now s11 support shadow migration, just for this purpose, AFAIK not sure nexentaStor support shadow migration
Sent from my iPad 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 _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
