Re: SCSI disk names change when adding / removing devices.

From: Naoki (naoki_at_valuecommerce.com)
Date: 07/12/04

  • Next message: Pedro Fernandes Macedo: "Re: fc2 yum install mplayer with livna has dependency problem" 
    Date: Mon, 12 Jul 2004 15:00:51 +0900
To: For users of Fedora Core releases <fedora-list@redhat.com>

    Ok, I understand that cheers, but I'm not having a problem with the
    ordering of the devices it's the ordering of the controllers.
    I have two controllers. The first, and LSI ( the internal ), and my
    newly added Adaptec.
    The LSI is detected first by the Bios and the Adaptec second ( which is
    what I want ). So why would the adaptec be assigned sda and my internal
    disks get sdb ?

    That's what's breaking things for me. Because my internal disks are no
    longer sda1/2/3 my kickstart build fails (or installs onto the external
    array which I really don't want).

    Anything I could do here, I think it's the hardware being funny and
    presenting itself to the kernel in the wrong order perhaps?

    -n.

    Jeff Vian wrote:

    >On Sun, 2004-07-11 at 21:56, Naoki wrote:
    >
    >
    >>Hi all,
    >>
    >> I have a problem, when I install my OS ( FC2 ) on my nice machine
    >>with an internal scsi controller my two disks are sda and sdb, which is
    >>all nice and expected. But then when I add a new scsi card and hook up
    >>the external disk array the new array now becomes sda which has a very
    >>negative effect, can't boot..
    >>
    >>Any helpful hints? I could label the disks sure but then swap is still
    >>on sda2 and that's a problem.
    >>
    >>
    >>
    >
    >The order of the scsi adapters being configured at boot time causes
    >that.... first adapter --> first device ==> sda. AFAIK the easiest way
    >to fix that is to swap the positions on the mobo so the original adapter
    >is seen first.
    >
    >BTW, by the time you labeled the partitions you could also change fstab
    >for swap as well as the filesystem partitions. The real problem I would
    >see is the location of the grub boot image.
    >
    >HTH
    >Jeff
    >
    >
    >
    >
    >
    > 

    


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