I don't know if this is the same, it has been quite a while.  When I
had to add LOTS of dasd to a turbolinux system for LVM, I had to do a
'mknod /dev/dasd?  major minor', 'mknod /dev/dasd?1 major minor+1' for
each dasd address I wanted to add. But I forget at what number of dasd
I had to start doing this.

The other thing that just hit me about formatting dasd was lack of
memory. I was using a server that had originally been set up as a
limited firewall, defined with only 32MB. When I tried to dasdfmt the
disk, linux ran out of memory and killed sshd so my connection dropped.
When I upped the virtual machine size to 64MB, everything ran fine.

/Tom Kern

--- Greg Evans <[EMAIL PROTECTED]> wrote:

> I have been attempting to add another DASD to TurboLinux (OS/390).  I
> know
> I have done the CP directory entry correctly for the minidisk (cyl 1
> not
> 0), and I have formatted it using ICKDSF.  I run into difficulty when
> the
> Linux guest has the new disk and I try to do the insmod and the
> dasdfmt.
> The insmod appears to work okay, however the dasdfmt will not work
> and the
> Linux guest becomes disabled.  As in not able to do common commands
> such
> as ls, vi or even to view a file.  I cannot even issue shutdown, (the
> commands get an I/O error) so I have to crash the guest as in forcing
> it
> to logoff.
>
> Here is a sample of what I get on the VM cons log when this is
> happening;
>
> dasd:Cannot register to major no 94, rc = -16
> dasd:Couldn't register successfully to major no 94
> ll_rw_block: Trying to read nonexistent block-device 5e:01 (38954)
> EXT2-fs error (device unknown-block(94,1)): ext2_write_inode: unable
> to
> read ino
> de block - inode=71562, block=131264
>
> Has anyone had a similar experience and if so how did you correct it.
> Thanks,   Greg Evans
>
>
>
>
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