DRBD version 9.2.5, but version 9.2.7 (or higher) is required

[Gábor Hernádi]

Hello Zsolt,

LINSTOR's storage pool mixing has 2 criteria. If one is fulfilled, you have
a mixed storage pool setup:
1) Different extent sizes (this is what I mentioned in the previous email
with "mixing LVM with ZFS", since LVM by default has 4M extent size and ZFS
has 8k).
2) Mixing thin and thick storage pools.

Thin and thick storage pools have different initial DRBD-sync behavior
(full sync vs day0-based partial sync). Mixing thin and thick forces all
thin volumes to act as thick volumes (forever, even if you delete all the
thick-resources of the resource-definition and are only left with thin
resources).

So to answer your question: Mixing ZFS and ZFS_THIN is indeed considered
storage pool mixing.

-- 
Best regards,
Gabor Hernadi
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