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Re: [linux-lvm] LVM on an external USB device - why not?

Go for it. I've had such a system running since april 2006.
There really is nothing special about it.


On Mon, Oct 15, 2007 at 12:40:29PM +0100, Ian Burnett wrote:
> My current system configuration is a 250GB internal IDE HDD, managed 
> using LVM2 under Fedora Core 6. What I would like to do is to put this 
> disk into an external USB enclosure to reduce heat generation inside the 
> PC. Another reason is to allow the addition of extra disks very easily 
> (current case only has room for 1x 3.5" HDD).
> Once the USB drive is connected, I will be performing the initial boot 
> stages off a small (2GB) solid-state CF disk, so I don't necessarily 
> need the full "boot from USB" capabilities.
> I can't see any problems in doing so myself. I realise that if 
> additional usb-storage devices are added, then the raw device may change 
> from /dev/sda to /dev/sdb, but with LVM using PV UUIDs to locate 
> devices, won't that be irrelevant?
> Are there any caveats to doing this? I haven't seen anything 
> particularly relevant on the archives of this mailing list, and I've 
> Googled around the subject. I did discover a couple of boot-from-USB 
> walkthroughs scattered around the web which unhelpfully said "don't do 
> it" without giving any particular reasons. That was from some old posts 
> (c. 2005), without any citations, and didn't mention LVM2 so could have 
> been based on LVM1.
> All advice welcomed.
> Ian.
> -- 
> Ian Burnett :: www.ianburnett.com
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> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

Janne Peltonen <janne peltonen helsinki fi>

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