Date: Thu, 24 Feb 2000 20:21:46 -0500 From: Mike Tancsa <mike@sentex.net> To: Mike Smith <msmith@FreeBSD.ORG> Cc: current@FreeBSD.ORG Subject: Re: BIOS and PERC 2/SC (was Re: Perc 2/SC problems (aka MegaRAID 466) ) Message-ID: <4.2.2.20000224201748.03ca6988@mail.sentex.net> In-Reply-To: <200002242322.PAA01090@mass.cdrom.com> References: <Your message of "Thu, 24 Feb 2000 10:03:38 EST." <3.0.5.32.20000224100338.028e5590@marble.sentex.ca>
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At 03:22 PM 2/24/2000 -0800, Mike Smith wrote:
> > megaraid: v107 (December 22, 1999)
> > megaraid: found 0x8086:0x1960:idx 0:bus 0:slot 10:func 1
> > scsi1 : Found a MegaRAID controller at 0xd0002000, IRQ: 12
> > megaraid: [GH6D:1.43] detected 1 logical drives
> > scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.25/3.2.4
> > <Adaptec AHA-294X Ultra SCSI host adapter>
> > scsi1 : AMI MegaRAID GH6D 254 commands 16 targs 1 chans 8 luns
> > SCSI device sdc: hdwr sector= 512 bytes. Sectors= 6199296 [3027 MB]
> [3.0 GB]
> >
> > Then tried
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> > /usr/local/bin/bonnie -s 100 -d /mnt &
> >
> > Its slow, but the server does not crash..... However, if Queing enabled, it
> > does crash.
>
>ie. the card is still unstable. That more or less confirms what I
>thought.
It would seem that way. Although I would have thought it would have
crashed a little more consistently on LINUX. I suppose it is possible its
an issue of drive compatibility and turning off the tagging avoided the
issue. In that mode, the card was quite stable and performed as expected,
but not quite as fast as on FreeBSD. I think I will stick to the Mylex
cards for now.
---Mike
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