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.corvotempe...@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.stei...@gmail.com> ha > scritto: > > > On Sat, Feb 24, 2018 at 11:16 AM, Gandalf Corvotempesta > > <gandalf.corvotempe...@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. > > _______________________________________________ > > pve-devel mailing list > > pve-devel@pve.proxmox.com > > https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel > > > _______________________________________________ > pve-devel mailing list > pve-devel@pve.proxmox.com > https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel > -- Michael Bellerue michael.belle...@gmail.com 651.900.3068 _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel