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  • From: "Eric Sandall" <eric AT sandall.us>
  • To: sm-discuss AT lists.ibiblio.org
  • Subject: Re: [SM-Discuss] SMGL 0.6-beta3 testing please!
  • Date: Sat, 14 Jun 2003 00:51:31 -0700 (PDT)

Eric Sandall said:
<snip>
> I just checked, there IS support for RAID devices (I'm using ataraid), but
> the partition utilities only look in /devices/discs for disks to
> partition. I believe (at least for ataraid.o) that the partitions are
> loaded in /dev/ataraid/, but when I try loading any of those I get
> "Invalid disk".
>
> Also, when the kernel is loading, it does a 'Partition check:", where I
> get the following error for each possible ATA drive:
>
> /dev/ide/host2/bus0/target0/lun0: unknown partition table
>
> This is correct as far as I know, as I have no disks installed on those,
> only on my ATA RAID controller, but should it perhaps find that as well?
> It _does_ load the PDC20276 IDE controller and identifies my drives as
> hde, hdf, hdg, and hdh.
>
> Has anyone setup RAID (preferably ATA RAID) on Linux before? Using SMGL?
> I loaded the ataraid.o module, which then creates /dev/ataraid, and the
> RAID HOWTOs say that I should now be able to access my mirror (which I
> generated with the onboard tools), but I get a "FATAL ERROR: Cannot open
> disk drive".
>
> -sandalle

Well, I've gotten further on this, after reading that IDE Hardware RAID is
just a BIOS hack for crappy software RAID and that the md RAID in the
kernel is much better (http://linux.org.mt/article/ata-raid), I decided to
just use the md raid (md.o and raid<x>.o). However, I ran into the snag
that raidtools is required to finangle software RAID in Linux. So, since
the ISO doesn't have it (for only a short time, I hope), I compiled it on
my laptop and copied over the binaries to a floppy and mounted that on my
server and started going away according to this helpful link:
http://help-site.com/LDP/HOWTO/mini/Boot+Root+Raid+LILO-4.html#ss4.2

Now I have a slight problem...as I mentioned earlier, the ISO installer
only looks at /devices/discs/* (and possible /devices/scsi if you have
SCSI, haven't tried that), and not /devices/md* (for software RAID).

I now have my (2) 200Gb drives as RAID+1 on /dev/md0 and my (2) 80Gb
drives as RAID+1 on /dev/md1 (stupid onboard software for RAID would only
allow one RAID Array, since it's the "Lite" version! "Bleh!", I say!).
But when I go to "Mount Filesystems" I have a choice of disc[0-3], but I
cannot find where to change this on the ISO.

Is there a way to "skip" this part and mount my filesystems as they should
be? What are the mount points that the ISO Installer looks for to copy
the image?

I will keep hammering away at this. :(

-sandalle

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Eric Sandall | Source Mage GNU/Linux Developer
eric AT sandall.us | http://www.sourcemage.org/
http://eric.sandall.us/ | SysAdmin @ Inst. Shock Physics @ WSU
http://counter.li.org/ #196285 | http://www.shock.wsu.edu/




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