On Fri, Dec 30, 2011 at 05:57:47AM -0800, Hung-Sheng Tsao (laoTsao) wrote: > now s11 support shadow migration, just for this purpose, AFAIK > not sure nexentaStor support shadow migration
Does not appear that it does (at least the "shadow" property is not in NexentaStor's zfs man page). Thanks for the pointer. Ray > > On Dec 30, 2011, at 2:03, Ray Van Dolson <rvandol...@esri.com> wrote: > > > On Thu, Dec 29, 2011 at 10:59:04PM -0800, Fajar A. Nugraha wrote: > >> On Fri, Dec 30, 2011 at 1:31 PM, Ray Van Dolson <rvandol...@esri.com> > >> wrote: > >>> Is there a non-disruptive way to undeduplicate everything and expunge > >>> the DDT? > >> > >> AFAIK, no > >> > >>> zfs send/recv and then back perhaps (we have the extra > >>> space)? > >> > >> That should work, but it's disruptive :D > >> > >> Others might provide better answer though. > > > > Well, slightly _less_ disruptive perhaps. We can zfs send to another > > file system on the same system, but different set of disks. We then > > disable NFS shares on the original, do a final zfs send to sync, then > > share out the "new" undeduplicated file system with the same name. > > Hopefully the window here is short enough that NFS clients are able to > > recover gracefully. > > > > We'd then wipe out the "old" zpool, recreate and do the reverse to get > > data back onto it...... > > > > Thanks, > > Ray _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
