Jürgen Keil <[EMAIL PROTECTED]> wrote:
> > copy to usb 2.0 key fat32
> > # time cp Desktop/R174292/Dell_multi-device_A17_R174292.exe /media/z-PEN/
> > real 1m58.760s
> > user 0m0.009s
> > sys 0m0.358s
>
> Hmm, so it transferred less than 500 kbytes/second,
> for that 56mbyte file copy.
>
> Somehow your write performance of 500 kbytes/second
> reminds me on an interesting usb flash memory performance
> issue I see with one of my usb flash memory devices:
How about this test run on SECE buildd 85:
readcd dev=2,0,0 f=/dev/null
Capacity: 15954944 Blocks = 7977472 kBytes = 7790 MBytes = 8168 prMB
Sectorsize: 512 Bytes
Copy from SCSI (2,0,0) disk to file '/dev/null'
end: 15954944
addr: 15954944 cnt: 512
Time total: 765.896sec
Read 7977472.00 kB at 10415.9 kB/sec.
12:45.914r 0.180u 3.010s 0% 0M 0+0k 0st 0+0io 0pf+0w
8 GB in 12 minutes read from a SanDisk USB adaptor for a SanDisk SD Card
Jörg
--
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
[EMAIL PROTECTED] (uni)
[EMAIL PROTECTED] (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily
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