On Thursday 08 December 2011 10:19:43 Matthias Apitz wrote: > El día Thursday, December 08, 2011 a las 10:10:36AM +0100, Hans Petter Selasky escribió: > > > # fdisk -I da0 > > > # fdisk -B da0 > > > # bsdlabel -w da0s1 auto > > > # bsdlabel -B da0s1 > > > # bsdlabel -e da0s1 > > > # newfs /dev/da0s1a > > > # mount /dev/da0s1a /mnt > > > > > > When I now bulk write a big file to the file system, the write > > > performance is reasonable fast, even with blocks of 512 bytes, > > > it gives 2 MByte / sec: > > > > > > # dd if=usb.dmp of=/mnt/byte > > > 10926520+0 records in > > > 10926520+0 records out > > > 5594378240 bytes transferred in 2538.942585 secs (2203428 bytes/sec) > > > > Hello! > > > > The default block size of dd is 512 bytes. Try setting bs=65536 :-) > > Hello Hans, > > I know (as I said) that dd(1) per default writes in blocks of 512 bytes; > but this is not the problem; the problem is the poor performance of > restore(8); the dd(1) was just to see if the USB key performs fast > enough in general; please read my post again :-)
Hi, The "restore" utility also has a -b option for blocksize. Did you try that? --HPS _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"