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Re: [PLUG] Ubuntu & Drive Order
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- From: "K.S. Bhaskar" <bhaskar@bhaskars.com>
- To: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
- Subject: Re: [PLUG] Ubuntu & Drive Order
- Date: Sat, 8 Dec 2007 17:51:12 -0500
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When you have a drive mounted, you can use vol_id to identify the UUID
of the file system. Then modify the /etc/fstab entry for that file
system to identify it by UUID rather than by device+partition, e.g.:
kbhaskar@bhaskark:~$ sudo vol_id --uuid /dev/sda1
4dd1d683-189c-4ff1-91a9-f8b9e315022b
kbhaskar@bhaskark:~$ grep -i 4dd1d683-189c-4ff1-91a9-f8b9e315022b /etc/fstab
UUID=4dd1d683-189c-4ff1-91a9-f8b9e315022b / jfs
defaults,errors=remount-ro 0 1
(Look out for line breaks - there are exactly 4 lines in the block above.)
-- Bhaskar
On Dec 8, 2007 5:19 PM, <jazzman@exdomain.org> wrote:
> Sorry, this is new to me... how do I relate that to any given drive?
> Everytime I make a hardware change and reboot the drives get new /dev/sdX
> designations... Occasionally I'll also have a drive appear in the /dev/sdX
> listing but not be accessible...
>
> Any ideas? If this keeps reordering drives I don't think this raid array
> idea is going to work...
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