On Thu, Jan 5, 2012 at 7:17 PM, Ivan Rodriguez <ivan...@gmail.com> wrote:
> Dear list, > > I'm about to upgrade a zpool from 10 to 29 version, I suppose that > this upgrade will improve several performance issues that are present > on 10, however > inside that pool we have several zfs filesystems all of them are > version 1 my first question is is there a problem with performance or > any other problem if you operate a zpool 29 with zfs filesystems > version 1 ? > There is no problem to use a recent pool version with an old filesystem version. > Is it better to upgrade zfs to the latest version ? > Upgrade if you want the new filesystem features (e.g. case insensitivity, user accounting & quotas). > Can we jump from zfs version 1 to 5 ? > Yes. > Is there any implications on zfs send/receive with filesystem's and > pools with different versions ? > Some filesystem versions require a corresponding pool version. E.g. fs version 4 (userquotas) requires pool version 15. So you can not send a version 4 filesystem to a pool that is version < 15. Also, you can not send a version X filesystem to a machine that does not understand that filesystem version. --matt
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