This feature has been built into Data ONTAP's C-Mode OS, which is the latest and greatest from NetApp. But, keep in mind, this is a fairly new OS that works very differently than the traditional versions of Data ONTAP and is therefore unfamiliar to a lot of people.
Swapping controllers is pretty straight forward, but requires downtime. Moving forward on C-Mode, no downtime is required when you're moving controllers around.
If it's on a hypervisor, you can easily move stuff around with storage vMotion or whatever it's called on your specific hypervisor.
Just curious, what protocol are the volumes you're trying to move leveraging?
I don't know a ton about EMC, so i'm curious to know which feature they have that allows data migration without downtime while at the same time not making a full copy?
For controller swap I would estimate 1hr downtime. It is basically physical installation and cabling and couple of commands afterwards. LUN may need more attention due to serial number change. If you do not have experience with it, plan couple of hours at least.
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07.12.2012, в 4:25, "GVM666GVM" <email@example.com<mailto:firstname.lastname@example.org>> написал(а):