[manjaro-dev] zfs support?

Jonathon Fernyhough jonathon at manjaro.org
Sat Feb 20 17:21:27 CET 2016

I don't know of any major issues with ZFS, and I haven't come across any
since I started using it under Linux several years ago. However, I do
not use it as a root file system - I only use it to add extra, specific,
storage volumes (e.g. /home, /var/lib/docker). This also avoids any
issues with ordering of modules during boot.

There do seem to be issues enabling the ZFS+SPL modules on a 15.12 live
image [1] which I think may be due to a change in kernel 4.1 since the
live image version.

When enabling ZFS for at-boot pools there are two important steps. One,
`systemctl enable zfs`. Two, `zpool set cachefile=/etc/zfs/zpool.cache
<pool>`. This is all detailed on the Arch wiki [2] which is well worth


[1] https://forum.manjaro.org/index.php?topic=31251.0
[2] https://wiki.archlinux.org/index.php/ZFS

On 20/02/16 13:33, Philip Müller wrote:
> Hi Jonathon,
> can you check this and give Kendell some info regarding zfs, as you're
> using it on your own machine on daily basis.
> greez
> Phil
> Am 20.02.2016 um 12:50 schrieb kendell clark:
>> hi all
>> I'm considering adding zfs support to our new sonar image that will be
>> released in the next couple of days. I have a couple of questions before
>> I turn the support on. The last time I tried this, about a year or so
>> ago, it had serious issues with the linux kernel's vfs layor, which
>> means it caused linux to no longer be able to mount lots of other
>> filesystems. If this has been fixed I'll gladly add in the kernel
>> modules, but I want to make sure this doesn't happen before I do. I've
>> already got the tools in place where linux can create and check zfs
>> filesystems, but It can't yet mount them without the modules. Can anyone
>> help me out, either by answering hear or pointing me to documentation I
>> can read? I've tried a few google searches, but all I've turned up are
>> forum posts, and I can't find an answer as to whether this still happens.
>> Thanks for reading
>> Kendell Clark
>> _______________________________________________
>> manjaro-dev mailing list
>> manjaro-dev at manjaro.org
>> http://lists.manjaro.org/mailman/listinfo/manjaro-dev

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