Re: [BUG] scsi: hpsa: how to destroy your files

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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)


--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux