From: Gregory Leblanc <gleblanc@linuxweasel.com>
To: linux-raid@vger.kernel.org
Subject: Re: 3ware 7500-8 confusion
Date: 22 Feb 2003 22:03:39 -0800 [thread overview]
Message-ID: <1045980219.2132.16.camel@gregdell> (raw)
In-Reply-To: <Pine.LNX.3.96.1030222210002.29904A-100000@Maggie.Linux-Consulting.com>
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On Sat, 2003-02-22 at 21:08, Alvin Oga wrote:
> hi ya Raiders
>
> okay... i confess ... i'm lost and confused ...
>
> we have a dual amd mb + 9 drive bays w/ 200GB drives
>
> the drives are connected to a 3ware 7500-8
> and the drives is recognized during bios bootup and linux-2.4.19/20
> bootup recognized the controller too
>
> the 3ware bios created the raid array out of the 8 drives
> ( supposedly .. waited a long time for it to finish )
>
> 3dm was installed from the cdrom that came w/ the controller
>
> http://localhost:1080
> - shows the list of drives in the raid
> - shows the other info abut the 3ware card
Sounds like you've got things set up correctly.
> but now that i wanna use the hw raid, and want to do:
> fdisk /dev/md0
> mke2fsc -j -m 1 /dev/md0
> mount /dev/md0 /Raid
>
> but there is no such thing as /dev/md0 ... *pout*
Err, right, there isn't. /dev/md? is only for software RAID devices.
If you've got the 3ware kernel modules loaded, then your 3ware RAID
device should show up as /dev/sd? dmesg should have more info, or
/proc/scsi.
> what is the name of the device ( /dev/xxx ) that 3ware built ??
> - went digging/googling around but didnt find my answer yet
>
> for freebsd ... i think its /dev/twed
>
> -- if its supposed to be /dev/md0 ... guess some step along the
> way is missing in the steps i did to configure the 3ware 7500-8 card
>
> -- ie .. i dont see the 3ware bios section that allows
> a JBOD vs raid5 either... so its defaulted to raid5 for now
There is a way to configure the 3ware card to just work as JBOD. I
don't recall what it is offhand (I've got an older card with only 4
ports as well). It doesn't seem to make much sense to buy a pretty nice
RAID card like this one and then not use it's RAID features, though.
HTH,
Greg
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next prev parent reply other threads:[~2003-02-23 6:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-23 5:08 3ware 7500-8 confusion Alvin Oga
2003-02-23 6:03 ` Gregory Leblanc [this message]
2003-02-23 7:33 ` Alvin Oga
2003-02-23 8:53 ` Maurice Hilarius
2003-02-24 14:41 ` Joshua Baker-LePain
2003-02-24 17:58 ` Gregory Leblanc
2003-02-23 9:36 ` Luca Berra
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