gjournal, turn off automatic synchronization clarification

[Juan Manuel Palacios]

Hopefully I'm not out of line here, specially with me being far from a GEOM
expert… but from all that you're saying, and all that you're hoping to get
from your storage solution, I'm wondering why you're learning against ZFS,
since it pretty much gives you all you want right out of the box.

If I may ask, what are your reasons for rejecting ZFS? What constraints do
you anticipate you'll be facing, e.g. low RAM?

On Fri, Feb 5, 2021 at 3:00 PM Abner Gershon <6731955 at gmail.com> wrote:

> Man page quote:"
>
>   When *gjournal* is configured on top of gmirror(8)
> <
> https://www.freebsd.org/cgi/man.cgi?query=gmirror&sektion=8&apropos=0&manpath=FreeBSD+12.2-RELEASE+and+Ports
> >
> or graid3(8) <
> https://www.freebsd.org/cgi/man.cgi?query=graid3&sektion=8&apropos=0&manpath=FreeBSD+12.2-RELEASE+and+Ports
> >
> providers,
>      it also keeps them in a consistent state, thus automatic
> synchronization
>      on power failure or system crash may be disabled on those providers."
>
>
> I am planning to use 4 disks. 2 in a gmirror for data. 2 disks with
> mirrored partitions for the journal.
>
> Should I turn off gmirror auto sync for just the data provider, just
> the journal provider, or for the journaled device itself?
>
> Please provide example.
>
> Thank you.
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