Yes, you can absolutely hot-add the new DS2246 into your disk stack to get to the configuration you want.  The only thing to be careful is to maintain at least a single path at all times.  If you want details, I can send you the decabling and recabling sequence for your stack.

Francis Kim | Engineer
510-644-1599 x334 | fkim@berkcom.com
 
BerkCom | www.berkcom.com
NetApp | Cisco | Supermicro | Brocade | VMware

On Apr 27, 2015, at 1:45 PM, Aaron Lewis <aaron@ivoxy.com> wrote:

Hi all,

I have a FAS2240-2 with the following configuration:

Existing Stack:
1. DS2246 disk shelf (internal)
2. DS2246 disk shelf (external)
3. DS4243 disk shelf

I need to add a new DS2246 to this system and want to maintain the single transition between 6G and 3G so it looks like this:

Existing Stack:
1. DS2246 disk shelf (internal)
2. DS2246 disk shelf (external)
3. NEW DS2246
4. DS4243 disk shelf

Is it possible to hot-add the DS2246 into the existing stack?  The Installation Guide gives the process for adding it to the bottom of the stack, but doesn't explicitly prohibit inserting the shelf and it seems like you could with Multipath HA.

Thanks,
Aaron

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