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Move ZFS pool to new machine

A

AMD_Gamer

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Jan 20, 2002
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If i build a new Open INDIANA with nappit ZFS machine how can you go about taking the RAID controller you have your current ZFS setup with and import the pool and everything to the new build? is this possible?

Like, setup Open INDIANA and nappit with on new computer, add RAID controller and attached drives, then somehow have napp-it detect that pool?:confused:
 
AMD_Gamer said:
If i build a new Open INDIANA with nappit ZFS machine how can you go about taking the RAID controller you have your current ZFS setup with and import the pool and everything to the new build? is this possible?

Like, setup Open INDIANA and nappit with on new computer, add RAID controller and attached drives, then somehow have napp-it detect that pool?:confused:
Click to expand...

Welcome to ZFS

If you had avoided a hardware Raid controller and used pure ZFS software raid as always recomended,
you can just plug any of your disks to any controller port in your new machine (like sata, sas, expander-ports)
and they are discovered and displayed as available

Then a pool-import and all is there with all ZFS settings. All relevant infos are in the pool itself


about the controller
avoid Raid controller, best are pure HBA controller without Raid functionality.
If you have had your pool on a Hardware Raid, then you always can read your pool only with this controller.
 
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Which raid controller are you using?

In most cases, you can move the raid controller and disks from one computer to another while preserving the RAID layout, and thus, preserving your ZFS layout.
 
RAID controllers can mark each drive it controls, marking it as a RAID drive even if its JBOD. HBA just pass the drive through without any special markings.

You can toss drives created on a HBA to any HBA or AHCI onboard controller and they can be imported.

With RAID controllers, it might be possible depending on what controller you have, but if it doesn't work the raid controller might feel the need to re-initialize the drives. If you move the RAID controller and keep all the drive cables connected in the same order, this also should work.
 
adi said:
With RAID controllers, it might be possible depending on what controller you have, but if it doesn't work the raid controller might feel the need to re-initialize the drives. If you move the RAID controller and keep all the drive cables connected in the same order, this also should work.
Click to expand...

Most modern raid controllers allow you to move your RAID arrays (ie: disk groups) between controllers of the same model or family and will simply alert you on boot that they have detected a foreign array that they would like to import. Most of them are smart enough not to wipe out your data, assuming you're using the same controller family.

That's why I asked which controller. Fingers crossed for LSI or Areca :)
 
tormentum said:
Which raid controller are you using?

In most cases, you can move the raid controller and disks from one computer to another while preserving the RAID layout, and thus, preserving your ZFS layout.
Click to expand...

Dell Perc 6i.

I set each drive to its own single disk array as required to use single disks with the controller.
 
AMD_Gamer said:
Dell Perc 6i.

I set each drive to its own single disk array as required to use single disks with the controller.
Click to expand...

is the perc 6/i behaviour different to the sas 6/ir ?
the 6/ir passthrough of drives, if you just do nothing in the bios.
 
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