Booting from external USB caddie +SSD

Help with issues regarding installation of Debian

Booting from external USB caddie +SSD

Postby AlexL » 2018-11-06 09:27

Hi,
Have been fighting with this for 2 days now. In order to get more free slots for more hdds inside the whitebox workstation I have, I bought and external disk caddie + SSD that I thought I'd boot from.

Booting from the Debian USB stick and installing it on the external USB drive caddie+SSD works, but it just wont boot on my HP Z400.
Moving that SSD into the SATA connector boots just fine.

Tested booting from the USB drive caddie+SSD in another computer works so there is nothing wrong with the caddie itself.

Booting from the Debian USB bootstick obviously works, so I am thinking of imaging the USB bootstick to the USB drive caddie+SSD as a bootloader and then copy the real OS partition to the SSD ?
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Re: Booting from external USB caddie +SSD

Postby bw123 » 2018-11-08 02:37

Moving drives around is tricky, and/or deleting partitions. The last thing I always (try to remember to) do is grub-install before a reboot when I'm doing stuff like this. On the other hand if you use UEFI then I'd reckon that would make no sense? I'm not down with the latest...

Two days is a long time, but yeah I've been there. I didn't really understand the problem description. Maybe if you posted partition layout, or blkid, or some info about what is a HP Z400? What's a whitebox workstation?
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Re: Booting from external USB caddie +SSD

Postby debiman » 2018-11-08 09:59

AlexL wrote:I bought and external disk caddie + SSD that I thought I'd boot from.

isn't even the slowest SSD much faster than even the fastest USB connection?
in other words, isn't this a waste of a perfectly good (and brand new) SSD?
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Re: Booting from external USB caddie +SSD

Postby AlexL » 2018-11-08 14:40

bw123 wrote:Moving drives around is tricky, and/or deleting partitions. The last thing I always (try to remember to) do is grub-install before a reboot when I'm doing stuff like this. On the other hand if you use UEFI then I'd reckon that would make no sense? I'm not down with the latest...

Two days is a long time, but yeah I've been there. I didn't really understand the problem description. Maybe if you posted partition layout, or blkid, or some info about what is a HP Z400? What's a whitebox workstation?


Hi,
Thank you for answering! I tried grub-install in all shapes, with removable tag and not and didn't get anywhere. As for the blkid its a simple debian install, no custom parameters AT ALL.
But you are saying it should work to move the boot partition of the USB stick to the SSD and point it at the main debian one , albeit with a lot of ninja ?

A HP Z400 is a regular workstation, nothing special about it other that it being old...

isn't even the slowest SSD much faster than even the fastest USB connection?
in other words, isn't this a waste of a perfectly good (and brand new) SSD?


Yes it is indeed slower especially since the workstation itself only has USB2 connectors... but I gain one more SATA slot... I would happily run debian on a USB stick honestly but am afraid the OS will die once it trashwrites the USB stick..
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Re: Booting from external USB caddie +SSD

Postby bw123 » 2018-11-08 14:48

AlexL wrote:...
But you are saying it should work to move the boot partition of the USB stick to the SSD and point it at the main debian one , albeit with a lot of ninja ?
...


No I never said any ninja skills, just trying to figure out how many drives/partitions and what hardware you have. I don't understand why you need to install and then move anything. Maybe I'm just dense, don't understand the problem, what are you trying to do?

There is a thing called bootinfoscript that a lot of people used to use. I don't have a link or even know if it is still around, but it was pretty good at collecting information...
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Re: Booting from external USB caddie +SSD

Postby AlexL » 2018-11-09 08:57

bw123 wrote:
AlexL wrote:...
But you are saying it should work to move the boot partition of the USB stick to the SSD and point it at the main debian one , albeit with a lot of ninja ?
...


No I never said any ninja skills, just trying to figure out how many drives/partitions and what hardware you have. I don't understand why you need to install and then move anything. Maybe I'm just dense, don't understand the problem, what are you trying to do?

There is a thing called bootinfoscript that a lot of people used to use. I don't have a link or even know if it is still around, but it was pretty good at collecting information...


I have:
HP Z400 workstation (that has USB2 only, and is full of storage disks sitting on the SATA ports)
HP Z400 BIOS is updated to the latest version. BIOS settings are ok, since I tested ALL of them.
1x USB Debian stick 8gb
1x Kingston SSD 120gb (OS Boot drive)
1x SATA to USB caddie.

I can boot the HP Z400 from the USB Debian stick and install Debian on the OS Boot drive that is in the USB caddie.
I cannot(!) boot from the OS Boot drive (that is in the SATA to USB caddie) on the HP Z400.
If I take the out the installed OS Drive fro the USB caddie and boot the HP Z400 from SATA it works.

I can boot from the OS Boot drive that is in the SATA to USB caddie on another computer however, which means the caddie is ok.

So now I am trying to boot on the USB Debian stick, and point it to the OS Boot drive (that is in the SATA to USB caddie). Was hoping for a guide really :)
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