Messages in this thread | | | Subject | Re: [BUG] scsi: hpsa: how to destroy your files | From | Eric Dumazet <> | Date | Fri, 02 Sep 2011 12:08:53 +0200 |
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Le vendredi 02 septembre 2011 à 11:39 +0200, Eric Dumazet a écrit : > Le jeudi 01 septembre 2011 à 16:50 -0500, Jon Mason a écrit : > > > I believe modifying the MRRS values is what is causing the issues. > > Can you try the attached patch and verify that it also resolves the > > issue? > > I tested this patch and can confirm this solves the corruption problem. > > But my disk is _much_ slower than before > > # hdparm -t /dev/sda1 > > Before : > > Timing buffered disk reads: 254 MB in 3.02 seconds = 84.16 MB/sec > > After : > > Timing buffered disk reads: 120 MB in 3.04 seconds = 39.42 MB/sec
Hmm, this speed regression is probably old : the 84MB/s was with the standard debian 6.0.2 kernel (2.6.32-5-amd64)
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