Flavio,
I am wondering about this. Can Elphel deal with RAID? If I format both my
CF Cards to RAID 0, maybe I can improve (double) this performance, which
could be something...
I don't have such experience - probably not. You could try, but I have no
idea why it should help - r/w speed will
Hello, there,
If I understood correctly, my card takes 6.75 seconds to write the
19MB and 19 MB / 6.75 = 2.8MB/s should be the maximum data rate my
cards can handle, is that it?
Yes, the cards are in PIO mode so seem to be disabled. And as I wrote - it
is not only that they are ~16/2.8 ~=
Thanks, Sebastian, that worked!
Now I just need the indication for the CF card and we're go!
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I remember settings FPS can be a bit tricky at first:
There are 2 modes which require the FPS to be set differently:
In parsedit/autocampars:
Free running mode (default):
FPSFLAGS=1
FP1000SLIM=desired_FPS x 1000
Triggered mode (requires some flags to be set in advance):
FPSFLAGS=0
Hello Flavio,
Most likely the problem is related to the CF - as I wrote in that old
article, most CF cards in IDE mode lie about support of the DMA mode. They
do support UDMA so most people never notice that small lie. But Axis CPU
used in the camera has a bug of it's own - and this bug is
Hi, Andrey,
Sorry, I was rebooting, that's what kept me. Here is the result for
both cards (even though I can't really understand what it means):
[root@Elphel353 /root]3882# hdparm -I /dev/hdb
/dev/hdb:
ATA device, with non-removable media
Model Number:CF CARD 4GB
On Thu, Apr 26, 2012 at 09:32, flavio soares qazav...@gmail.com wrote:
Hi, Andrey,
Sorry, I was rebooting, that's what kept me. Here is the result for
both cards (even though I can't really understand what it means):
[root@Elphel353 /root]3882# hdparm -I /dev/hdb
/dev/hdb:
ATA device,
With Eyesis we use 97-98%, but that is only because we use aberration
correction by de-convolution that amplifies the noise and artifacts. BTW -
here are our last panoramas made with the new camera (viewing requires good
videocard and WebGL-capable browser)
Flavio,
That you for the nice words. The link a gave you is posted to the public
mailing list, and it is hosted on the public server, so there is no secret
about it and you may show it (all the content on the that server is
released under the GNU FDL 1.3). We just did not want to make much buzz
