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From: Andrei Kolu <antik@bsd.ee>
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Subject: raidtest: Cannot open 'raidtest.data' device: Operation not
	permitted
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# uname -a
FreeBSD test.demo 7.0-BETA4 FreeBSD 7.0-BETA4 #0: Sun Dec  2 16:34:41 UTC 2007     
root@myers.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64

3ware device driver for 9000 series storage controllers, version: 3.70.05.001
twa0: <3ware 9000 series Storage Controller> port 0x3000-0x30ff mem 
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 ports, 
Firmware FE9X 3.08.02.007, BIOS BE9X 3.08.00.002

raidtest-1.1                        =   up-to-date with port

# set mediasize=`diskinfo /dev/da0 | awk '{print $3}'`
# set sectorsize=`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

# echo $mediasize
1919932170240
# echo $sectorsize
512


Or anyone can recommend other raid performance testing utility?


Andrei