA1AD69@dagobah> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: firestarter.dermichi.com[78.41.115.230] X-Barracuda-Start-Time: 1279630039 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Virus-Scanned: by cuda.sgi.com at sgi.com X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using per-user scores of TAG_LEVEL=2.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.1 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.35709 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on oss.sgi.com X-Virus-Status: Clean > finally the question - would the swidth for a RAID6 volume be "sunit x > (# disks in stripe -2)? Yep, correct > If that is the case, then here is what I would expect my values to be: > sunit = 512 > swidth = 4608 > > Would that be correct? Thanks in advance for your help in this matter! Correct too, AFAICT hth, Michael