Neil,
I'm on crack. I went into my kernel config to verify the setting, and as
it turns out, I compiled in RAID0 support instead of RAID1
Thanks for the help.
On Tue, Mar 20, 2001 at 04:08:18PM +1100, Neil Brown wrote:
> On Monday March 19, [EMAIL PROTECTED] wrote:
> > I'm having trouble running a RAID1 root/boot mirror under 2.4.2. Works
> > fine on 2.2.14 though.
> >
> > I'm running RH 6.2 with stock 2.2.14 kernel. Running RAID1 on a pair of
> > 9.1 UW SCSI Barracudas as root/boot/lilo. md0 is / and md1 is 256M swap,
> > also a 2 drive mirror. I built the RAID1 at install time using the Redhat GUI.
> >
> > This configuration works flawlessly. However, I've recently compiled the
> > 2.4.2 kernel, with no module support; RAID1 static. When 2.4.2 boots, I
> > get an "Kernel panic: VFS: Unable to mount root fs on 09:00".
> >
> > Here's the RAID driver output when booting 2.4.2:
> >
> > autodetecting RAID arrays
> > (read) sda5's sb offset: 8618752 [events: 00000022]
> > (read) sdb5's sb offset: 8618752 [events: 00000022]
> > autorun ...
> > considering sdb5 ...
> > adding sdb5 ...
> > adding sda5 ...
> > created md0
> > bind<sda5,1>
> > bind<sdb5,2>
> > running: <sdb5><sda5>
> > now!
> > sdb5's event counter: 00000022
> > sda5's event counter: 00000022
> > do_md_run() returned -22
> > md0 stopped.
> >
> > Note: This RAID1 mirror works great under 2.2.14. Under 2.4.2 I get the
> > "returned -22" - What does this mean?
>
> -22 == EINVAL
>
> It looks very much like raid1 *isn't* compiled into your kernel.
> Can you show us your .config file?
>
> Also /proc/mdstat when booted under 2.2 might help.
>
> NeilBrown
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