kern/132711: [ata] Very slow write on SATA-II with nForce Controller

Tue Mar 17 02:50:04 PDT 2009

The following reply was made to PR kern/132711; it has been noted by GNATS.

From: "Tobias N. Sasse" <tobi at byte23.de>
To: bug-followup at FreeBSD.org,
 tobi at byte23.de
Cc:  
Subject: Re: kern/132711: [ata] Very slow write on SATA-II with nForce Controller
Date: Tue, 17 Mar 2009 10:23:55 +0100

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 Hi everybody,

 I disabled encryption, now speeds are significantly higher. Thanks for  
 your support so far.

 -----
                -------Sequential Output-------- ---Sequential Input--  
 --Random--
                -Per Char- --Block--- -Rewrite-- -Per Char- --Block---  
 --Seeks---
 Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  / 
 sec %CPU
           3000 97002 77.6 99867 14.5 29917  7.5 78046 67.5 102909 10.3  
 283.0  0.8
 ------

 There seems to be a problem with my GBDE settings, but I am  
 considering to switch to another solution anyways.

 Tobi

 ---
 Tobias N. Sasse

 tobi at byte23.de
 http://tobi.byte23.de

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 <html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
 -webkit-line-break: after-white-space; ">Hi =
 everybody,<div><br></div><div>I disabled encryption, now speeds are =
 significantly higher. Thanks for your support so =
 far.</div><div><br></div><div>-----</div><div><span =
 class=3D"Apple-style-span" style=3D"font-family: 'Lucida Grande'; =
 white-space: pre-wrap; ">              -------Sequential Output-------- =
 ---Sequential Input-- --Random--
               -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- =
 --Seeks---
 Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  =
 /sec %CPU
          3000 97002 77.6 99867 14.5 29917  7.5 78046 67.5 102909 10.3 =
 283.0  0.8</span><br><div>------</div><div><br></div><div>There seems to =
 be a problem with my GBDE settings, but I am considering to switch to =
 another solution anyways.</div><div><br></div><div>Tobi</div><div =
 apple-content-edited=3D"true"> <span class=3D"Apple-style-span" =
 style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
 font-weight: normal; letter-spacing: normal; line-height: normal; =
 orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; =
 white-space: normal; widows: 2; word-spacing: 0px; =
 -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
 auto; -webkit-text-stroke-width: 0; "><div><br =
 class=3D"Apple-interchange-newline">---</div><div>Tobias N. =
 Sasse</div><div><br></div><div><a =
 href=3D"mailto:tobi at byte23.de">tobi at byte23.de</a></div><div><a =
 href=3D"http://tobi.byte23.de">http://tobi.byte23.de</a></div></span> =
 </div><br></div></body></html>=

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