[oi-dev] Filesystems that both Unix and Linux can read

[Atiq Rahman]

Thanks Bob.

Sounds like a good starting point. I will create the pool using OI and see
if I am able to access it from other OSs.

Atiq


On Sat, Aug 16, 2025 at 5:09 PM Bob Friesenhahn <
graphicsmagick.project at gmail.com> wrote:

> If you are able to create the original zfs pool and filesystem format
> supported by Solaris 10 or OpenSolaris (before feature flags), then that
> should be a useful baseline which should work for Solaris, Illumos,
> FreeBSD, and Linux. That is provided that the OpenZFS implementations are
> respectful and do not automatically upgrade the pool version, or veer
> outside the bounds of the original specification. OpenSolaris and Illumos
> introduced the original feature flags so many of the feature flags should
> work with derivative zfs implementations.
>
> There is no substitute for testing!
>
> Bob
>
>
> On Sat, Aug 16, 2025, 6:22 PM Atiq Rahman <atiqcx at gmail.com> wrote:
>
>> Hi,
>> A file system related generic question:
>>
>> I am looking to keep one of my GPT Partitions on my disk to be a file
>> system that both Illumos (Solaris) / FreeBSD and Linux can read. This will
>> be primarily to store data. I know there's vfat (fat32). Wanna know if
>> there's anything better (non-MSFTish) out there.
>>
>> Other than exfat, fat32 what else do we have?
>>
>> I started using openzfs (which is at version 2.3.3 rn) on linux. However,
>> there's probably a version difference with Illumos/OI.
>> Since, I couldn't complete the OI setup on my machine yet I don't know
>> what version of zfs we are using on OI. I am not quite sure if zfs will be
>> a viable option due to lack of compatible versions (openzfs on linux and
>> ZFS on illumos).
>>
>>
>> Best!
>>
>> Atiq
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