On Fri, 2006-12-01 at 09:42 -0800, Schipper, Mark wrote:
>  
> Alright....I would not recommend trying this (yet), but I want to
> float this by this list for feedback.
>  
> You *may* be able to:
> - install Solaris Volume Manager (used to be called DiskSuite)
> - create some state database replicas on other disks
> - create a disk device that is larger than your existing data device
> - make sure the new device contains a slice with the same geometry as
> the existing device
> - reserve space and slices on the new device for future encapsulation
> - mirror existing device to new (larger) device with disksuite, using
> same-sized slice on destination drive
> - break your old device off and reclaim that storage
> - at that point you could revert back to a non-SVM environment and
> encapsulate the new larger device with VXVM
> - proceed with the usual VXVM and VCS build
>  
> It's a convoluted solution but it beats a 4TB restore or 2 months
> worth of rsync. Any holes in there?
>  
if it's smaller number of larger files, a copy to a new filesystem ought
to only take a day at a relatively modest 40MB/sec.

doing disksuite would spread the time out and result in smaller
downtime, but would also require at least one reboot to effect.
(maint window)


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