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 stay the same. I'd go with an external SATA HDD at this point. Best regards, Oleg Dzhimiev Electronics Engineer phone: +1 801 783 5555 x124 Elphel, Inc. On 10 May 2012 14:01, The Apertus Team <[email protected]> wrote: > 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 ~= 5.5 times slower than those in DMA >> mode, they use CPU much more during recording, so no resources fro other >> CPU tasks. >> >> Can you try them with hdparm -I and send the reply? The CPU-limited >> recording rate in DMA mode should be ~16MB/s >> >> > > 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... > > thanks! > > flavio > > _______________________________________________ > Support-list mailing list > [email protected] > http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com > >
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