Andy Lubel wrote: > On May 14, 2008, at 10:39 AM, Chris Siebenmann wrote: > > >> | Think what you are looking for would be a combination of a snapshot >> | and zfs send/receive, that would give you an archive that you can >> use >> | to recreate your zfs filesystems on your zpool at will at later >> time. >> >> Talking of using zfs send/recieve for backups and archives: the >> Solaris 10U4 zfs manpage contains some blood-curdling warnings about >> there being no cross-version compatability promises for the output >> of 'zfs send'. Can this be ignored in practice, or is it a real issue? >> > > It's real! You cant send and receive between versions of ZFS. >
Caveat: we had to break with very, very, very old ZFS (NV b35, circa Feb 2006) See http://www.opensolaris.org/os/community/on/flag-days/pages/2008042301 >> (Speaking as a sysadmin, I certainly hope that it is a misplaced >> warning. Even ignoring backups and archives, imagine the fun if you >> cannot use 'zfs send | zfs receive' to move a ZFS filesystem from an >> old but reliable server running a stable old Solaris to your new, just >> installed server running the latest version of Solaris.) >> > > If you use external storage array attached via FC,iscsi,SAS etc, you > can just do a 'zpool export', disconnect the storage from the old > server, attach it to the new server then run 'zpool import' - and then > do a 'zpool upgrade'. Unfortunately this doesn't help the thumpers so > much :( > Eh? I can do this with a thumper, too! You might want to watch Constantin's CSI:Munich video on YouTube where they do a ZFS pool on USB flash drives and then do the shuffle. blogs.sun.com/constantin/entry/csi_munich_how_to_save -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
