Hi,
If common sense precautions are followed, i don't see any reason to take downtime for this. If something does go wrong, you can always do it cold. I would take a downtime anyway, just in case. But, may not use it.
-LOhit
On 6/4/10, Paul Letta letta@jlab.org wrote:
Hello,
I've got 2 disk loops, both are dual attached. I've got 2 unused, dual port FC cards in slots 3 and 4. The cards/slots are listed as good for disks on the hardware guide. This is for a FAS3040, running 7.2.6.1.
Loop 1 is attached to port 0a and 0c. Loop 2 is attached to port 0b and 0d.
Can I do the following hot with no down time?
- Unplug loop1 from 0a and plug it into 3a
- Unplug loop1 from 0c and plug it into 4a
- Unplug loop 2 from 0b and plug it into 3b
- Unplug loop 2 from 0d and plug it into 4b
I would wait after each step and verify that the disks are visible via both adapters with a sysconfig -a before moving on to the next step.
I did open a support case with the exact text above. But all I got was a very non-technical answer:
In rare cases it can be done... but it always has potential for problems. I will say :”NO” to your question, It is not a good idea to do it “HOT”. It would be better to schedule a time when you can have a maintenance window (there will be downtime).
I can wait for an off peak time to try this. But I would rather not take the filer down to do it cold if there is a chance I can do it hot.
Thanks, Paul