[Eisfair] E1 LILO Duplicated Volume ID

Holger Bruenjes holgerbruenjes at gmx.net
Do Jun 19 22:48:24 CEST 2014


Hallo

Am 2014-06-19 22:34, schrieb Thomas Bork:
> Am 19.06.2014 21:44, schrieb Marcus Roeckrath:
> 
>> IMHO sind es die RAID-Platten sda/sdb mit der gleichen Volume-ID.
>> Zu ändern sollte das mit "sgdisk -G ...." sein.
> 
> Vorsicht, eventuell hat das weitere Auswirkungen, da das Raid ja nun 
> schon erstellt ist. Der Installer macht das _vor_ Zusammenbau des Raids 
> mit mdadm...



[...

Some other program has written into the DR-DOS/WindowsNT/LILO volume ID
area of the master boot record (volumeID == serial number).  This is
the
area which occupies 8 bytes just before the partition table.

Without seeing "lilo.conf", I can't tell if it will be safe to zero
this
area so that LILO can write new, unique, volume ID's to the disks.
It is
definitely safe if the "-x mbr-only" or "-x mbr" flags are used.  It
may
not be safe if another program such as EZ-BIOS or Disk Manager is using
that area for code or text.  An older Master Boot Record may also be
using
it, in which case it may be overwritten safely.

To zero the serial numbers and write new Master Boot Records:

    lilo -z -M /dev/hdc
    lilo -z -M /dev/hdd

then install the boot loader,

    lilo -v

On RAID1 installations, it is absolutely necessary for LILO 22.5+ to be
able to distinguish between the disk volumes.  They MUST have unique
serial
numbers / volume IDs.

...]

Holger



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