Date: Wed, 17 Nov 2010 14:44:35 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Matthias Apitz <guru@unixarea.de> Cc: freebsd-usb@freebsd.org Subject: Re: restore(8) to USB key: terrible slow Message-ID: <201011171444.35916.hselasky@c2i.net> In-Reply-To: <20101117133914.GA2895@current.Sisis.de> References: <20101117120852.GA2458@current.Sisis.de> <201011171314.19524.hselasky@c2i.net> <20101117133914.GA2895@current.Sisis.de>
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On Wednesday 17 November 2010 14:39:14 Matthias Apitz wrote: > El d=EDa Wednesday, November 17, 2010 a las 01:14:19PM +0100, Hans Petter= =20 Selasky escribi=F3: > > > after around 90 minutes of restore the taget file system says 19 MByte > > > used (i.e restored): > > >=20 > > > $ df -kh /mnt > > > Filesystem Size Used Avail Capacity Mounted on > > > /dev/da0s1a 3.6G 19M 3.3G 1% /mnt > > >=20 > > > What is wrong with this? If this does matter: 8-CURRENT. > > >=20 > > > Thanks > > >=20 > > > matthias > >=20 > > Hi, > >=20 > > Maybe you get some answers from: > >=20 > > sysctl hw.usb.umass.debug=3D-1 > >=20 > > Kernel needs to be compiled with: > >=20 > > options USB_DEBUG >=20 > Thanks; I have to build a kernel for this ... >=20 > When I write the key just with dd(1) it performs normal with big blocks: >=20 > # dd if=3D/home/guru/usb9root.dmp of=3D/dev/da0 bs=3D1m count=3D100 > 100+0 records in > 100+0 records out > 104857600 bytes transferred in 16.650550 secs (6297546 bytes/sec) >=20 > and slow with 512 byte blocks: >=20 > # dd if=3D/home/guru/usb9root.dmp of=3D/dev/da0 count=3D100 > 100+0 records in > 100+0 records out > 51200 bytes transferred in 1.997130 secs (25637 bytes/sec) >=20 > any idea or do we need the debug output? >=20 > matthias What block size does the dump utility use? =2D-HPS
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