Date: Fri, 16 Jun 2000 13:17:43 -0400 From: Mike Tancsa <mike@sentex.ca> To: questions@freebsd.org Cc: msmith@freebsd.org Subject: twe device static linking ? Message-ID: <3.0.5.32.20000616131743.024d0340@marble.sentex.ca>
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Hi,
Is there any way or any advantage to building in the twe driver into the
kernel, or is it best to always load it as a module ? I just got a 4port
3ware control and am testing it with a couple of Maxtor 40gig hard drives.
Also, built as a RAID0 stripe,
newgranite# dmesg | grep twe
twe0: <3ware Storage Controller> port 0xe000-0xe00f irq 11 at device 12.0
on pci0
twed0: <3ware RAID unit> on twe0
twed0: 78163MB (160078336 sectors) RAID 255 (unknown)
newgranite#
Should it recognize it as RAID 0 ?
BTW, a quick test gave me the following results on a Celeron with 384M of
RAM with
ahc0: <Adaptec 2940 Ultra SCSI adapter> port 0xd400-0xd4ff mem
0xec200000-0xec200fff irq 10 at device 9.0 on pci0
ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
da0 at ahc0 bus 0 target 0 lun 0
da0: <QUANTUM ATLAS IV 9 WLS 0808> Fixed Direct Access SCSI-3 device
da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing
Enabled
-------Sequential Output-------- ---Sequential Input--
--Random--
-Per Char- --Block--- -Rewrite-- -Per Char- --Block---
--Seeks---
Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec
%CPU
AtlasIV 600 13492 65.5 13710 24.5 5792 13.9 13676 91.5 13883 17.7 251.3
3.5
twe 600 15337 74.1 29884 59.5 7593 15.8 14667 97.8 34454 32.5 455.2
4.9
Thanks for the cool little driver BTW!
---Mike
------------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications mike@sentex.net
Cambridge, Ontario Canada www.sentex.net
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