On Qui, 2006-03-16 at 16:41 +0100, Ivan Warren wrote:
> >
> > Only problem was that the network interface did not come up. Trying to
> > manually start it resulted in:
> > # ifup eth0
> > Ignoring unknown interface eth0=eth0.
> >
> > This looks like an issue related to udev persistent device naming.
> >
> > Further info:
> > - The ctc module was loaded:
> > # lsmod
> > Module Size Used by
> > ctc 79648 0
> > fsm 12544 1 ctc
> > cu3088 12292 1 ctc
> > ccwgroup 15104 1 cu3088
> > dcssblk 20504 0
> > dasd_fba_mod 17408 0
> > dasd_eckd_mod 109824 6
> > dasd_mod 79924 8 dasd_fba_mod,dasd_eckd_mod
> >
> > - Network config is a basic static configuration; from
> > /etc/network/interfaces:
> > auto ctc0
> > iface ctc0 inet static
> > address 10.19.92.1
> > [...]
> >
>
> ... For Info ....
>
> I had to add a file such as this to /etc/network/if-pre-up.d :
>
> ctc0 :
> **********
> #!/bin/sh
> exec > /dev/null 2>&1
> echo "0.0.0400,0.0.0401" > /sys/bus/ccwgroup/drivers/ctc/group
> echo "1" > /sys/bus/ccwgroup/devices/0.0.0400/online
> **********
>
> (it's a dual CTC link at CCUU 0400 & 0401)
>
> Apparently this needs to be done so as to indicate the grouping
> (CCUU/CCUU+1 was probably implicit in 2.4).
>
> I had to do this some time ago when I switched to 2.6 and I think it was
> Bastian who told me this.
>
> Note that for the 1st time, since the update to klibc 1.2.4-1, I've been
> able to complete a 2.6.15 kernel IPL (I suspect the issue was a problem
> with pivot_root). Now also I had to change the parm line and /etc/fstab
> due to the change in the DASD naming convention from the devfs
> (/dev/dasd/0.LCSS.CCUU/partn) to the udev naming convention (/dev/dasdXY))
>
> --Ivan
>
I used the pre-up directive in /etc/network/interfaces as follows:
iface eth0 inet static
address 10.10.10.10
netmask 255.255.255.0
network 10.10.10.0
broadcast 10.10.10.255
gateway 10.10.10.1
pre-up echo 0.0.0700,0.0.0701,0.0.0702
> /sys/bus/ccwgroup/drivers/qeth/group
pre-up echo 1 > /sys/devices/qeth/0.0.0700/online
Hugo Monteiro.
>
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Hugo Monteiro
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Centro de Informática
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