[7443] in linux-scsi channel archive
RE: Please Help - SCSI RAID device very slow
daemon@ATHENA.MIT.EDU (Matthew Clark)
Wed Oct 27 14:50:54 1999
Reply-To: <m.r.clark@btinternet.com>
From: "Matthew Clark" <m.r.clark@btinternet.com>
To: "casler, heather" <casler_heather@emc.com>
Cc: "linux-raid" <linux-raid@vger.rutgers.edu>,
"linux-scsi" <linux-scsi@vger.rutgers.edu>
Date: Wed, 27 Oct 1999 19:12:00 +0100
Message-ID: <004a01bf20a6$c37de150$0100a8c0@netdespatch.co.uk>
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In-Reply-To: <8A7271ACBE5BD311A4D50090273BF0230134F985@montana.lss.emc.com>
I do want to use the hardware RAID.. I think I have been looking at this for
too long.. I now think the INTEL i960 IS the MegaRAID controller.. I didn't
realise it was registered as a PCI device... How come it connects to the
Symbios controller?
I am very confused now!!
> -----Original Message-----
> From: casler, heather [mailto:casler_heather@emc.com]
> Sent: 27 October 1999 18:54
> To: 'm.r.clark@btinternet.com'
> Subject: RE: Please Help - SCSI RAID device very slow
>
>
> If you don't want to use the MegaRaid at all, you might want to
> go into the
> system's BIOS and turn the card off in the BIOS. That was the only way I
> got the HP NetServer LH3 that I was working with to use the Symbios
> controller.
> Hope that helps.
> Heather
> -----Original Message-----
> From: m.r.clark@btinternet.com [mailto:m.r.clark@btinternet.com]
> Sent: Wednesday, October 27, 1999 12:39 PM
> To: linux-scsi; linux-raid
> Subject: RE: Please Help - SCSI RAID device very slow
>
>
> Does anyone know how I stop the MegaRAID using the onboard INTEL SCSI
> Controller? (i960) It should be using my SYMBIOS card...???
>
> > -----Original Message-----
> > From: owner-linux-raid@vger.rutgers.edu
> > [mailto:owner-linux-raid@vger.rutgers.edu]On Behalf Of Matthew Clark
> > Sent: 27 October 1999 15:51
> > To: linux-scsi; linux-raid
> > Subject: Please Help - SCSI RAID device very slow
> >
> >
> > Looking at /proc/scsi/scsi, it appears that linux is talking
> > directly to my
> > MegaRAID controller..
> >
> > Shouldn't it be talking to it via the SymBIOS controller?
> >
> > Host: scsi2 Channel: 01 Id: 00 Lun: 00
> > Vendor: MegaRAID Model: LD0 RAID5 26031R Rev: D
> > Type: Direct-Access ANSI SCSI Revision: 02
> >
> > Any help would be appreciated.. the disk array is running unacceptably
> > slowly when writing - could this be the cause?
> >
> > Regards,
> >
> > Matthew Clark.
> > --
> > NetDespatch Ltd - The Internet Call Centre.
> > http://www.netdespatch.com
> >
> >
> >
>
>
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