Hi, On Tuesday 13 June 2006 17:05, Василий Петров wrote: > > > > Yet I don't understand, must high-speed devices work with bundled > > > FreeBSD drivers and it is my conf problem or this is not supported by > > > them? I haven't found any mentions about it in mailing lists nor PRs. > > > > Your config is supported by FreeBSD 6.0-RELEASE. > > I've done dd tests and got VERY strange results. When I try to read from > device itself (/dev/da0 or /dev/da0s1) I have 27Mb/sec. > However when I mount NTFS partition, that resides on that drive, big file > is read from that partition at 600Kb/sec. I understand, that there is some > overhead, but not that much of course. > So it seems that problem not with USB, but with what then?
One of the upper layers are probably reading too small chunks of data at a time. Probably it has got something to do with the implementation of the NTFS driver. I think you will get better results with UFS and FAT32, for example. I am not an expert at file systems. --HPS _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[EMAIL PROTECTED]"
