>From the Supermicro FAQ (on their site):

Q: I have your P4SCE [MB] and I want to use a Linux- based OS.  Can I also
use the onboard SATA controller and RAID function?

A: Yes, we support Linux Red Hat 7.3; 8.0; 9.0 in P-ATA or S-ATA but without
RAID function. The SATA function in our P4SCE operates from Intel's ICH5R
chipset. So far Intel only has SATA RAID driver for Windows 2000, XP or
Server 2003 operating system. (PM)


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Trevor
Sent: Wednesday, July 30, 2003 4:57 PM
To: [EMAIL PROTECTED]
Subject: RE: raid1, rh9 & SATA drives


Let me take a wild guess... your MB has a hpt370 chip or a promise chip for
ata raid right?

<taken from a previous post of mine...>
IIRC, many cheap raid cards are nothing more than an IDE controller with a
raid bios.  You still have to rely on the OS in order to handle
up-to-the-minute raid features.  Trust me, many cards including the 1200,
promise cards, HPT, etc don't work the way true HW raid does.  It's not true
raid and you will not be happy with it.

How do I know?  I have a generic highpoint 37x raid card, an Adaptec 1200
(has the 37x chip) and an Adaptec 2400 (which uses the DPT chip, I think).
The 37x cards are totally useless... well I could always stick them in a
Windows box, I guess.

See here for more information:
http://www.ssc.com/pipermail/linux-list/2002-January/021963.html


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Roger
Sent: Wednesday, July 30, 2003 2:55 PM
To: [EMAIL PROTECTED]
Subject: raid1, rh9 & SATA drives


I have a 1u server - the description is listed below.

http://www.supermicro.com/PRODUCT/SUPERServer/SuperServer5013C-T.htm

I've loaded up RH9 with raid1 setup and I've updated the OS with all
the latest rpms(kernel included) and such.

The drives for the raid setup are Western Digital hot-swappable Serial
ATA drives.  So I figured with hot swappable drives running raid1 I'd
be able to yank a drive up and still have things running.  Then looking at
/proc/mdstat I'd see 1 drive down - but the
system *should* keep running.

Anyhow I pulled a drive, typed few basic commands - got some junk that
rolled across console - then the system froze.  People could no longer
ping the machine, console was unresponsive, ctl-alt-del didn't work.
I had to power cycle the machine.

Basically I'm asking why I'm seeing this behavior - w/ a system
running raid1 with and hotswapable?  Is there anything I can do as far as
hard/software
setup to make sure linux keeps running.  In theory one drive can fair the
the other should still work.

--
Rock River Internet                          Roger Grunkemeyer
202 W. State St, 8th Floor                [EMAIL PROTECTED]
Rockford, IL 61101                                815-968-3888





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