Depends on what benefit you are looking for. If you are looking ways to improve redundancy you can still benefit from ZFS
a) ZFS snap shots will give you the ability to withstand soft/user errors. b) ZFS checksum... c) ZFS can mirror (synch or async) a 6140'lun to an other storage for increased redundancy d) You can put an other level of raid over 6140's internal raid to increase redundancy e) Use ZFS send recieve to backup data some other place. Best regards Mertol <http://www.sun.com/> http://www.sun.com/emrkt/sigs/6g_top.gif Mertol Ozyoney Storage Practice - Sales Manager Sun Microsystems, TR Istanbul TR Phone +902123352200 Mobile +905339310752 Fax +902123352222 Email [EMAIL PROTECTED] From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Justin Vassallo Sent: Wednesday, July 02, 2008 3:23 AM To: zfs-discuss@opensolaris.org Subject: [zfs-discuss] zfs on top of 6140 FC array When set up with multi-pathing to dual redundant controllers, is layering zfs on top of the 6140 of any benefit? AFAIK this array does have internal redundant paths up to the disk connection. justin
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