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Old 08-08-2008, 12:17 AM   #1
Bryanlee
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Installing Mandriva 2008 on western digital 250g external


Hey everyone,
I am attempting to install Mandriva 2008 onto my western digital 250g external hard drive. My laptop is a Dell Inspiron 9300. Here is what i have done so far and the results.

First thing i did was change the boot precedence to put usb as primary and the HDD as secondary. I would like for everything to be on the external so that it does not effect the MBR on my internal HDD. I tried to take the internal HDD out of the equation by removing it, but found i was unable to even boot from a disk without it. Not a big deal so i moved on. Now to the actual install.

I inserted my Mandriva 2008 Live CD.

Everything loads fine and the install wizard finds both my HDD and my external drive.

I select the external HDD and format it as follows:
/
/swap
/home

The install process continues on and seems to be going fine.

At the end of the process i get an option of where to install GRUB.

The options are:

/dev/sda (internal)
/dev/sdb (lots of numbers here)
/dev/sdb1 (root)
/dev/sdb5 (swap)
/dev/sdb6 (home)

I tried installing GRUB to both /dev/sdb and /dev/sdb1

I dont want the grub installed on my internal HDD although i have a hunch that it would work if i put it here. Shouldn't i be able to install GRUB onto the external and boot from there without altering the MBR on my internal HDD?

After installing to either /dev/sdb or /dev/sdb1 it tells me to remove the media and restart. Everything still looks good up to this point.

During the restart it tries to boot from the external(which is good), but it hangs at the Mandriva splash screen. There is a progress bar at the bottom left of the screen but it never moves. In addition to that my Caps Lock and Scroll Lock lights begin to blink. Not sure if that means anything.

In order to restart from here I have to kill power to my laptop. I'm lost after this and hoping someone can tell me where i went wrong.

Thanks in advance for any help.

Bryan
 
Old 08-08-2008, 03:37 AM   #2
ronlau9
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If a understand you well than CD or DVD Drive is the first boot able device
SDB was the first boot able HD
SDA the second boot able HD
SO in my opinion GRUB should be on the MBR of SDB so it would not effect SDA
Although my drives are all internal Mandriva is on SDB GRub is on SDB
But if I like to use Mandriva SDB should the first boot able HD
OH yes it gives a lot of choices where to put GRUB
 
Old 08-08-2008, 04:07 AM   #3
Bryanlee
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USB is the first boot option, followed by the internal HDD. I agree that GRUB should be on SDB so as not to interfere with the internal HDD. The problem is that when i do that it will not boot. If i have to put GRUB on SDA (internal drive) i will but i would prefer it on SDB (external). Any idea as to why it hangs up during the boot process?
 
Old 08-08-2008, 04:22 AM   #4
ronlau9
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Quote:
Originally Posted by Bryanlee View Post
Hey everyone,

I tried installing GRUB to both /dev/sdb and /dev/sdb1

Bryan
But where did you install it on SDB OR SDB1
Mine is only on SDB
IS SDB a empty Drive with no other OS
IF so maybe it is worth to reinstall using the hole drive and installing
GRUB on SDB to rule out all possible mistakes
 
Old 08-08-2008, 05:43 AM   #5
Bryanlee
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SDB is the External HDD itself and contains only Linux partitions
SDB1 is the /root partition on the external HDD
SDB5 is the /swap partition
SDB6 is the /home partition

After installation I am assuming that GRUB should be installed to SDB1 since it occupies the first part of the disk. I have tried the installation doing it both ways (once on SDB and once on SDB1) with the same result both times.

During the partitioning part of the install I have two options. One is for my internal HDD (SDA) which i am not using and the other is for my external (SDB) which is what i want to use. I use the auto format feature on SDB which gives me three partitions mentioned above. After the install i get the above four options for installing GRUB. I would assume that is should be installed on SDB1, but that did not work and neither did SDB. After both installations i got the same result which is the screen freezes at the Mandriva splash screen.
 
Old 08-08-2008, 07:15 AM   #6
ronlau9
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If I compare it with disk lay out I have one partition more and that is SDB2 being a LVM partition
I do not know if it matters
Mount point SDB1 :/
SDB2 :/swap
SDB6 :/home
 
Old 08-08-2008, 07:55 AM   #7
Bryanlee
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Mine is pretty much just like that. I am going to play around to see if i can figure out why it keeps hanging at the splash screen.

Thanks for the info.

Bryan
 
Old 08-08-2008, 09:11 AM   #8
yancek
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Haven't installed Mandriva for a while but you should get an option to install to mbr (of sdb). Is that what you selected? What are the "lots of numbers here" you mentioned after sdb?
 
Old 08-08-2008, 09:45 AM   #9
Bryanlee
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I am getting an option to install GRUB, but only to the above mentioned four locations. The problem is that when i attempt to boot to the external HDD it freezes up at the Mandriva splash screen. I am going to try it again and see if i am missing something.

Thanks again,
Bryan
 
Old 08-08-2008, 09:59 AM   #10
yancek
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If you have your external drive as first boot device and install Grub to the root partition of sdb (sdb1 or (hd1,0)in Grubspeak) it won't boot. All drives have an mbr and you need to get it there since you don't want to use the internal drive to boot.
 
Old 08-08-2008, 11:07 AM   #11
ronlau9
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Quote:
Originally Posted by yancek View Post
If you have your external drive as first boot device and install Grub to the root partition of sdb (sdb1 or (hd1,0)in Grubspeak) it won't boot. All drives have an mbr and you need to get it there since you don't want to use the internal drive to boot.
When I install Mandriva recently in my case on SDC it gives me to option to install GRUB on SDC and it boots because Mandriva writes on MBR Of
SDC
 
Old 08-08-2008, 11:31 AM   #12
yancek
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Quote:
When I install Mandriva recently in my case on SDC it gives me to option to install GRUB on SDC and it boots because Mandriva writes on MBR Of SDC
Right. That should work if he is installing to sdb but, it doesn't. I'm curious about his comment in the first post:
Quote:
/dev/sdb (lots of numbers here)
Obviously, Grub isn't installing correctly?
 
Old 08-09-2008, 12:18 AM   #13
Bryanlee
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After the installation i get the option of where to install GRUB. The options are as follows:

/dev/sda (internal)
/dev/sdb (lots of numbers here)
/dev/sdb1 (root)
/dev/sdb5 (swap)
/dev/sdb6 (home)

Essentially it's just what it says, after /dev/sdb in parenthesis there are a lot of numbers (probably 16+). I have no idea of the significance. I have formatted and reinstalled four time so far and had the same results each time. I will keep pokinf around to see if i can figure it out.
 
Old 08-10-2008, 01:53 AM   #14
Bryanlee
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Ok well i ended up just installing directly to the internal hard drive. Still not sure why i was unable to boot from the external. Thanks for the help.

Bryan
 
  


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