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SubjectRe: [2.2.11-ac1] Problems with md(raid)
Date
Guys (Gals?),

I THINK, but do not know for sure, that sw raid was finally upgraded to
0.90 for the 2.2.12pre1 (at least it is in 2.2.12pre4 that I'm
running). I think you need to translate your mdtab into a raidtab
file. Different syntax. Much better features. You may need to
"upgrade" your current raid disks to the new format. A backup would be
handy...

(I've been waiting FOREVER to get the raid 0.90 into the "official"
kernel every since I discovered that RedHat put the "alpha" 0.90 in
their kernel releases for RedHat 6.0. Since there were not patches
released with each kernel revision it's been kindof a pain. Thanks
Alan and Ingo for finally getting this in the official kernel. Now all
I have to hope for is the VPN (PPTP and IPSEC) masquerading.
Can/should I attempt to modify the patches so that they apply cleanly
to 2.2.12pre4?)

hth,

fwr

On Fri, 13 Aug 1999, Florian Lohoff wrote:
> On Thu, Aug 12, 1999 at 10:21:17AM +0200, German Eichberger wrote:
> > Hi,
> >
> > my Software Raid 0 (md) doesn't work any more. mdadd (Debian, V 0.35) reports
> > i21pc2:~# mdadd -a
> > /dev/sdb2: No such device
> > /dev/sda3: No such device
> >
> > with a mdtab like
> > /dev/md0 raid0,8k,0,7addcad1 /dev/sdb2 /dev/sda3
> >
> > In Kernel-version 2.9 everything worked fine.
> >
> > What can I do to fix it?
>
> Same with 2.2.12pre1 ...
>
> --------------------------------------------------------------------
> (root@move)~# cat /proc/mdstat
> Personalities : [raid0]
> read_ahead not set
> unused devices: <none>
>
> (root@move)~# cat /etc/mdtab
> # mdtab entry for /dev/md0
> /dev/md0 raid0,16k,0,a1e41498 /dev/sdb1 /dev/sdc1
>
> (root@move)~# mdadd -a
> /dev/sdb1: Operation not supported by device
> /dev/sdc1: Operation not supported by device
>
> (root@move)~# mdrun -a
> /dev/md0: Operation not supported by device
>
> (root@move)~# lsmod
> Module Size Used by
> raid0 2560 0 (unused)
> [...]
>
> (root@move)~# cat /proc/devices
> Character devices:
> [...]
> 10 misc
>
> Block devices:
> 8 sd
> 9 md
> --------------------------------------------------------------------
>
> Previously running 2.2.10ac12
>
> Flo
> --
> Florian Lohoff flo@rfc822.org +49-5241-470566
> Good, Fast, Cheap: Pick any two (you can't have all three). (RFC 1925)
>
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