Re: Moving data storage pool

What issues are involved with naming the new Volume the same as the old?  Or is that an issue?  I work with FCSvr specific set ups.  Never had to expand/replace Volumes, but I know it's coming for a couple of clients.  I'll assume Volume name may not be a problem, once Devices and such are created and pointed to, and mount points are created.  But, should I watch out for anything?

Theory I'm thinking of is; Volume gets "replaced" by larger Volume all together.  Not just "expanded" upon.  Just a theoretical scenario that my be presented to me soon.  I'm all for expanding, rather than replacing, but, it's not a perfect world...

-Ben Balser

Charles Edge wrote:

On 7/13/09 9:33 PM, "Arek Dreyer" <arek@xxxxxxxxxxxxxx> wrote:

  

On Jul 13, 2009, at 7:59 AM, Martin van Diemen wrote:

    

I want to ask you what the best method would be for moving the data.
Should this be done with snfsdefrag?
      

If possible, I like to:
copy data to another known good volume,
add new storage,
recreate the volume,
copy data to the new volume.
    

I agree with Arek, although we have moved data with snfsdefrag between pools
then normalized once old LUNs/Pools have been retired to save from having
downtime.  But that's possibly the most tedious work I've ever had to do...
If you can find a time to bring the SAN down and do it manually I would do
so.  Added benefit of doing that is you truly defragment the volume.

Charles


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