How to move jails from data pool to boot pool

[ddaenen1]

My boot pool consists of 2 x 240GB SSD drives in mirror of which FreeNAS consumes less than 1GB so i was wondering how i can make good use of the remaining storage space.

One thing that came to mind and seems like a good thing to do, is to move my existing plex-jail to the SSD's for performance and also security in case my Raidz2 data pool degrades for whatever reason.

I already read this THREAD but since it is quite old i thought it would be wise if this is still the best way? I am looking for a step by step guide to set up the SSD's properly for this and move the plex-jail over from my data-pool and also ensure that future jails or plugin installs automatically are done on the SSD's.

If there are any other usefull things i could do with the SSD space, also open for suggestions.

Many thanks, Dominique

 

[Redcoat]

In FreeNAS the boot drive(s) is/are exclusively used for the boot pool.
From the docs:
"1.4.2. The Operating System Device
The FreeNAS® operating system is installed to at least one device that is separate from the storage disks."

 

[Patrick M. Hausen]

Short answer: you can't. What you can do, though, is create a boot pool and an additional data pool on the same drive.
This is in no way officially supported. But given that I know quite well how most all of this works under the hood, I'm running this setup myself and I am pretty confident, it won't bite me in the future. I'll do a write up of the necessary steps in the next couple of minutes in a separate post.

You will need to export your configuration and reinstall, though, since you cannot shrink a boot pool.

Kind regard,
Patrick

 

[Redcoat]

Thank you for this, Patrick. I knew I had seen this method described "somewhere" but I could not find it this morning.

 

[ddaenen1]

Short answer: you can't. What you can do, though, is create a boot pool and an additional data pool on the same drive.
This is in no way officially supported. But given that I know quite well most all of this works under the hood I'm running this setup myself and pretty confident, it won't bite me in the future. I'll do a write up of the necessary steps in the next couple of minutes in a separate post.

You will need to export your configuration and reinstall, though, since you cannot shrink a boot pool.

Kind regard,
Patrick

Thanks for this. Seems like a good solution. I only need to figure out how i need to go about in creating the 2 pools as there will be no OS installed.

 

[Patrick M. Hausen]

Here you go, folks:

HOWTO: setup a pair of larger SSDs for boot pool and data

Moderator Warning: This HOWTO will damage the ability of your TrueNAS appliance to properly maintain itself, will break the ability to replace failed drives, and may cause problems with upgrades and updates. TrueNAS is not designed to do this sort of partitioning, and the developers are not...

www.ixsystems.com

HTH,
Patrick