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#1 2008-01-31 01:06:33

smartboyathome
Member
From: $HOME
Registered: 2007-12-23
Posts: 334
Website

Install Arch to an external hard drive?

Hi, I looked at Arch Linux a while ago, but dismissed it because I couldn't get it to work. I would like to try it again, but this time on an external hard drive. Anyway, I would like to know how to get grub to see it is on an external hard drive, how it would install, etc. Anyway, thanks to anyone who helps.

P.S. should this guide work similarly for Arch (when modified accordingly)?

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#2 2008-01-31 04:51:44

zyghom
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From: Poland/currently Africa
Registered: 2006-05-11
Posts: 432
Website

Re: Install Arch to an external hard drive?

it is much easier
I did it few days ago - no problems actually
The only hints:
1-depending where you connect your external usb hdd it might be 1st 2nd or even 3rd hdd in the system so /boot/grub/menu.list must be respective to this (or multiconfig)
2-same with mounting / - it is better to use mount-by-uuid than /dev/sd[x]

as for me I made multiconfig and tested on few laptops/desktops - always working


Zygfryd Homonto

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#3 2008-01-31 21:00:14

smartboyathome
Member
From: $HOME
Registered: 2007-12-23
Posts: 334
Website

Re: Install Arch to an external hard drive?

How would I find out the UUID for the partition I am going to use while installing GRUB?

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#4 2008-01-31 21:05:46

zyghom
Member
From: Poland/currently Africa
Registered: 2006-05-11
Posts: 432
Website

Re: Install Arch to an external hard drive?

ls -la /dev/disk/by-uuid

even if you start from cdrom then uuid of parition is not changing
you can also make label for partition and then /dev/disk/by-label


Zygfryd Homonto

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#5 2008-01-31 21:43:18

loosec
Member
Registered: 2007-03-08
Posts: 134

Re: Install Arch to an external hard drive?

http://wiki.archlinux.org/index.php/Per … ice_naming  This would explain most of the uu-id naming scheme. Quite brilliant I'd say.

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#6 2008-02-04 18:35:07

verzinner
Member
From: Russia
Registered: 2008-02-04
Posts: 2
Website

Re: Install Arch to an external hard drive?

Hi all

I've the same problem. I install Arch on my usb-hdd and when booting - get "Root device /dev/sdc1 doesn't exist"

I used uuid too. There is  same problem.

I installed ubuntu on that device too - and it's downloading normally.

Sorry, english is not my native language sad  , but I hope you understand me.

I posted my problem in russian forums too. Our community is keeping silence


I tried:

/boot/grub/menu.lst    kernel-line:

root=/dev/sdc1           --when booting  "Root device /dev/sdc1 doesn't exist"
root=/dev/disk/by-uuid/XXXXXXXXX                  --when booting  "Root device /dev/disk/by-uuid/XXXXXXXXX    doesn't exist"

In /etc/fstab I change /dev/sdc1 on /dev/disk/by-uuid/XXXXXXXXX   too


In der große Familie nicht Klüven klatz-klatz

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#7 2008-02-11 22:54:14

gorn
Member
Registered: 2008-02-01
Posts: 56

Re: Install Arch to an external hard drive?

try adding root-delay (or is it rootdelay? try both) to the command line to give your usb host some time to identify the drive:

root=/dev/sdc1 rootdelay=10 root-delay=10

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#8 2008-02-12 10:41:13

verzinner
Member
From: Russia
Registered: 2008-02-04
Posts: 2
Website

Re: Install Arch to an external hard drive?

gorn wrote:

try adding root-delay (or is it rootdelay? try both)

Yes. I tried it. There was the same result.

I found some info about it. Somebody think that I must remake initrd after install arch and add support of usb-hdd (because kernel doesn't see it ).

But I don't know how to do that.


In der große Familie nicht Klüven klatz-klatz

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#9 2008-07-03 03:46:33

desmopro
Member
Registered: 2008-07-03
Posts: 2

Re: Install Arch to an external hard drive?

Hi ,

Is it possible to install on a Archlinux External HDD with a computer without any HDD Internal?

Sorry for my english, i am french tongue wink

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#10 2008-07-03 04:01:09

lilsirecho
Veteran
Registered: 2003-10-24
Posts: 5,000

Re: Install Arch to an external hard drive?

If the computer bios allows USBHDD boot, there should be no problem.  I assume your computer has no IDE slot, just SATA.


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Hard work does not kill people but why risk it: Charlie Mccarthy
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When ALL is lost, what can be found? Even bytes get lonely for a little bit!     X-ray confirms Iam spineless!

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#11 2008-07-03 04:15:28

desmopro
Member
Registered: 2008-07-03
Posts: 2

Re: Install Arch to an external hard drive?

Quite the contrary: It is my old PC in IDE and I have no HDD IDE, my external it is a SATA:)

Thank for rapid reply;)

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