[pve-devel] ZFS alternatives

[Gilberto Nunes]

Take a look at

https://twitter.com/OpenZFS/status/921042446275944448



Em dom, 25 de fev de 2018 13:36, Gandalf Corvotempesta <
gandalf.corvotempesta at gmail.com> escreveu:

> Planning to add doesn't mean that it was added
> If I remember properly, no a single line of code was written up to
> today....
>
> Il 25 feb 2018 5:24 PM, "Michael Bellerue" <michael.bellerue at gmail.com> ha
> scritto:
>
> > Online expansion was recently added to OpenZFS for RAID-Z.
> >
> > https://www.freebsdfoundation.org/blog/openzfs-raid-z-
> > online-expansion-project-announcement/
> >
> >
> > On Sun, Feb 25, 2018 at 6:47 AM, Gandalf Corvotempesta <
> > gandalf.corvotempesta at gmail.com> wrote:
> >
> > > I do that quite often.
> > > Starting with a small number of expansive disks (like SSDs or NVMEs)
> and
> > > being able to expand on the fly when needed, allows me to keep running
> > cost
> > > as low as possible
> > >
> > > With zfs this is not possible (in a simple way) thus you have to start
> > with
> > > the proper number of disks that you plan to use for some following
> years
> > >
> > > Il 25 feb 2018 1:42 PM, "Andreas Steinel" <a.steinel at gmail.com> ha
> > > scritto:
> > >
> > > > On Sat, Feb 24, 2018 at 11:16 AM, Gandalf Corvotempesta
> > > > <gandalf.corvotempesta at gmail.com> wrote:
> > > > > In example, you can add/remove single disks
> > > > > You can change from any raid level to any raid level on the fly
> with
> > no
> > > > > downtime or loss of redundancy
> > > > > You can grow /shrink a volume
> > > >
> > > > Good points, especially the shrink that, that does indeed currently
> > > > not work in ZFS. Yet I have to say, I'd never added a single disk in
> > > > an enterprise setup nor changed a RAID level on the fly. How often
> did
> > > > you do the latter? I just add at least one shelf to existing storage
> > > > boxes.
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> > >
> >
> >
> >
> > --
> > Michael Bellerue
> > michael.bellerue at gmail.com
> > 651.900.3068
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> >
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