On 5/15/25 16:31, Icos wrote:
Hello,
I recently stumbled upon this issue https://www.illumos.org/issues/4896.
If I understand it properly, does it means that ZFS native encryption
under Illumos is currently quite slow?.
Besides this, I wanted to ask if we are compatible with OpenZFS
encrypted datasets, as in: can I zfs send and encrypted datasets from
Illumos to, for example, a FreeBSD host for backup?.
Till now (Ubuntu's 22.04 LTS) I did not have problem with ZFS encryption,
where I usually make the ZFS pool using SmartOS install on disks and use
that same pool for encrypted datasets from Ubuntu.
Before I used to create ZFS pools from Ubuntu, but I made sure I create
it as V=28 (last one before feature flags, this one is also readable by
Or*cle Solaris and can be used for unencrypted data transfers, USB
storage for all platforms etc.)
and then I enable feature flags, one by one, that are the same on both
OpenZFS and illumos ZFS .
But the solution with using illumos distro like SmartOS to create ZFS
pool is what I do today.
I boot Ubuntu form separate SSD with other file system (Btrfs) and point
/home folders to /export/home/user on ZFS pool.
Also recently (24.04+) Ubuntu also broke their installer on Btrfs
datasets install and their ZFS install is a mess (they make many disk
partitions..) , but that is a different topic.
Long time ago I even managed to boot Linux from illumos's GRUB but
haven't made to boot Linux from illumos loader , which would be nice to
have multiple Linux distro in their own Boot Environments.
(Like Opensolaris/OI and OmniOS use to do since forever) But that is s
separate topic, too.
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