Creating a pool

TrueNAS General
,
1

Hi Guys

I have been trying for hours to make a simple storage pool of two disks in raid 0 with a cache nvme. I am able to pick the drives in the wizard but once i click create pool i get this error:

Error: Traceback (most recent call last):
File “/usr/lib/python3/dist-packages/middlewared/job.py”, line 515, in run
await self.future
File “/usr/lib/python3/dist-packages/middlewared/job.py”, line 560, in _run_body
rv = await self.method(*args)
^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/middlewared/service/crud_service.py”, line 287, in nf
rv = await func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/middlewared/schema/processor.py”, line 48, in nf
res = await f(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/middlewared/schema/processor.py”, line 174, in nf
return await func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/middlewared/plugins/pool/pool.py", line 574, in do_create
disks, vdevs = await self.process_topology(‘pool_create’, data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/middlewared/plugins/pool/pool.py", line 268, in _process_topology
verrors.check()
File “/usr/lib/python3/dist-packages/middlewared/service_exception.py”, line 72, in check
raise self
middlewared.service_exception.ValidationErrors: [EINVAL] pool_create.topology: The following disks were not found in system: sda,nvme0n1,sdb.

Any ideas would be great as im at a loss at the moment

2

Also just noticed that my disks don’t show in the disks menu but do when trying to make a pool which seems odd

3

At least back on TN CORE only disks that are part of a pool show up in the disks menu.

4

Do you mean a stripe with no redundancy? You are aware of the risks?

Are these brand new or were they used before?

If there’s no important data on them, you might need to prepare or wipe them first.

Before doing anything destructive, what does this show:

lsblk -o NAME,MODEL,PTTYPE,TYPE,SIZE,PARTTYPENAME,PARTUUID
5

Unassigned disks will also show in that list.

6

  1. RAID0 does not exist in ZFS / TrueNAS so you could not have selected it from a menu. If you mean a “stripe” that does exist, but is not recommended.

  2. I doubt whether an NVMe cache i.e. L2ARC will do anything for you to improve performance (though without knowing your whole configuration it is difficult to be certain).

7

Welcome to the TrueNAS forums!

It would be helpful to include the following information:

  • TrueNAS SCALE version
  • Use case for this specific NAS
  • Make & model of all disks
  • Method of connection for all disks, (except for booting, USB is generally problematic)
  • General hardware overview:
    • Make & model of CPU
    • Make & model of system board
    • Amount of memory
1 Like
8

Especially this. The error suggests that the disks were there at one point, and are no longer there (as far as your system is concerned).

9

Was any solution found to this? I’m having the same issue. The NVMe drives don’t show up under disks, but are available when I try to make a pool (Mirror). But when I try to create the pool I the error, “middlewared.service_exception.ValidationErrors: [EINVAL] pool_create.topology: The following disks were not found in system:”

10

@DarkSpark has thread at Issues detecting m.2 nvme drives