Date: Mon, 14 Apr 2003 03:40:31 -0700 From: Michael Smith <msmith@freebsd.org> To: scsi@freebsd.org Subject: Fwd: Problem of DELL PE1600SC's PERC3/SC Message-ID: <83ECD11A-6E65-11D7-B2EC-000393DA4D30@freebsd.org>
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Hoping that the LSI folks are watching this list... =3D Mike Begin forwarded message: > From: "Joanne huang" <hliuhui@hotmail.com> > Date: Monday, April 14, 2003 3:02:25 AM US/Pacific > To: msmith@FreeBSD.org > Subject: Fw: Problem of DELL PE1600SC's PERC3/SC > > Dear Mr. Smith, > > Following is my E-mail sent to you just now. But mx1.freebsd.org=20 > refused it for not found my server's hostname(www.gztt.net ip:=20 > 211.155.23.174). So I had to forward it to you by using another E-mail=20= > address. Hope you can receive it. Thank you! > > Best regards, > Jimmy > ----- Original Message ----- From: Jimmy Leung To: msmith@FreeBSD.org=20= > Sent: Monday, April 14, 2003 5:39 PM > Subject: Problem of DELL PE1600SC's PERC3/SC > > > Dear Mr. Smith, > > My name is Jimmy Leung. I'm Chinese. Thanks for your work on the=20 > FreeBSD's amr driver! > > I installed FreeBSD4.8 on my client's DELL PE1600SC system few days=20 > ago. And dmesg displayed the follwoing: > amr0: <LSILogic MegaRAID> mem 0xfcd00000-0xfcd0ffff irq 3 at device=20 > 2.0 on pci1 > amr0: <LSILogic PERC 3/SC> Firmware 1.78, BIOS 3.29, 32MB RAM > mpt0: <LSILogic 1030 Ultra4 Adapter> port 0xdc00-0xdcff mem=20 > 0xfcf00000-0xfcf0ffff,0xfcf10000-0xfcf1ffff irq 5 at device 4.0 on=20 > pci1 > ...... > amrd0: <LSILogic MegaRAID logical drive> on amr0 > amrd0: 69356MB (142041088 sectors) RAID 5 (optimal) > > Everything seemed ok. But when I used dd to test the transfer rate of=20= > the RAID, I got the following: > dd if=3D/dev/zero of=3Dtt count=3D51200 > 51200+0 records in > 51200+0 records out > 26214400 bytes transferred in 2.529288 secs (10364339 bytes/sec) > > But I got 40059717 bytes/sec on a DELL PE2500's PERC 3/Di. And=20 > 21593731 bytes/sec even on my PC with IDE harddisk! > > I don't know what cause the low transfer rate problem. On=20 > http://people.freebsd.org/~msmith/RAID/ I found only PERC 2/SC, PERC=20= > 2/DC, PERC3/DC, PERC3/DCL, PERC 3/QC listed there. Are there anything=20= > should be modified in the amr driver to support PERC3/SC? Is it=20 > Ultra2, Ultra160 or Ultra320 the difference between PERC2/SC and=20 > PERC3/SC? If necessary, would you please use SSH to login to my Server=20= > and have a test? I can send you account for that. Hope to receive your=20= > reply soon. Thank you very much! > > Best regards, > Jimmy > > _________________________________________________________________ > =E4=BA=AB=E7=94=A8=E4=B8=96=E7=95=8C=E4=B8=8A=E6=9C=80=E5=A4=A7=E7=9A=84= =E7=94=B5=E5=AD=90=E9=82=AE=E4=BB=B6=E7=B3=BB=E7=BB=9F=E2=80=94 MSN = Hotmail=E3=80=82 http://www.hotmail.com >
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