USB harddrives and device associations

From: Darryl Clarke (smartssa_at_gmail.com)
Date: 08/30/04

  • Next message: Stefan O'Rear: "Re: KDE 3.3 logout crashes the system" 
    Date: Mon, 30 Aug 2004 14:10:44 -0400
To: debian-user@lists.debian.org

    Hi,

    This may be a simple question, or complicated.

    I have a lot of USB drives that I deal with and I'm getting quite
    annoyed that whenever I switch drives the /dev/sdX association changes
    too. I started on /dev/sda and now I'm currently on /dev/sdp and I
    have to edit my fstab every time I switch drives around.

    Even if I put it in the same port, the associated device changes.

    So, here's my question. Is there a way to have the device associated
    be the same based on which USB port I plug it into?

    example: (one root hub '1' with 4 ports and a 4 port hub plugged into it)
    port USB 1-1 -> /dev/sda
    port USB 1-2 -> /dev/sdb
    port USB 1-3 -> /dev/sdc
    port USB 1-4 -> this is a 4 port hub
    port USB 1-4.1 -> /dev/sdd
    port USB 1-4.2 -> /dev/sde
    port USB 1-4.3 -> /dev/sdf
    port USB 1-4.4 -> /dev/sdg
    etc.

    That is basically how it would end up after the first boot. However,
    if I unplug /dev/sda and plug in a different drive it will get
    /dev/sdh and so on.

    I dabbled in using LABEL based mounting, but unfortunately that only
    works with extfs and a lot of these drives are FAT32 so I need to have
    the dev stay consistant so I can not have to edit /etc/fstab every
    time the associated device changes.

    I'm open to any suggestions on alternate handling methods of what is
    now only a few drives, but will be in the future hundreds. (only about
    7 to 10 plugged in at once though ;))

    Thanks. 

    -- 
Darryl
smartssa@gmail.com
http://smartssa.com / http://darrylclarke.com
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