Re: Raid functioning on test3-pre7 annyone ?

From: Thorsten Kranzkowski (th@Marvin.DL8BCU.ampr.org)
Date: Mon Jul 10 2000 - 09:38:58 EST


On Mon, Jul 10, 2000 at 04:35:43PM +0200, Michael Meding wrote:
> Please can somebody confirm that a raid devices which is made under
> 2.2.14 or else is running under 2.4.0-test3-prex ?

Yep, I do, on Alpha platform.

Since the on-disk format has changed from the 'traditional' raid (which
is included in stock 2.2.x kernels) to the recent raid (included in 2.4.x,
exists as patch to 2.2.x) you must use the recent raidtools.
You need to tell them to treat your (existing) raid-array as 'old style'
by adding a line to /etc/raidtab, though.

[Marvin:~#] raid0run --version
mkraid version 0.90.0

[Marvin:~#] cat /etc/raidtab
raiddev /dev/md0
        raid-level 0
        nr-raid-disks 2
        nr-spare-disks 0
        chunk-size 8
        persistent-superblock 0 #<<<<<<< insert this line

        device /dev/sdb1
        raid-disk 0
        device /dev/sdc1
        raid-disk 1

> The raid use is on an adaptec 2940 with 2 ddrs ibm's in raid0 config. If
> somebody confirms that this should run I am looking more in depth at my
> configuration.

I think it should run.

Bye,
Thorsten

-- 
| Thorsten Kranzkowski        Internet: dl8bcu@gmx.net                        |
| Mobile: ++49 170 1876134       Snail: Niemannsweg 30, 49201 Dissen, Germany |
| Ampr: dl8bcu@db0lj.#rpl.deu.eu, dl8bcu@marvin.dl8bcu.ampr.org [44.130.8.19] |

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