[dm-devel] Boot Problems with Multipath

[malahal at us.ibm.com]

jose nuno neto [jose.neto at liber4e.com] wrote:
> Hi2all
> 
> I was doing some testing on multipath on san and copied a
> /etc/multipath.conf from one machine to another. each machine has local
> disk for / and all OS partitions. San/multipath is used only on data.
> I had black list local disk on /etc/multipath.conf but when I copied from
> one machine to the other...no longer blacklist
> After this ( i didn't noticed the error ) I issue a mkinitrd
> 
> After all this when rebooting the machine with the wrong local disk black
> list, the boot hangs after setting hostname, wtih message "cannot create
> directory /var/lib filesystem read only"
> 
> I have gonne into rescue mode, rebuild initrd, disable friendy_names
> option ( read some references about it) but cant boot. Now no create
> directory errors but doesn't go after setting hostname
> 
> Any clues on how to fix it?

Create /var/lib/multipath/bindings file and reboot.