Much to my dismay I did find that I had to add enough disks to exceed the 16TB limit for 32 bit aggregates. I don't have enough disk space on my test arrays to try this process out so I'll ultimately have to do it on a live system. I submitted an enhancement request to be able to convert without having the added disk space. I was told it was not in the current plan. I'm hoping it will show up in a later release.
Jeff
On Mon, Nov 28, 2011 at 3:07 PM, Steve Losen scl@virginia.edu wrote:
Hi Folks,
I recall looking at the DOT 8.1 release notes and man pages.
Check out the man page for the "aggr" command.
In particular "aggr add" has a new flag that causes conversion from 32 bit to 64 bit. I think that you must add at least one disk to the aggr, but not necessarily enough disks to exceed the 32 bit size limit.
The 8.1 system already has 64 bit aggregates. The issue I am seeing is 1 - create 64 bit volume to receive snap mirror from 7.3.5.1 system 2 - issue vfiler dr configure srcvFiler@sourceFiler to initiate the snap mirror 3 - at some point the 8.1 volume 'flips' back to 32 bit.
We are eventually planning to use data motion to non-disruptively migrate the vFilers from the 7.3.5.1 cluster to the 8.1 cluster, then upgrade the 7.3.5.1 system to 8.1
Its not clear how to end up with 64 bit volumes - I heard 8.1 was supposed to have in place 32->64 bit migration?
thanks Fletcher.
On Nov 28, 2011, at 1:35 PM, Vervloesem Wouter wrote:
I thought Fletcher was asking about the conversion of an aggregate (and the volumes within). If you want to migrate your volumes from a 32 to 64 bit aggregate you can use VSM (Volume SnapMirror) starting from ontap 8.1...
Mvg, Wouter Vervloesem
Neoria - Uptime Group Business Park King Square Veldkant 35D B-2550 Kontich
Tel: +32 (0)3 451 23 82 Mailto: wouter.vervloesem@neoria.be Web: http://www.uptimegroup.be
Op 28-nov.-2011, om 22:21 heeft Chaim Rieger het volgende geschreven:
Qsm, won't convert, but you can copy from 32 to 64
On Nov 28, 2011 12:56 PM, "Fletcher Cocquyt" fcocquyt@stanford.edu wrote: Hi, We're testing out Ontap 8.1RC2 Can someone point out/describe the procedure for converting volumes from 32bit to 64bit?
thanks Fletcher
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Steve Losen scl@virginia.edu phone: 434-924-0640
University of Virginia ITC Unix Support
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