On Jun 2, 2010, at 3:54 PM, Roman Naumenko wrote: > Recently I talked to a co-worker who manages NetApp storages. We discussed > size changes for pools in zfs and aggregates in NetApp. > > And some time before I had suggested to a my buddy zfs for his new home > storage server, but he turned it down since there is no expansion available > for a pool.
Heck, let him buy a NetApp :-) > And he really wants to be able to add a drive or couple to an existing pool. > Yes, there are ways to expand storage to some extent without rebuilding it. > Like replacing disk with larger ones. Not enough for a typical home user I > would say. Why not? I do this quite often. Growing is easy, shrinking is more challenging. > And this is might be an important for corporate too. Frankly speaking I doubt > there are many administrators use it in DC environment. > > Nevertheless, NetApp appears to have such feature as I learned from my > co-worker. It works with some restrictions (you have to zero disks before > adding, and rebalance the aggregate after and still without perfect > distribution) - but Ontap is able to do aggregates expansion nevertheless. > > So, my question is: what does prevent to introduce the same for zfs at > present time? Is this because of the design of zfs, or there is simply no > demand for it in community? Its been there since 2005: zpool subcommand add. -- richard > > My understanding is that at present time there are no plans to introduce it. > > --Regards, > Roman Naumenko > ro...@naumenko.com -- Richard Elling rich...@nexenta.com +1-760-896-4422 ZFS and NexentaStor training, Rotterdam, July 13-15, 2010 http://nexenta-rotterdam.eventbrite.com/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
