restore(8) to UFS on USB key: terrible slow

2011-12-07 Thread Matthias Apitz
Hello, I encounter the following problem with UFS file systems on USB keys, i.e. the problem is not only with one key, but with all I have; the key in question here is: Dec 7 22:17:47 tinyCurrent kernel: umass0: on usbus4 Dec 7 22:17:47 tinyCurrent kernel: umass0: SCSI over Bulk-Only; quir

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Matthias Apitz
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 fil

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Hans Petter Selasky
On Thursday 08 December 2011 07:37:12 Matthias Apitz wrote: > Hello, > > I encounter the following problem with UFS file systems on USB keys, > i.e. the problem is not only with one key, but with all I have; the key > in question here is: > > Dec 7 22:17:47 tinyCurrent kernel: umass0: 0/0, rev

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Hans Petter Selasky
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/da0

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Matthias Apitz
El día Thursday, December 08, 2011 a las 11:47:46AM +0100, Hans Petter Selasky escribió: > > 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 pe

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Hans Petter Selasky
On Thursday 08 December 2011 12:24:18 Matthias Apitz wrote: > El día Thursday, December 08, 2011 a las 11:47:46AM +0100, Hans Petter Selasky escribió: > > > 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 > > > per

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Hans Petter Selasky
BTW: Check USB traffic with "usbdump" utility. --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"

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Matthias Apitz
El día Thursday, December 08, 2011 a las 03:40:06PM +0100, Hans Petter Selasky escribió: > BTW: > > Check USB traffic with "usbdump" utility. I don't see this 'usbdump', neither in the system nor in ports; BTW: I've checked the dump, it contains 50.000 dirs and 200.000 files (because of comple

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Hans Petter Selasky
On Thursday 08 December 2011 15:52:04 Matthias Apitz wrote: > El día Thursday, December 08, 2011 a las 03:40:06PM +0100, Hans Petter Selasky escribió: > > BTW: > > > > Check USB traffic with "usbdump" utility. > > I don't see this 'usbdump', neither in the system nor in ports; > > BTW: I've che

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Hans Petter Selasky
On Thursday 08 December 2011 15:58:42 Hans Petter Selasky wrote: > On Thursday 08 December 2011 15:52:04 Matthias Apitz wrote: > > El día Thursday, December 08, 2011 a las 03:40:06PM +0100, Hans Petter > > Selasky escribió: > > > BTW: > > > > > > Check USB traffic with "usbdump" utility. > > > >

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Dan Nelson
In the last episode (Dec 08), Matthias Apitz said: > I encounter the following problem with UFS file systems on USB keys, i.e. > the problem is not only with one key, but with all I have; the key in > question here is: > > Dec 7 22:17:47 tinyCurrent kernel: umass0: rev 2.00/1.02, addr 3> on usb

Re: restore(8) to UFS on USB key: terrible slow

2011-12-08 Thread Matthias Apitz
El día Thursday, December 08, 2011 a las 09:57:13AM -0600, Dan Nelson escribió: > Cheap USB thumb drives aren't really optimized for small random-I/O writes. > Can you try mounting the filesystem async? that might help a little. A > workaround would be to use mdconfig to create a block device (

Re: restore(8) to UFS on USB key: terrible slow

2011-12-09 Thread Julian H. Stacey
Matthias Apitz wrote: > El día Thursday, December 08, 2011 a las 09:57:13AM -0600, Dan Nelson > escribió: > > > Cheap USB thumb drives aren't really optimized for small random-I/O writes. > > Can you try mounting the filesystem async? that might help a little. A > > workaround would be to use

Re: restore(8) to UFS on USB key: terrible slow

2011-12-09 Thread Michael Sierchio
Cheap USB drives, and even many CF drives, aren't much good as random read-write devices. On my Soekris boxen I run FreeBSD, and mount the root filesystem rw,noatime. And I don't write to it. ;-) /var is a memory filesystem, there /var/db/... contain symbolic links to /usr/local/db/.. because th