Re: Help: F11 anaconda doesn't see my hard drives

[Sam Varshavchik <mrsam@xxxxxxxxxxxxxxx>]

Bill Davidsen writes:

> Sam Varshavchik wrote:
> > David Timms writes:
> >
> > > On 06/28/2009 11:10 AM, Sam Varshavchik wrote:
> > > > 4) Anaconda sees neither the softraid partitions, nor the actual
> > > > underlying /dev/sd? devices at all.
> > > When you say softraid, you mean linux software raid, rather than bios 
> > > raid or hardware raid ?
> >
> > Yes. Linux softraid.
> >
> > > Maybe it is related to:
> > > https://fedoraproject.org/wiki/Common_F11_bugs#Kickstart_installations_cannot_reuse_existing_RAID_arrays 
> >
> > No. I am not doing a kickstart install.
> >
> > And I succesfully updated two other machines with F10 installed on Linux 
> > softraid, to F11.
> >
> > Something in Anaconda is failing to see the second and the third drive 
> > on a machine with the first drive being an IDE drive, and the 2nd and 
> > the 3rd drive being SCSI drives. It doesn't see the drives, but I can 
> > flip over to the ALT-F2 shell, and run mdadm --assemble --scan. mdadm 
> > ends up creating /dev/md125, /dev/md126, and /dev/md127 (!), rather than 
> > /dev/md[012], but I can mount them manually and see my existing F10 
> > partitions.
> This sounds as if either the raid or scsi modules are not being loaded. My guess 
> would be the scsi modules, but if you haven't solved this yet, when you get 

Of course they're getting loaded. As I said: I can run mdadm to assemble the 
RAID and mount them. If they weren't getting loaded, mdadm would do bupkis.

I'd be surprised if mdadm, on it's own:

* Surveyed the attached IDE and SCSI hardware

* Mapped them to the supporting kernel module(s)

* Loaded the kernel module(s)

I'd be surprised if mdadm has all that logic built-in. More than likely it 
just sweeps all the existing device nodes, looking for RAID partitions it 
can assemble together.

> started, could you 'lsmod' and see if the scsi stuff is loaded before running 
> mdadm? mdadm is smart, they might be loaded on demand.

Actually, I can run 'fdisk /dev/sdb' and 'fdisk /dev/sdc' before running 
mdadm, and read the partition table. Everything is loaded, kernel-wise.

Bug 508554 -- F11 anaconda is seeing the disks, but intentionally ignoring 
them, for some reason.

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