We're currently running an IBM FastT700 at our main site and an IBM FastT600 SAN at a hot site we have setup about 500 miles away for DR purposes. We are connected from our main site to the hot site using a DS3 and are currently running a product called Doubletake (by NSI) to replicate our data across the WAN link.
For most of our data it's working somewhat well, a full mirror taking a day or two for about 500 GB of data. We're running into issues though when it comes to our "Imaging and Scanning" data. We have an Imaging and Scanning package that stores a huge amount of image files as tiny .tif files. One of our big drives of that data contains about 340 GB of these tiny files, but because there are so many of them, over 1.1 million directories and 9.9 million files, it can take upwards of 20 days to do a full mirror.
It does not appear to be a bandwidth problem as the rest of our data pushes through quickly and we're not seeing any huge usage on our DS3, seems to just be an issue with the files themselves.
Has anyone come up with a good DR replication software/hardware solution for this type of scenario?