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Date:      Sat, 7 Jun 2008 16:39:44 +0200
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        Andrei Kolu <antik@bsd.ee>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: raidtest: Cannot open 'raidtest.data' device: Operation not permitted
Message-ID:  <20080607143944.GC1344@garage.freebsd.pl>
In-Reply-To: <200712071131.31773.antik@bsd.ee>
References:  <200712071131.31773.antik@bsd.ee>

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On Fri, Dec 07, 2007 at 11:31:31AM +0200, Andrei Kolu wrote:
> # uname -a
> FreeBSD test.demo 7.0-BETA4 FreeBSD 7.0-BETA4 #0: Sun Dec  2 16:34:41 UTC=
 2007    =20
> root@myers.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
>=20
> 3ware device driver for 9000 series storage controllers, version: 3.70.05=
.001
> twa0: <3ware 9000 series Storage Controller> port 0x3000-0x30ff mem=20
> 0xd8000000-0xd9ffffff,0xda300000-0xda300fff irq 16 at device 0.0 on pci7
> twa0: [ITHREAD]
> twa0: INFO: (0x04: 0x0053): Battery capacity test is overdue:
> twa0: INFO: (0x15: 0x1300): Controller details:: Model 9650SE-8LPML, 8 po=
rts,=20
> Firmware FE9X 3.08.02.007, BIOS BE9X 3.08.00.002
>=20
> raidtest-1.1                        =3D   up-to-date with port
>=20
> # set mediasize=3D`diskinfo /dev/da0 | awk '{print $3}'`
> # set sectorsize=3D`diskinfo /dev/da0 | awk '{print $2}'`
> # raidtest genfile -s $mediasize -S $sectorsize -n 50000
> # raidtest test -d /dev/da0 -n 10
> raidtest: Cannot open 'raidtest.data' device: Operation not permitted
>=20
> # echo $mediasize
> 1919932170240
> # echo $sectorsize
> 512
>=20
>=20
> Or anyone can recommend other raid performance testing utility?

A bit late, but...
There was a bug in raidtest that it printed wrong file name. What it
wanted to say was:

	raidtest: Cannot open '/dev/da0' device: Operation not permitted

Which means it cannot open /dev/da0 for reading and writing, because it
is already open for writting. If you only want to test reading
performance try 'raidtest test -r'.

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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