Embarrassingly naive question regarding hardware RAID

Emily Eileen Witcher emily at crytech.com
Thu Aug 29 12:58:03 CDT 2002


Thanks to everyone who answered my question. It's good to know there is such
an active support community here!

Emily Witcher - emily at crytech.com


----- Original Message -----
From: "jason andrade" <jason at dstc.edu.au>
To: "Emily Eileen Witcher" <emily at crytech.com>
Cc: <linux-poweredge at dell.com>
Sent: Wednesday, August 28, 2002 10:38 PM
Subject: Re: Embarrassingly naive question regarding hardware RAID


> On Wed, 28 Aug 2002, Emily Eileen Witcher wrote:
>
> > I am used to using software RAID, and we have PowerEdge 1550 servers
with
> > PERC 3/DCL that we have not yet set up. They came preintstalled with
Linux
> > 7.2 but we have reinstalled Linux since then. My naive question is, are
the
> > partitions supposed look like /dev/md# with the hardware RAID setup?
Right
> > now they just look like /dev/sd#
>
> /dev/md# is when you use software raid under linux.
>
> /dev/sdX is when you use plain scsi OR hardware raid.  the operating
system
> sees a hardware raid volume as an ordinary scsi disk.  it doesn't know or
> need to know whether it is actually a RAID0/1/5/whatever configured
device.
>
> regards,
>
> -jason
>
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