Re: R: performance information
Andrea Lanza <firstname.lastname@example.org> writes:
> Yes, SS4000E , based on EM-7210 card.
> I got the kernel sources from www.kernel.org
> I took version 22.214.171.124
> then I patched it applying all the patches present in
ok. So you have the patches and should have the max speed available
atm. There may be newer version of the dma patches but I didn't find the
time to look at that.
> so actually I didn't apply "dma_test.patch"
> Do you think try to recompile zImage after applying this patch could bring to better performance ?
ok. this patch has no influence on the disk performances. It may have
some on the network but I'm not sure this patch is right (that's why
> My second question was about disks status led: It could be fine to see the lighted when they
> are working. With the original software they lights on traffic, so I think that they are not
The disks leds are disabled by default and don't have a trigger to
enable them. Look at the /sys/class/leds/ directory. If you want to
enable them, echo '1' in the brightness file. For instance:
echo 1 > /sys/class/leds/HD1:green/brightness
The hardware will do the rest for the disk I/O access for the green